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cryptography and network security pdf
 
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cryptography and network security pdf
Views: 126 vidranker
network security and cryptography
 
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Views: 14 Jasvir Singh
Symmetric Key and Public Key Encryption
 
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Modern day encryption is performed in two different ways. Check out http://YouTube.com/ITFreeTraining or http://itfreetraining.com for more of our always free training videos. Using the same key or using a pair of keys called the public and private keys. This video looks at how these systems work and how they can be used together to perform encryption. Download the PDF handout http://itfreetraining.com/Handouts/Ce... Encryption Types Encryption is the process of scrambling data so it cannot be read without a decryption key. Encryption prevents data being read by a 3rd party if it is intercepted by a 3rd party. The two encryption methods that are used today are symmetric and public key encryption. Symmetric Key Symmetric key encryption uses the same key to encrypt data as decrypt data. This is generally quite fast when compared with public key encryption. In order to protect the data, the key needs to be secured. If a 3rd party was able to gain access to the key, they could decrypt any data that was encrypt with that data. For this reason, a secure channel is required to transfer the key if you need to transfer data between two points. For example, if you encrypted data on a CD and mail it to another party, the key must also be transferred to the second party so that they can decrypt the data. This is often done using e-mail or the telephone. In a lot of cases, sending the data using one method and the key using another method is enough to protect the data as an attacker would need to get both in order to decrypt the data. Public Key Encryption This method of encryption uses two keys. One key is used to encrypt data and the other key is used to decrypt data. The advantage of this is that the public key can be downloaded by anyone. Anyone with the public key can encrypt data that can only be decrypted using a private key. This means the public key does not need to be secured. The private key does need to be keep in a safe place. The advantage of using such a system is the private key is not required by the other party to perform encryption. Since the private key does not need to be transferred to the second party there is no risk of the private key being intercepted by a 3rd party. Public Key encryption is slower when compared with symmetric key so it is not always suitable for every application. The math used is complex but to put it simply it uses the modulus or remainder operator. For example, if you wanted to solve X mod 5 = 2, the possible solutions would be 2, 7, 12 and so on. The private key provides additional information which allows the problem to be solved easily. The math is more complex and uses much larger numbers than this but basically public and private key encryption rely on the modulus operator to work. Combing The Two There are two reasons you want to combine the two. The first is that often communication will be broken into two steps. Key exchange and data exchange. For key exchange, to protect the key used in data exchange it is often encrypted using public key encryption. Although slower than symmetric key encryption, this method ensures the key cannot accessed by a 3rd party while being transferred. Since the key has been transferred using a secure channel, a symmetric key can be used for data exchange. In some cases, data exchange may be done using public key encryption. If this is the case, often the data exchange will be done using a small key size to reduce the processing time. The second reason that both may be used is when a symmetric key is used and the key needs to be provided to multiple users. For example, if you are using encryption file system (EFS) this allows multiple users to access the same file, which includes recovery users. In order to make this possible, multiple copies of the same key are stored in the file and protected from being read by encrypting it with the public key of each user that requires access. References "Public-key cryptography" http://en.wikipedia.org/wiki/Public-k... "Encryption" http://en.wikipedia.org/wiki/Encryption
Views: 439241 itfreetraining
Introduction to Cryptography
 
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Summary Explanation of symmetric (single key) and asymmetric (public/private key) encryption, GnuPG (GPG) basics. Reference Materials http://www.gnupg.org/documentation/index.en.html - GnuPG Documentation http://www.thegeekstuff.com/2012/07/cryptography-basics/ ftp://ftp.pgpi.org/pub/pgp/6.5/docs/english/IntroToCrypto.pdf
How Encryption Keeps Your Data Safe
 
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Start protecting yourself on the web at https://NordVPN.com/SCISHOW or use code SCISHOW to save 75% off of a 3-year Virtual Private Network plan, plus 1 month free. Keeping our data safe and secure is necessary in today's world, but a lot of the encryption we depend on has been in development for thousands of years! Hosted by: Stefan Chin Head to https://scishowfinds.com/ for hand selected artifacts of the universe! ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Lazarus G, Sam Lutfi, D.A. Noe, الخليفي سلطان, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Patrick D. Ashmore, charles george, Kevin Bealer, Chris Peters ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://book.itep.ru/depository/crypto/Cryptography_history.pdf https://www.sans.org/reading-room/whitepapers/vpns/history-encryption-730 http://cryptogramma.com/cryptogramma/How_it_works.html https://books.google.com/books?id=Zb2RBQAAQBAJ&lpg=PA14&ots=ycTpjodUS3&pg=PA14#v=onepage&f=false https://www.britannica.com/topic/transposition-cipher https://books.google.com/books?id=o3YbiVuTg70C&lpg=PP1&pg=PT29#v=onepage&q&f=false http://penelope.uchicago.edu/Thayer/E/Roman/Texts/Plutarch/Lives/Lysander*.html https://www.coursera.org/lecture/symmetric-crypto/product-cipher-d1DgA http://www.moserware.com/2009/09/stick-figure-guide-to-advanced.html https://www.youtube.com/watch?v=aH6h52aMGT8 https://dl.acm.org/citation.cfm?id=1824151 http://www.networkdls.com/Articles/tr-601.pdf ftp://ftp.rsasecurity.com/pub/pdfs/tr701.pdf https://link.springer.com/content/pdf/10.1007%2FBFb0040277.pdf http://cacr.uwaterloo.ca/hac/about/chap6.pdf https://www.youtube.com/watch?v=MsqqpO9R5Hc https://www.youtube.com/watch?v=GSIDS_lvRv4 https://www.digicert.com/TimeTravel/math.htm
Views: 82074 SciShow
Why cryptography and information Security course
 
