Crucial Exams

ISC2 Certified Secure Software Lifecycle Professional (CSSLP) Practice Question

During a security design review, you discover the new REST API issues 12-hour signed JWT bearer tokens and keeps no server-side session store. Once a token is issued it remains valid until it expires. Which weakness of this stateless session design most urgently warrants a compensating control?

  • Using JWTs prevents setting the HttpOnly flag, so tokens are always exposed to XSS.

  • TLS renegotiation may drop the Authorization header, silently escalating privileges for the connection.

  • HS256 signing makes the JWT value predictable, enabling session fixation attacks.

  • Immediate revocation of a stolen or compromised token is impossible without adding a separate blacklist or very short expiry.

ISC2 Certified Secure Software Lifecycle Professional (CSSLP)
Secure Software Architecture and Design
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