Authentication · interview question
In a JWT, why should the secret key used for signing be kept secure?
Multiple choiceMediumchapter-17-curatedpremiumauthenticationjwt-signatures
Answer and explanation
Correct answer
C. To prevent unauthorized token generation.
Why
If the secret key is exposed, an attacker could generate valid tokens with arbitrary payloads, which could impersonate legitimate users. Keeping the key secure prevents unauthorized use.
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