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www.hiteshChoudhary.com www.newdemy.com Cryptography What is cryptography? Cryptography (or cryptology; from Greek κρυπτός, "hidden, secret"; and γράφειν, graphein, "writing", or -λογία, -logia, "study", respectively) is the practice and study of techniques for secure communication in the presence of third parties (called adversaries).More generally, it is about constructing and analyzing protocols that overcome the influence of adversaries and which are related to various aspects in information security such as data confidentiality, data integrity, authentication, and non-repudiation. Modern cryptography intersects the disciplines of mathematics, computer science, and electrical engineering. Applications of cryptography include ATM cards, computer passwords, and electronic commerce. Yeah, I know that you have read the above lines many times. These are perfectly true jargons. It’s just something like our brain is made of 80% of water, technically true but it doesn’t explain things much. When I tried to study Cryptography, it was tough. When anyone wants to learn HTML, he can find a lots of resources on internet but when things come to Cryptography you need to buy a lots of books and watch a lots of youtube videos which contains an annoying background music. A lots of blog are also helpful but all are fragmented. So, I decided that it is a good time to put Cryptography course. The course will be beginners friendly and will teach you a lot of things about Information Security. This series is not meant for 2 communities of people over the internet. 1. Not bothered about Computer Security 2. True Computer professional [Advanced programmers and crypto masters] The category one does not fit into any computer security course as information security comes at very last in their priority list. Hence, most of the time they are the practice playgrounds for most of the hackers. The category two has moved into the immense knowledge of information security. And they know all the stuff or most of the present stuff about it. So, they will feel bore in this series because they are the inventor of most of the stuff. Rest of the people are going to love this cryptography online video series. The candidates for which I am looking to take this cryptography course are: 1. University Students 2. Hackers a. Fretos : The freshers b. Practos: The practical ones University Students will be interested in this course as most of the Universities have curriculum of Cryptography. The second category is of hackers but I have divided them into 2 major categories. First one is Fretos, these are fresher in information security and are trying to learn stuff. It is a good time for them to start this series because you will understand terms like MITM, RSA, MD5 and DSA. Second category is hackers who have learned most of the things practically. Personally, I am very impressed that you have gained so much of knowledge. You might have knowledge about hacking into various accounts and systems or even knowledge of creating exploits. But ask a simple question to yourself, you are a pro in hacking skills but have no idea about RSA or Block ciphers. You know to break WEP in wireless but no idea of WEP encryption or cryptic flaw in algorithm. I hope that you have got my point. So, let’s get started.
Views: 3180 Hitesh Choudhary
Cryptography and Network Security Tutorial HD
 
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Cryptography and Network Security Tutorial HD https://youtu.be/6a0s4juXKzY
What Is Cipher In Network Security?
 
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Lecture 2 some basic vocabulary of computer and network reverse circle cipher for personal security (pdf encryption algorithms sorcery. The type and january 17, 2012cryptography network security. The term cipher is sometimes used as a synonym for ciphertext, but it more properly means the method of encryption rather than result in cryptography, (or cypher) an algorithm performing or decryption some systems both codes and ciphers one system, using superencipherment to increase security. Plaintext is what you have before encryption, and ciphertext the encrypted result. Encryption schemes are based on block or stream ciphers. Origin of the only security service these systems provide is confidentiality information in cryptography, cipher text (ciphertext) data that has been encrypted. Poly alphabetic cipher in network security mybscit. Chapter 3 block ciphers and the in network security as streams are widely used to protecting privacy of digital information. Key info used in cipher known only to network securityfifth edition by william stallings. Googleusercontent search. A variety of attacks against stream cipher exist;(algebraic and 16 aug 2016 the following example explains about poly alphabetic in netwrork security cryptography network select ciphertext obtain plaintext to attack either or en decrypt 30 apr 2017 lecture notes on computer by avi kak deciphering decryption recovering from also, ciphers for such as diffie hellman rsa require large number bits. Design and analysis of stream cipher for network security. What is cipher? Definition from whatis searchsecurity. William stallings, cryptography and network security 3 e. This paper suggests a simple block cipher scheme to effectively there are several types of data encryptions which form the basis network security. Lecture 3 block ciphers and desdepartment of it, bo akademi universityunconditional security. Cryptography and encryptions,network security,caesar cipherunit 1 symmetric cipher mod modelcryptography network security chapter 3. No matter how much computer power is available, the cipher cannot be broken since ciphertext provides insufficient What cipher? Definition from whatis searchsecurity. Cryptography and network security 3 e. A cipher (pronounced sai fuhr) is any method of encrypting text (concealing its readability and meaning). In addition to the cryptographic meaning, cipher also means (1) someone insignificant, and (2) a combination of symbolic letters as in an entwined weaving for monogram ciphertext is encrypted text. What is ciphertext? Definition from whatis what a cipher? techopediawhat cipher text (ciphertext)? Webopedia definition. Techtarget definition cipher url? Q webcache. Cryptography and network security bo akademi. Isbn 0 88385 622 william stallings, cryptography and network security, principles practices, 4th edition a cipher enables private communication is often used in email, so that if an encrypted message intercepted by unauthorized user, the cannot trad
Views: 217 Aile Aile
Target IBPS SO IT-2018 | Day #1 | Network Security- Firewall
 
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Hello friends. please contact us at our facebook page or gmail. Facebook : wwwfacebook.com/pathshala.apni Gmail : [email protected] here is the pdf file of above video https://drive.google.com/open?id=0Bzl1RJw9snbLbzBuRnFZZWh1UjA
Views: 7692 Apni Pathshala
Communications and Network Security | CISSP Training Videos
 
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Communication and Network Security Domain 4 of the CISSP certification course offered by Simplilearn. This domain provides an introduction to the Communications and Network Security. CISSP Certification Training: https://www.simplilearn.com/cyber-security/cissp-certification-training?utm_campaign=Cissp-communication-networking-n6S5wR-NDyc&utm_medium=SC&utm_source=youtube #cissptrainingvideos2017 #cissp #cissptraining #cisspcertification #cissptrainingvideos #cissptutorial After completing this domain, you will be able to: ● Describe the various secure network architectures and designs ● Recognize the importance of securing network components ● List the different secure communication channels ● List the common network attacks and the countermeasures Importance of Communication and Network Security At the Minnesota plant, a vendor who had visited the plant used his laptop to complete a few transactions. He connected to the wireless after taking approvals. He used his flash drive to take back up of the transactions. The flash drive had viruses and these entered the network through his laptop, causing the local server to crash. This had far-reaching effects. Watch full video for more information. Simplilearn’s CISSP certification training is aligned to the (ISC) ² CBK 2015 and trains you in the industry’s latest best practices, which will help you ace the exam in the first attempt. The certification helps you develop the expertise in defining the architecture, in designing, building, and maintaining a secure business environment for your organization using globally approved Information Security standards. What are the course objectives? By the end of this training, you will: 1. Be able to define the architecture, and design and manage the security of your organization. 2. Acquire the relevant knowledge and skills required to clear the CISSP certification exam. 3. Earn the requisite 30 CPEs required to take up the CISSP certification exam. 4. Develop working knowledge in the 8 domains areas prescribed by the CISSP Common Book of Knowledge, 2015. Who should take this course? The CISSP certification is a globally recognized professional requirement in the IT Security domain. This certification is best-suited for: 1. Security Consultants/Managers 2. IT Directors/Managers 3. Security Auditors/Architects 4. Security Systems Engineers 5. Chief Information Security Officers 6. Network Architects For more updates on courses and tips follow us on: - Facebook : https://www.facebook.com/Simplilearn - Twitter: https://twitter.com/simplilearn Get the android app: http://bit.ly/1WlVo4u Get the iOS app: http://apple.co/1HIO5J0
Views: 102667 Simplilearn
Lecture 1: Introduction to Cryptography by Christof Paar
 
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For slides, a problem set and more on learning cryptography, visit www.crypto-textbook.com. The book chapter "Introduction" for this video is also available for free at the website (click "Sample Chapter").
What are certificates?
 
