HTTPS and TLS Overview
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HTTPS and TLS Overview

Learn about how HTTPS prevents packet sniffing, Man-in-the-Middle attacks, session hijacking, and the importance of Transport Layer Security (TLS) over Secure Socket Layer (SSL). Understand the key points of client-server communication, certificate verification, and the role of Certificate Authorities (CAs).

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@CohesiveThorium

Questions and Answers

What is one of the key points in how HTTPS works?

Server verifies Client via Certificate issued by a Certificate Authority (CA)

What is the main difference between obtaining a free and paid TLS Certificate?

The domain ownership requirement is only for the paid Certificates

Which type of domain validation is done for obtaining a free TLS Certificate?

Domain Validation (DV)

Why are TLS Certificates recommended for E-Commerce sites, particularly those collecting credit card information?

<p>To provide a secure connection and warranty coverage</p> Signup and view all the answers

What does the text mention about Let's Encrypt and Comodo SSL?

<p>Let's Encrypt only offers Domain Validation (DV) Certificates</p> Signup and view all the answers

Why are free TLS Certificates particularly suitable for small, personal sites with no e-commerce functionalities?

<p>They are good for sites that do not involve e-commerce functionalities</p> Signup and view all the answers

Which Argon2 variant is recommended by OWASP due to its hybrid approach?

<p>Argon2id</p> Signup and view all the answers

What is a key characteristic of Argon2d in terms of resistance?

<p>Resistant to GPUs</p> Signup and view all the answers

What is a common misconception about storing credit card numbers according to the security standards?

<p>It is essential to use a properly audited third-party service for credit card storage</p> Signup and view all the answers

In the context of web security, what is the recommended option if the complexity seems overwhelming?

<p>Use a web security library</p> Signup and view all the answers

What is a unique characteristic of Argon2 in terms of usability?

<p>Demands careful fine-tuning for optimal performance</p> Signup and view all the answers

What is a common method for recovering passwords in web applications?

<p>Using a set of secret questions and answers</p> Signup and view all the answers

What is the main issue with storing secret question answers in plain text?

<p>Answers can be found through social media</p> Signup and view all the answers

What security measure can help prevent a brute-force attack on passwords?

<p>Limiting login attempts</p> Signup and view all the answers

How does encrypting secret question answers help improve security?

<p>It prevents hackers from using social media to find the answers</p> Signup and view all the answers

What is the purpose of using a complex password policy?

<p>To make passwords more difficult to guess</p> Signup and view all the answers

What is a dictionary attack in the context of password security?

<p>An attack that uses a list of common passwords to guess a user's password</p> Signup and view all the answers

What is a potential drawback of using an Authentication Service?

<p>It may lead to vendor lock-in</p> Signup and view all the answers

What is a potential advantage of building your own authentication system?

<p>No vendor lock-in issues</p> Signup and view all the answers

What is a downside of using a library like Passport.js or Lucia for authentication?

<p>They are not well-maintained</p> Signup and view all the answers

Why might an enterprise app or e-commerce site prefer using an Authentication Service?

<p>They are more secure</p> Signup and view all the answers

What is a potential issue with building your own authentication system for a small, non-commerce site?

<p>It may not be secure enough</p> Signup and view all the answers

What is a reason why Lucia is popular for use with Next.js?

<p>It works well with Next.js</p> Signup and view all the answers

What is a common method used by hackers to crack passwords?

<p>Rainbow table attack</p> Signup and view all the answers

What is the purpose of a salt in password hashing?

<p>To produce different hashes for the same passwords</p> Signup and view all the answers

What is a disadvantage of using a salt in password hashing?

<p>An attacker could generate a rainbow table for each user once they obtain the salt</p> Signup and view all the answers

What is a complex password policy?

<p>A policy that prevents users from choosing common words for passwords</p> Signup and view all the answers

What is two-factor authentication?

<p>A method that requires users to enter a password and a verification code sent to their phone or email</p> Signup and view all the answers

How does a hacker crack a password using a rainbow table?

<p>By comparing the hashed values of common passwords to a user's hashed password</p> Signup and view all the answers

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