NullSquare
conceptintermediateReviewed May 18, 2026

Gray-box testing

Use credentials, tokens, headers, or sessions for authenticated assessment.

What you provide

  • Login credentials.
  • Bearer tokens.
  • Custom headers.
  • Cookie sessions.
  • Notes about allowed use and host applicability.

Best for

  • Authenticated web apps.
  • API authorization testing.
  • Role boundary testing.
  • Customer portal and admin surface review.

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