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Certificates are used to prove identity and used for creating secure communication. Check out http://itfreetraining.com for more of our always free training videos. This video looks at how a certificate works, what is a certificate and how they are used for identification and secure communication. Download the PDF handout http://itfreetraining.com/Handouts/Certificates/WhatAreCertificates.pdf What is a certificate? A certificate is an electronic document that contains data fields. When compared to a traditional paper certificate there are some similarities between an electronic certificate and a physical certificate. Digital certificates like a physical certificate are issued by an authority. For example, a university may issue a certificate to a student to show that they have completed the necessary work in order to graduate. The next question is, would you trust a physically certificate? Digital certificates work the same way. They are issued from an authority and the question becomes would you trust the authority that issued the certificate? Electronic certificates also contain other fields like who or what the certificate was issued to, how long it is valid, the public key and the digital signature. If a digital certificate is presented to a user or computer, the user or computer is able to check the certificate to ensure the person using it should be using it. Also the certificate contains a digital signature which allows the certificate to be checked to make sure it has not been modified. Digital Signature A digital signature provides a method for a certificate to be checked to ensure it has not been modified. In order to do this, a hash value is created for the certificate. To generate a hash value the certificate is put through a function to create a single value. Hash functions are designed so different certificates will not produce the same value, however the hash value cannot be used to generate the original certificate. The same principal applies to a person's fingerprints. They can be used to identify a person, however using a finger print you could not work out the features of a person like what color hair they have. When a certificate is created, the hash value for that certificate is also created. Using a function involving the private key, a digital signature is created and added to the certificate. Digital Signature Example When a certificate is used, in order to check the certificate has not been changed, the following is done: The computer generates the hash value for the certificate. Next, the digital signature is put through a function using the public key which should result in the same hash value. If both values match, the certificate has not been modified. This prevents a 3rd party taking a certificate, changing the values in the certificate and using the certificate. Trust Model Certificates work off a trust model. An example of a trust model in computers is that a computer may have a sticker on it indicating which operating systems it will run. The consumer, seeing this sticker, must trust that the manufacture would not put this sticker on the laptop unless it will run that operating system. The customer must also trust the creator of that operating system would not allow a computer manufacturer to put a sticker on a computer that would not run that operating system. Certificate Trust Model Certificates are generally deployed in a hierarchy. At the top is the root certificate authority. This can be an internal Certificate Authority or an external authority like VeriSign. When an authority like VeriSign issues a certificate, they will perform a number of checks on the individual purchasing the certificate to ensure that they are a valid business. When a certificate is used it can be checked to see which authority issued that certificate. In order for the certificate to be used, the computer must trust the authority that it was issued from. Authorities like VeriSign are trusted by default on most operating systems. Certificate Error If a certificate is presented to the computer and it is not trusted, the computer will generate an error asking if the users want to trust the certificate. It is up to the user to decide if they believe the certificate is valid. Certificate Hierarchy Certificates use a hierarchy. At the top is the root CA, below these are subordinate CA's. Any level can issue certificates to subordinate CA's or direct to users, computers or devices. If the user, computer or device trusts the root CA, then any certificate that is issued by any CA in the hierarchy will automatically be trusted and thus used by the client. References "MCTS 70-640 Configuring Windows Server 2008 Active Directory Second edition" pg 771-775 "Public key certificate" http://en.wikipedia.org/wiki/Public_key_certificate
Views: 397526 itfreetraining
INTRODUCTION TO FIREWALLS FOR NETWORK SECURITY IN HINDI
 
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find relevant notes at-https://viden.io/
Views: 60188 LearnEveryone
Network/Security Toolkit 1 (Network Commands)
 
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The details are at: http://asecuritysite.com/information/toolkit and the PDF here: https://dl.dropboxusercontent.com/u/40355863/toolkit01.pdf
Views: 910 Bill Buchanan OBE
Cryptography, Cryptographic Security Controls & Cryptography Security Techniques Explained
 
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Thanks For Watching This Video, I Hope You Must Have Liked It. If yes then please hit the subscribe button as I will be uploading a lot of IT security related training videos on this channel and if you will be my subscriber then you my friend will be the first one who will be notified about all my new videos my friend. If you have any questions for the topic that I have discussed in this video then please feel free to comment my friend and I will be happy to respond back to your queries... Please note that - all ISO 27001 documents and standards are completely owned intellectual property & copyright of ISO. So in case if by any chance you are interested to study more about the standard that I have discussed here then please go to the official ISO website in order to purchase the standards. This channel is only created to generate awareness and best practices for Information Security in general and if by any chance you wish to implement any of the standards that I have discussed here then you have to first purchase them from official ISO website. This channel is only created to help anyone who is currently studying or planning to study about ISMS Information Security Management System ISO 27001 Implementation. I want to make my contribution in the information security community.This channel is only created to generate awareness and best practices for Information Security in general. Disclaimer: Since ISO 27001 is a very vast topic and the implementation varies for all organization's so I can't ever call myself an "expert" in this field, all the knowledge and information that I am sharing here is only based upon my past experience in information security field and may not be directly applicable within your organization as such. So please use your judgement before implementing anything based upon my suggestions. I request you not to rely on anything that I say here, I do my best to be as accurate and as complete information that I can provide you “but” only the published standards are definitive. Only the published ISO standards stand above any information that I have shared in any of my videos. Thanks, Your IT Security Friend Luv Johar Website : http://aajkatech.com/ iso 27001 explained, iso 27001 awareness trainings, iso 27001 free trainings online, Iso 27001 free tutorials, ISO 27001 training material free, lead auditor free training course, lead implementer free training course, ISMS training free, information security management system training free,
Cybersecurity Interview Questions and Answers | CyberSecurity Interview Tips | Edureka
 
