Phase 9 Sprint 9.1 - Full System Red Team Validation

Threat Model

• Asset: production promotion decision for security-critical telemetry and federation paths.
• Adversary: internal or external actor attempting to bypass one or more enforced controls before release.
• Trust boundary: automated red-team simulation suite in CI.

Attack Vectors Considered

• Replay attacks.
• Signature forgery.
• MITM certificate fingerprint mismatch.
• Cross-tenant access attempts.
• Tamper-evident log mutation.
• Queue poisoning via malformed telemetry.
• Rate limit exhaustion.

Mitigations Implemented

• Added Phase 9.1 red-team attack simulation test suite with explicit negative tests for each vector.
• Integrated red-team suite into security regression CI workflow to fail promotion candidates automatically.
• Preserved fail-closed behavior for unsigned telemetry, mTLS identity validation, tenant mapping, and queue safety controls.

Residual Risk

• Simulations currently target defined high-priority vectors and do not yet cover full chaos scenarios (network partitions, dependency compromise, host-level intrusion).

Future Improvements

• Add adversarial network fault simulation in ephemeral integration environment.
• Add continuous mutation testing against validation and auth guards.
• Add scheduled red-team workflow runs independent of merge events.