Authentication · interview question
How does appending a unique random 'Salt' to passwords enhance security?
Multiple choiceMediumchapter-17-curatedpremiumauthenticationsalting-and-bcrypt
Answer and explanation
Correct answer
B. It ensures that even the same passwords produce different hashes.
Why
Salting a password involves appending a unique, random string to each password before hashing. This ensures that even identical passwords will generate different hashes, rendering pre-computed rainbow tables ineffective.
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