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** Cybersecurity Training: https://www.edureka.co/cybersecurity-certification-training ** This Edureka video on "Cybersecurity Interview Questions and Answers" consists of 50 questions from multiple cybersecurity domains which will help you in preparation of your interviews. Watch it now!! Subscribe to our channel to get video updates. Hit the subscribe button above. About Edureka Cyber Security Training Cybersecurity is the combination of processes, practices, and technologies designed to protect networks, computers, programs, data and information from attack, damage or unauthorized access. Edureka’s Cybersecurity Certification Course will help you in learning about the basic concepts of Cybersecurity along with the methodologies that must be practiced ensuring the information security of an organization. Starting from the Ground level Security Essentials, this course will lead you through Cryptography, Computer Networks & Security, Application Security, Data & Endpoint Security, idAM (Identity & Access Management), Cloud Security, Cyber-Attacks and various security practices for businesses. ------------------------------------------------ Why Learn Cyber Security? Cybersecurity is the gathering of advances that procedures and practices expected to ensure systems, PCs, projects and information from assault, harm or unapproved get to. In a processing setting, security incorporates both cybersecurity and physical security, it is imperative since cyberattackers can without much of a stretch take and obliterate the profoundly grouped data of governments, defense offices and banks for which the results are huge so it is essential to have an appropriate innovation which an avoid digital wrongdoings. --------------------------------------------------- Objectives of Edureka Cyber Security Course This course is designed to cover a holistic & a wide variety of foundational topics of the cybersecurity domain which will be helpful to lead freshers as well as IT professional having 1 to 2 years of experience, into the next level of choice such as ethical hacking/ audit & compliance / GRC/ Security Architecture and so on This course focuses mainly on the basics concepts of Cyber Security In this course, we are going to deal with Ground level security essentials cryptography, computer networks & security, application security, data & endpoint security, idAM (identity & access management), cloud security, cyber-attacks and various security practices for businesses This course will be your first step towards learning Cyber Security -------------------------------------- Who Should go for this Training? Anyone having the zeal to learn innovative technologies can take up this course. Especially, students and professionals aspiring to make a career in the Cybersecurity technology. However, Cybersecurity Certification Course is best suited for the below-mentioned profiles:- Networking Professionals Linux Administrators ----------------------------------------------- Please write back to us at [email protected] or Call us at US: +18336900808 (Toll Free) or India: +918861301699 Facebook: https://www.facebook.com/edurekaIN/ Twitter: https://twitter.com/edurekain LinkedIn: https://www.linkedin.com/company/edureka
Views: 10200 edureka!
[HINDI] What is Cryptography? | Simple Practical in Android | Cryptography क्या होता है?
 
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Link to My Blog:- http://techdjdey.blogspot.in/ Video Editor used:- HitFilm 4 Express. https://hitfilm.com/ Screen recorder used:- iSpring Free Cam 8. https://www.ispringsolutions.com/ispring-free-cam Music:- Elektronomia-Sky High. https://www.youtube.com/watch?v=TW9d8vYrVFQ PLEASE LIKE AND SHARE THIS VIDEO. SUBSCRIBE to my Channel here:- https://www.youtube.com/channel/UCFKcqq9IOdwHdgfq6GEL8gw?sub_confirmation=1 My other videos:- https://www.youtube.com/channel/UCFKcqq9IOdwHdgfq6GEL8gw/videos IGNORE THESE BELOW: 1. what is the difference between steganography and cryptography c cryptography c cryptography example c cryptography library c cryptography tutorial cryptographic protocol e cryptography f# cryptography lightweight cryptography nonlinear cryptography o cryptography r cryptography what does cryptography have to do with math what does cryptography look like today what is a certificate in cryptography what is a cipher in cryptography what is a crib in cryptography what is a generator cryptography what is a hash cryptography what is a nonce in cryptography what is a public key cryptography what is a quantum cryptography what is a seed in cryptography what is a symmetric cryptography what is advantages of cryptography what is asymmetric key cryptography what is biometric cryptography what is bitcoin cryptography what is broken cryptography what is cbc cryptography what is chaos cryptography what is chaotic cryptography what is cipher cryptography what is classical cryptography what is cloud cryptography what is confusion and diffusion in cryptography with example what is conventional cryptography what is cryptographic hash function what is cryptographic hash functions examples what is cryptography what is cryptography algorithm what is cryptography and cryptanalysis what is cryptography and encryption what is cryptography and history what is cryptography and how is it used what is cryptography and how is it used in it security what is cryptography and its importance what is cryptography and its types what is cryptography and network security what is cryptography and network security ppt what is cryptography and network security wikipedia what is cryptography and number theory what is cryptography and steganography what is cryptography and theoretical informatics what is cryptography and why is it important what is cryptography and why is it used what is cryptography basics what is cryptography computer what is cryptography define the process of encryption and decryption what is cryptography definition what is cryptography doc what is cryptography encryption what is cryptography engineering what is cryptography error what is cryptography explain what is cryptography explain in detail what is cryptography explain its types what is cryptography hashing what is cryptography how is it used in it security what is cryptography in .net what is cryptography in c# what is cryptography in computer what is cryptography in computer network what is cryptography in computer security what is cryptography in cyber security what is cryptography in hindi what is cryptography in information security what is cryptography in java what is cryptography in mathematics what is cryptography in network security what is cryptography in networking what is cryptography in operating system what is cryptography in os what is cryptography in registry what is cryptography in security what is cryptography in simple language what is cryptography in web security what is cryptography key what is cryptography key management what is cryptography law what is cryptography library what is cryptography method what is cryptography module what is cryptography network security what is cryptography next generation what is cryptography pdf what is cryptography ppt what is cryptography provide an example what is cryptography quora what is cryptography rng seed what is cryptography salary what is cryptography salt what is cryptography service what is cryptography slideshare what is cryptography software what is cryptography system what is cryptography teach ict what is cryptography technique what is cryptography technology what is cryptography tools what is cryptography tutorial point what is cryptography types what is cryptography used for what is cryptography used for today what is cryptography video what is cryptography virus what is cryptography wikipedia what is cryptography with diagram what is cryptography with example what is cryptography yahoo what is cryptography yahoo answers what is cryptography youtube what is data cryptography what is des cryptography what is difference between cryptography and encryption what is difference between cryptography and steganography what is diffusion cryptography what is digital cryptography what is discrete logarithm in cryptography what is distributed cryptography what is dna cryptography what is dsa cryptography what is ecc cryptography what is elementary cryptography
Views: 2108 Dhrubajyoti Dey
(41)Free Knowledge-ISA-Network Security(Cryptography)-Part 1-Version 1
 
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Study material of DISA made easy: This is the First part of the Module2 Chapter 5 "Network Security" – wherein Cryptography and etc. in computer are explained. This is the Post Qualification course of Institute of Chartered Accountant of India made easy so that the chartered accountants can listen the video and understand the concept and pass it easily. The intent is to share free knowledge.
Views: 79 Chandra Shekhar
[Hindi] What is Cryptography ? | Kya hai cryptography ? | Explained in simple words
 
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Hello Dosto Aaj hum baat karenge cryptography ke bare me ki ye kya hota hai aur iska itemaal kaise aur kaha hota hai. iska sambandh kisi bhi data ya message ko safely pohchane se hota hai aur uski security badhayi jati hai taaki bich me koi an-adhikarik tarike se usko access na kar paye. aasha karta hoo apko ye video pasand ayegi agar aapko ye video achhi lage to isse like kare aur apne dosto ke sath share kare aur abhi tak aapne mera channel subscribe nahi kia hai to jarur is channel ko subscribe kare. Subscribe to my channel for more videos like this and to support my efforts. Thanks and Love #TechnicalSagar LIKE | COMMENT | SHARE | SUBSCRIBE ---------------------------------------------------------------------------------- For all updates : SUBSCRIBE Us on Technical Sagar : www.youtube.com/technicalsagarindia LIKE us on Facebook https://www.facebook.com/technicalsagarindia Follow us on Twitter : http://www.twitter.com/iamasagar
Views: 79934 Technical Sagar
Network Security - Basic Concepts Definitions & Types of Attacks
 
