Authentication · interview question
Why does adding a 'salt' to a password before hashing help in practice?
Multiple choiceMediumchapter-17-curatedpremiumauthenticationplaintext-passwords
Answer and explanation
Correct answer
A. It ensures that identical passwords have unique hashes.
Why
Salting ensures that even if two users have the same password, their salted hashes will be different, thus protecting against rainbow table attacks.
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