Prompt Injection Test Cases: The Twelve Patterns Your Red Team Has To Run
Prompt injection test cases for production AI deployments cluster into twelve patterns the red team has to exercise: instruction-override, role-reversal, encoded payloads, indirect injection through retrieved content, tool-output injection, multi-turn persuasion, authority impersonation, output-formatting hijack, translation pivot, long-context dilution, system-prompt extraction, and authorization-bypass. This piece walks through each pattern, the payload structure, the expected inspection-layer verdict, and the audit record the test should produce.