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This is a introductory video to a domain of Information technology that is Network security. Definition of Network Security: Network security is protection of the access to files, directories and information in a computer network against hacking, misuse and unauthorized changes to the system. In this video tutorial the basics of Network security, some definitions, terms and concepts. We've also covered some types of attacks that take place when Network security is not implemented properly. If you like the video give it a thumbs up and also share it with your friends. Do subscribe to our channel as you will get notified when we upload new video tutorials. If you have any suggestions or tips for us do post them in the comments section below we'll be happy to apply them for you. Peace Download my FREE Network Security Android App - https://play.google.com/store/apps/details?id=com.intelisenze.networksecuritytutorials Simple Snippets on Facebook- https://www.facebook.com/simplesnippets/ Simple Snippets on Instagram- https://www.instagram.com/simplesnipp... Simple Snippets Google Plus Page- https://plus.google.com/+SimpleSnippets Simple Snippets email ID- [email protected] For Classroom Coaching in Mumbai for Programming & other IT/CS Subjects Checkout UpSkill Infotech - https://upskill.tech/ UpSkill is an Ed-Tech Company / Coaching Centre for Information Technology / Computer Science oriented courses and offer coacing for various Degree courses like BSc.IT, BSc.CS, BCA, MSc.IT, MSc.CS, MCA etc. Contact via email /call / FB /Whatsapp for more info email - [email protected] We also Provide Certification courses like - Android Development Web Development Java Developer Course .NET Developer Course Check us out on Social media platforms like Facebook, Instagram, Google etc Facebook page - https://www.facebook.com/upskillinfotech/ Insta page - https://www.instagram.com/upskill_infotech/ Google Maps - https://goo.gl/maps/vjNtZazLzW82
Views: 117933 Simple Snippets
DIGITAL SIGNATURES IN FEW MINUTES / WITH SPECIAL PRICES / DISCOUNT / OFFER
 
11:12
TAGS : DIGITAL SIGNATURES, digital signature, what is digital signature, digital, encryption, signature, cryptography, what is digital signature in hindi, non-repudiation, digital certificate, digital signature in hindi, private key, public key, explained, digital signature in hindi pdf, digital signature in hindi csc, what is digital signature certificate india, digital signature pdf, what is digital signatures in hindi, introduction to digital signature in hindi, pdf, public-key cryptography, how to get digital signature, ca, what is digital signatures, lectures, education, hash, digest, digital signature online, digital signature download, free digital signature, authentication, confidentiality, security services, maghnani, class 3, data structure, file, dst, digital signature your document, digital signature file, digital signature pdf file, digital signature document, english, ankit, walia, yt:stretch=16:9, digital signature algorithm, certificate, root, algorithm, authority, intermediate, advantages, disadvantages, self, signed, hierarchy, learn, for, beginners, digital signatures explained, easy, digital signature in cryptography, engineers, computer, computer_security, software, introduction, quick, basic, simple, best, how, tutorial, electronic, programming interview, function, model, message, signatures, asymmetric crypto function, key pair, security, cryptography (software genre), chirag, akhani, bei, bhavesh, rajani, sunil, amlani, naveen, software interview, ipcc, final, cpt, isca, classes, bangalore, bhagwati, institute, audit, control, systems, information, ipu, uptu, sunnyclassroom, sunny classroom, cybersecurity, cyber threats, wi-fi threats, networking+, technology, sunny, digitally signed document, hash function, public key encryption, private key encryption, sundeep, saradhi, kanthety, network security, information security, access control, how to, authorization, your, integrity, unauthorized access, document, mechanisms, decryption, gaining access, attacks, class 2, resources, permissions, sender, receiver, computer network, computer security, data security, dsa algorithm, dss approach, global key, signature components, paar, lecture, message integrity, legal help hindi, law, awareness, indian law, hindi, legalhelpinhindi, डिजिटल सिग्नेचर क्या होते हैं | what is digital signature | uses of digital signature, डिजिटल सिग्नेचर क्या होते हैं, uses of digital signature, digital signature ke fayde, electronic signature kya hai, digital sign kese banate hai, digital signature ka process, digital signature ke liye kaha apply kare, as informer, digital signature kaise banaye, digital signature for gst, digital signature process, how to apply digital signature, dsc certificate, signatr, signatar, signachar, raj ajwalia, digitally signing a document, how to create an e-signature, what is digital encryption, 128 bit encryption, ssl, technicalguruji, technical guruji, digital signature hindi, algorithm digital signature, dss, rsa in digital signature, ins, well academy -~-~~-~~~-~~-~- Please watch: "DIGITAL SIGNATURE / PHONE VERIFICATION PROCESS/ HOW COMPLETE PHONE VERIFICATION IN DIGITAL SIGNATURE" https://www.youtube.com/watch?v=3--SzO2j2Pg -~-~~-~~~-~~-~-
Views: 67 AGOS (e) Shop
SHA-1 (Secure hash Algorithm) working in English  | CSS series
 
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Take the full crash course of Cryptography and Security System for free at Last moment tuitions Full course : https://lastmomenttuitions.com/course/cryptography-and-system-security/ Sample Notes :https://goo.gl/QpZPF5 For full hand made notes of Artificial Intelligence its only 100 rs payment options is PAYTM :9762903078 once we get payment notification we will mail you the notes on your email id contact us at :[email protected] whatsapp :9762903078 apko koi bhi doubt ho toh app humko direct email ya phone kar sakte ho Cryptography and security systems Series introduction to CSS: https://goo.gl/tjrh1L security goals and mechanism:https://goo.gl/uq35hP symmetric cipher:https://goo.gl/KFxF9j Substitution cipher and its types:https://goo.gl/MKmPzk Transposition cipher:https://goo.gl/uHqD7i diffie -hellman: https://goo.gl/YrskC5 RSA Algorithm:https://goo.gl/KwzCBF Kerberos:https://goo.gl/MQPgzw IDEA algorithm : https://goo.gl/PTCqFH Dos and DDos attack: https://goo.gl/8T345G SQL injection:https://goo.gl/bcVHnw SHA-1 vs MD5 :https://goo.gl/QJBhJD chalo toh public bus pass hojao aur share karo videos ko whatsapp group apne last moment pe unn dosto ko jo apni tarah last moment pe padhte hai Aur videos CSS ke aane waale hai so Channel ko subscribe jaroor karna follow us on: https://www.instagram.com/last_moment_tuitions https://www.facebook.com/lastmomenttuition https://www.facebook.com/sumerr3
Views: 49526 Last moment tuitions
Hacking Wi-Fi in Seconds with Airgeddon & Parrot Security OS
 
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How to Crack Weak Wi-Fi Passwords Full Tutorial: http://bit.ly/ParrotAir Subscribe to Null Byte: https://goo.gl/J6wEnH In this edition of Cyber Weapons Lab, we explore hacking Wi-Fi with bad passwords. We'll show you how using bad passwords can let anyone with a simple wireless network adapter and laptop hack a network with almost no resistance. Follow Null Byte on: Twitter: https://twitter.com/nullbytewht Flipboard: http://flip.it/3.Gf_0
Views: 448067 Null Byte
CS707_Lecture01
 
