Authentication · interview question
How would you explain a potential risk of using JWT tokens without proper expiration management in an interview?
Multiple choiceHardchapter-17-curatedpremiumauthenticationsalting-and-bcrypt
Answer and explanation
Correct answer
B. Tokens can be reused indefinitely if not expired.
Why
Without proper expiration, JWT tokens can be reused indefinitely, posing a security risk if the token is compromised. Proper expiration management ensures that even if a token is leaked, it cannot be used forever.
Test yourself on Authentication
A free test with instant, explained results. No account needed.
More Authentication questions
- In the context of JWT, what is the primary purpose of the signature?
- How can a Java developer verify the signature of a JWT using HMAC SHA-256?
- How would you explain a significant consequence of using stateless JWT tokens for authentication in an interview?
- Which statement about JWT payloads is correct?
- Which statement best describes the use of CSRF tokens in web applications?
- Why is using BCrypt preferable over a fast hashing algorithm like SHA-256 for password hashing?