HTTPS and TLS Overview
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HTTPS and TLS Overview

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

  • Server verifies Client via Certificate issued by a Certificate Authority (CA) (correct)
  • Domain Validation (DV) is optional in obtaining a TLS Certificate
  • Server and Client both use symmetric encryption throughout the connection
  • TLS Certificates can be forged easily

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

  • Paid Certificates last for a maximum of 90 days
  • Free Certificates require detailed company verification
  • The domain ownership requirement is only for the paid Certificates (correct)
  • Encryption level differs between free and paid Certificates

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

  • Extended Validation (EV)
  • Person/Company Validation
  • Organization Validation (OV)
  • Domain Validation (DV) (correct)

    • 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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