57:15
CS707 Network Security
Views: 17255 vu
Digital Signature | Blockchain
 
03:37
In this video we will discuss: Digital signature Encryption and decryption Achieving Confidentiality and authentication using a digital signature #blockchain #digital signature
Views: 3299 Telusko
CompTIA Cyber Security Analyst (CSO-001) Exam Intro Exam Training Review csa casp security plus
 
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Please support my channel by subscribing (Subscribe). With your continued support I will invest in better quality content and monthly prize drawings... Please check the video description for links for discounted services if applicable. NEW COURSE. CSA BOOTCAMP https://www.udemy.com/comptia-cybersecurity-analyst-csa-test-prep-bootcamp/?couponCode=YOUTUBE2017CSA Want some practice questions to ramp up for the exam at a discounted price! https://www.udemy.com/comptia-cybersecurity-analyst-csa-cert-practice-tests/?couponCode=YOUTUBECSAE2017 The CompTIA Cybersecurity Analyst+ examination CS0-001 is designed for IT security analysts, vulnerability analysts, or threat intelligence analysts. The exam will certify that the successful candidate has the knowledge and skills required to configure and use threat detection tools, perform data analysis, and interpret the results to identify vulnerabilities, threats, and risks to an organization with the end goal of securing and protecting applications and systems within an organization.” Cloudbursting Corp EXAM LINK https://certification.comptia.org/certifications/cybersecurity-analyst Exam Objectives Identify tools and techniques to use to perform an environmental reconnaissance of a target network or security system. Collect, analyze, and interpret security data from multiple log and monitoring sources. Use network host and web application vulnerability assessment tools and interpret the results to provide effective mitigation. Understand and remediate identity management, authentication, and access control issues. Participate in a senior role within an incident response team and use forensic tools to identify the source of an attack. Understand the use of frameworks, policies, and procedures and report on security architecture with recommendations for effective compensating controls Topic Overview Incident Response Forensic Tools Incident Analysis and Recovery Secure Network Design Managing Identities Security Frameworks Cybersecurity Analysts Reconnassiance Techniques Security Appliances Logging Vulnerabilities (Managing and Remediating) Secure Software Development Job Roles Security Analyst Security Operations Center (SOC) Analyst Vulnerability Analyst Cybersecurity Specialist Threat Intelligence Analyst Security Engineer Check out my Discounted Google Cloud Platform Architect Bootcamp. https://www.udemy.com/google-cloud-certified-professional-architect-bootcamp/?couponCode=GCPCAYOUTUBE2017 Check out my Google Cloud Platform Cloud Architect Test Prep Practice Questions. Just like the exam experience..... https://www.udemy.com/google-cloud-certified-architect-practice-questions/?couponCode=GCPCAQYOUTUBE2017 GCP Cloud Architect Exam Review. A Google Certified Professional - Cloud Architect enables organizations to leverage Google Cloud technologies. Through an understanding of cloud architecture and Google technology, this individual designs, develops, and manages robust, secure, scalable, highly available, and dynamic solutions to drive business objectives. The Cloud Architect should be proficient in all aspects of solution development including implementation details, developing prototypes, and architectural best practices. The Cloud Architect should also be experienced in microservices and multi-tiered distributed applications which span multi-cloud or hybrid environments. Check out my Cloud Architect Course on Udemy. https://www.udemy.com/become-a-high-earning-cloud-solutions-architect-bootcamp/ Check out my Litecoin(LTC) course on Udemy. https://www.udemy.com/the-complete-litecoin-crypto-currency-bootcamp/#curriculum Genesis Mining https://www.genesis-mining.com/a/1023226 and you can use "9zoi8F" in the Promo Code. Coinbase Get $10.00 in free Bitcoin... https://www.coinbase.com/join/58ba2387a66a5b0184e25d49 security plus casp ips ids
Views: 14483 The Cloud Tech Guy Joe
Quantum Cryptography Explained
 
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This episode is brought to you by Squarespace: http://www.squarespace.com/physicsgirl With recent high-profile security decryption cases, encryption is more important than ever. Much of your browser usage and your smartphone data is encrypted. But what does that process actually entail? And when computers get smarter and faster due to advances in quantum physics, how will encryption keep up? http://physicsgirl.org/ ‪http://twitter.com/thephysicsgirl ‪http://facebook.com/thephysicsgirl ‪http://instagram.com/thephysicsgirl http://physicsgirl.org/ Help us translate our videos! http://www.youtube.com/timedtext_cs_panel?c=UC7DdEm33SyaTDtWYGO2CwdA&tab=2 Creator/Editor: Dianna Cowern Writer: Sophia Chen Animator: Kyle Norby Special thanks to Nathan Lysne Source: http://gva.noekeon.org/QCandSKD/QCand... http://physicsworld.com/cws/article/n... https://epic.org/crypto/export_contro... http://fas.org/irp/offdocs/eo_crypt_9... Music: APM and YouTube
Views: 263563 Physics Girl
Network Security Bible By Eric Cole PDF eBook
 
00:13
More about this video Read: http://gee.by/npir8
Views: 428 sameotheruser
INTRODUCTION TO CRYPTOGRAPHY IN HINDI
 
11:25
find relevant notes at-https://viden.io/
Views: 56051 LearnEveryone
How the Krack Hack Breaks Wi-Fi Security
 
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To support SciShow and learn more about Brilliant, go to https://brilliant.org/Scishow. After 14 years of going unnoticed, a vulnerability in Wi-Fi security was published last week. It's a serious problem, but it's already in the process of being fixed. We're conducting a survey of our viewers! If you have time, please give us feedback: https://www.surveymonkey.com/r/SciShowSurvey2017 Hosted by: Stefan Chin ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Kevin Bealer, Mark Terrio-Cameron, KatieMarie Magnone, Inerri, D.A. Noe, Charles Southerland, Fatima Iqbal, سلطان الخليفي, Nicholas Smith, Tim Curwick, Scott Satovsky Jr, Philippe von Bergen, Bella Nash, Chris Peters, Patrick D. Ashmore, Piya Shedden, Charles George ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://www.krackattacks.com/?_ga=2.191235242.1088205245.1508159331-752582413.1498767319 https://papers.mathyvanhoef.com/ccs2017.pdf https://www.youtube.com/watch?v=9M8kVYFhMDw https://www.wired.com/story/krack-wi-fi-wpa2-vulnerability/ https://www.lifewire.com/what-is-wpa2-818352 https://www.techopedia.com/definition/27188/four-way-handshake https://www.wired.com/story/krack-wi-fi-iot-security-broken/ http://smallbusiness.chron.com/s-https-stand-for-64240.html
Views: 363847 SciShow
01 - Security Fundamentals - Understanding Security Layers
 
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01 - Learn about defense in depth and the various options available for securing resources at the various layers at a high level.
Views: 17651 RG Edu
DEF CON 23 - Chris Sistrunk - NSM 101 for ICS - 101 Track
 
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Materials Available here: https://media.defcon.org/DEF%20CON%2023/DEF%20CON%2023%20presentations/DEFCON-23-Chris-Sistrunk-NSM-101-for-ICS.pdf NSM 101 for ICS Chris Sistrunk Sr. ICS Security Consultant, FireEye Is your ICS breached? Are you sure? How do you know? The current state of security in Industrial Control Systems is a widely publicized issue, but fixes to ICS security issues are long cycle, with some systems and devices that will unfortunately never have patches available. In this environment, visibility into security threats to ICS is critical, and almost all of ICS monitoring has been focused on compliance, rather than looking for indicators/evidence of compromise. The non-intrusive nature of Network Security Monitoring (NSM) is a perfect fit for ICS. This presentation will show how NSM should be part of ICS defense and response strategy, various options for implementing NSM, and some of the capabilities that NSM can bring to an ICS security program. Free tools such as Security Onion, Snort IDS, Bro IDS, NetworkMiner, and Wireshark will be used to look at the ICS environment for anomalies. It will be helpful if attendees have read these books (but they aren't required): The Cuckoo's Egg by Cliff Stoll, The Practice of Network Security Monitoring by Richard Bejtlich, and Applied Network Security Monitoring by Chris Sanders and Jason Smith. Chris Sistrunk is a Senior Consultant at Mandiant, focusing on cyber security for industrial control systems (ICS) and critical infrastructure. Prior to joining Mandiant, Chris was a Senior Engineer at Entergy (over 11 years) where he was the Subject Matter Expert (SME) for SCADA systems. He has 10 years of experience in SCADA systems with tasks such as standards development, system design, database configuration, testing, commissioning, troubleshooting, and training. He was the co-overseer of the SCADA, relay, and cyber security labs at Entergy for 6 years. Chris has been working with Adam Crain of Automatak on Project Robus, an ICS protocol fuzzing project that has found and helped fix many implementation vulnerabilities in DNP3, Modbus, and Telegyr 8979. Chris helped organize the first ICS Village, which debuted at DEF CON 22. He is a Senior Member of IEEE, Mississippi Infragard President, member of the DNP Users Group, and also is a registered PE in Louisiana. He holds a BS in Electrical Engineering and MS in Engineering and Technology Management from Louisiana Tech University. Chris also founded and organizes BSidesJackson, Mississippi's only cyber security conference. Twitter: @chrissistrunk https://www.facebook.com/chrissistrunk
Views: 3341 DEFCONConference
Mobile Self Encryption Project
 
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Get this software project at http://nevonprojects.com/mobile-self-encryption-project/
Views: 4497 Nevon Projects
CISSP Practice Questions of the Day from IT Dojo - #65 - Encryption & Multi-Factor Authentication
 
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IT Dojo offers free CISSP study questions for those who are preparing for their certification every day. In today's CISSP questions of the day from IT Dojo, Colin Weaver asks and answers questions related to Encryption Techniques and Multi-Factor Authentication. Relevant Links: - https://en.wikipedia.org/wiki/Multi-factor_authentication - (Page 20-21, & middle paragraph on page 43) http://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.800-63-2.pdf Like my T-Shirt? Here's a link to purchase it. https://amzn.to/2Kceid8 Additional Study Resources: Below is a list of resources accumulated from the internet that we feel are valuable additions to your studying. CISSP Summary Version 2.0 https://media.wix.com/ugd/dc6afa_fc8dba86e57a4f3cb9aaf66aff6f9d22.pdf McGraw-Hill Education CISSP Practice Exams https://www.mhprofessionalresources.com/sites/CISSPExams/exam.php?id=AccessControl Study Notes and Theory This is a great website that has a lot of useful resources. https://www.studynotesandtheory.com Cybrary CISSP Course by Kelly Handerhan https://www.cybrary.it/course/cissp/ Brainscape CISSP Flashcards https://www.brainscape.com/subjects/cissp Quizlet CISSP Flashcards https://quizlet.com/2519918/cissp-practice-flash-cards/ Recommended Books: CISSP (ISC)2 Certified Information Systems Professional Official Study Guide 7th Ed. http://amzn.to/2rnjGAI CISSP All-In-One Study Guide 7th Ed. http://amzn.to/2pT3nde CISSP Study Guide 3rd Edition http://amzn.to/2qsBgDw Eleventh Hour CISSP 3rd Ed. Study Guide http://amzn.to/2pT3Dcc Disclaimer: https://www.itdojo.com/question-of-the-day-disclaimer/
Views: 3059 IT Dojo
Brute Force Login Attacks Explained - Better WordPress Security | WP Learning Lab
 
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Grab Your Free 17-Point WordPress Pre-Launch PDF Checklist: http://vid.io/xqRL Download our exclusive 10-Point WP Hardening Checklist: http://bit.ly/10point-wordpress-hardening-checklist Brute Force Login Attacks Explained - Better WordPress Security | WP Learning Lab #1 Biggest Security Threat Facing WordPress this year: http://bit.ly/WordPress-Security2 What is a Brute Force Attack? A hacker gains access to your website by guessing a correct username and password combination. It is a trial and error method most often executed by automated software. What on your site is vulnerable? To carry out a Brute Force Attack hackers usually target one of two places: 1. The login page or the wp-login.php file 2. The xmlrpc.php file How can you protect your website? 1. Password protect the login page via .htaccess - https://youtu.be/oX4Zpyxsx0c 2. Change the login page URL from its default - https://youtu.be/_c4l6Vnr9aQ 3. Lock out IPs that enter too many incorrect username/password combinations - https://youtu.be/QAeGZMkdWHI 4. Disable the xmlrpc.php file via .htaccess - https://youtu.be/WiIaz-Ik3tE If you are even the least bit interested in securing your WordPress site you need to check out the #1 Biggest Security Threat Facing WordPress this year: https://wplearninglab.com/biggest-wordpress-security-measure-optin/ I hope this information helps you! If you have any questions leave a comment below or ping me @WPLearningLab on Twitter. -------------- If you want more excellent WordPress information check out our website where we post WordPress tutorials daily. http://wplearninglab.com/ Connect with us: WP Learning Lab Channel: http://www.youtube.com/subscription_center?add_user=wplearninglab Facebook: https://www.facebook.com/wplearninglab Twitter: https://twitter.com/WPLearningLab Google Plus: http://google.com/+Wplearninglab Pinterest: http://www.pinterest.com/wplearninglab/
Digital Signature Algorithm? Keep your's Safe! Explained in Hindi/Urdu
 
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Digital Signature Algorithm? Keep your's Safe! Explained in Hindi/Urdu Asslam O Alikum Dosto,Aaj ki is video mein maine aap ko Digital Signatures k bary mein batany ki koshish ki ha, aap sab doston ny bohat baar DIGITAL SIGNATURE k bary mein sona ho ga,Ab daily life mein to aap sabhi normal signatures ko use karty hain, lakin dosto yahan per Digital Signatures bilkul alag concept ha or kaafi important bhee ha. Dosto mujhe umeed hai k Digital Signature Algorithm ki yeh video aap ko pasand aaye ge.Techinfoedu Channel ko Subscribe krny k sath sath video ko Like or apny doston k sath Share krna mat bhholiya ga, Hamesha Khush rahain or Aap ka din accha guzry ALLAH HAFIZ.................. Share, Support, Subscribe!!! Thumbnail and Image Credits: Google Search Cell Phone Break the Signals? What is Jammer? Explained in [Hindi/Urdu] https://www.youtube.com/watch?v=d4NBcH7J5a0 How to earn Online| 5 Ways to EARN Online 100% Legal https://www.youtube.com/watch?v=A-f6AbhSeek 5G Technology Review - The Future is Near | Detail Explained in [Hindi/Urdu] https://www.youtube.com/watch?v=_nS14KKY8Ho How to repair a water damage Phone | Best 3 Methods in [Hindi/Urdu] https://www.youtube.com/watch?v=uC-Qm_2n3OY How to Check Laptop Generation in Windows 7, 8, 8.1, 10 Explained https://www.youtube.com/watch?v=zjmbxDLpzA8 DSLR Effects in your Android Phone Very Easily Explained in [Hindi/Urdu] https://www.youtube.com/watch?v=9Aj8h37dS8A Blasting Batteries| Note 7 Battery Explosion | Exploding Li-ion Batteries Explained https://www.youtube.com/watch?v=zOhh5ubWtYw How to Check Your SmartPhone is Original or Fake https://www.youtube.com/watch?v=DHDyn3T4xn4 why can't you use phones on planes? https://www.youtube.com/watch?v=_GSNYP_dcEQ What is Cache Memory? Detail Explained in [Hindi/Urdu] https://www.youtube.com/watch?v=_DuePPFkqCo Top 10 Secret Tips Buying Second Hand Smart Phones Tutorial https://www.youtube.com/watch?v=M-2IUCga00s INTRODUCTION TO DIGITAL SIGNATURES, what is digital signature in hindi, digital signature in cryptography, How Do Digital Signatures Work?, digital signatures explained, digital signature explained easy, pdf digital signatures explained, digital signature algorithm explained, digital signatures explained, digital signature explained easy, pdf digital signatures explained, digital signature algorithm explained, digital signature algorithm explained, digital signatures explained by, digital signature explained easy, digital signatures explained guitar, pdf digital signatures explained, digital signatures explained simply, digital signatures explained uk, digital signatures explained xkcd, digital signatures explained xda, digital signatures explained youtube, digital signature, digital signatures, signatures, digital signature online, how to get digital signature, digital signature download, public-key cryptography, free digital signature, cryptography, pdf, encryption, ssl, private key,digital certificate, digital signature pdf, explained, public key, 128 bit encryption, rsa, what is digital encryption, how to create an e-signature, digitally signing a document, what is digital signature, document management system, user directories, hash, excel, word, cosign digital signatures, cosign, arx, public private key, security,cryptography,public key Subscribe: http://goo.gl/c4oenk Youtube: http://www.youtube.com/c/Techinfoedu Twitter: http://twitter.com/TechInfoEdu8079 Facebook: http://www.facebook.com/Techinfoedu-1682194382043556 Instagram: https://www.instagram.com/TechInfoEdu Google Plus: https://plus.google.com/+Techinfoedu Pintrest: https://www.pinterest.com/techinfoedu About : Techinfoedu is a Youtube Channel,where you will find Latest Technological videos in Hindi/Urdu.and New Video is Posted Everyday :) :) :)
Views: 7809 Tech Info Edu
How to prevent cyber attacks? A webinar on enterprise cyber security
 
36:30
In this webinar you'll learn how to: 1) Adopt a proactive approach to cyber security 2) Detect vulnerabilities and keep your systems up-to-date 3) Keep your organisation secure with seamless patch management procedures
Views: 367 ManageEngine
DEF CON 22 - Kenneth White and Matthew Green - The Open Crypto Audit Project
 
51:16
Slides here: https://defcon.org/images/defcon-22/dc-22-presentations/White-Green/DEFCON-22-Kenneth-White-and-Matthew-Green-The-Open-Crypto-Audit-Project-Updated.pdf The Open Crypto Audit Project Kenneth White CO-FOUNDER, OPEN CRYPTO AUDIT PROJECT Matthew Green RESEARCH PROFESSOR, JOHNS HOPKINS UNIVERSITY Join us for the story of the origins and history of the Open Crypto Audit Project (OCAP). OCAP is a community-driven global initiative which grew out of the first comprehensive public audit and cryptanalysis of the widely used encryption software TrueCrypt®. Our charter is to provide technical assistance to free and open source software projects in the public interest. We serve primarily as a coordinator for volunteers and as a funding mechanism for technical experts in security, software engineering, and cryptography. We conduct analysis and research on FOSS and other widely software, and provide highly specialized technical assistance, analysis and research on free and open source software. This talk will present how we audited TrueCrypt, detailing both the Phase I security assessment, and the Phase II cryptanalysis. Looking forward, in light of GotoFail and HeartBleed, we will discuss future plans for our next audit projects of other open source critical infrastructure. Kenneth White is a co-founder of the CBX Group, and formerly principal scientist and senior security R&D engineer at Social & Scientific Systems. His work focuses on cloud security, machine learning, and distributed database architecture. At SSS, White led the Biomedical Informatics team that designed and runs the operations center for the largest clinical trial network in the world, with research centers in over 100 countries. Together with Matthew Green, White co-founded the TrueCrypt audit project, a community-driven initiative to conduct the first comprehensive cryptanalysis and public security audit of the widely used TrueCrypt encryption software. White holds a MEd from Harvard and is a PhD candidate in neuroscience and cognitive science, with research focusing on expert systems, real-time classification and machine learning. He is a technical reviewer for the Software Engineering Institute, and publishes and speaks frequently on computational neuroscience, signal processing, and security engineering. Twitter: @kennwhite Matthew D. Green, PhD is a professor of computer science at Johns Hopkins University. He teaches applied cryptography and builds secure systems. Green trained under Susan Hohenberger and Avi Rubin, and his research includes techniques for privacy-enhanced information storage, anonymous payment systems, and bilinear map-based cryptography. Green formerly served as a senior research staff member at AT&T Labs. Together with Kenneth White, he co-founded the TrueCrypt audit project, a community-driven initiative to conduct the first comprehensive cryptanalysis and public security audit of the widely used TrueCrypt encryption software. He blogs at Cryptography Engineering, and talks about cryptography and privacy. Twitter: @matthew_d_green Web: https://opencryptoaudit.org/people
Views: 3404 DEFCONConference

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