Common exposure paths
Credentials and private identifiers appear in Authorization headers, environment variables, database URLs, request bodies, stack traces, query strings, screenshots, and copied command output.
Preserve useful debugging context
Keep exception types, package versions, status codes, request methods, relevant stack frames, and synthetic payload structure. Replace the values rather than deleting every clue.
Rotate what was exposed
Redacting future copies does not secure a real token or key that has already left an approved location. Revoke or rotate it and check where else it may have been copied.
Understand tool boundaries
A JWT decoder does not verify signatures, and a pattern scanner cannot recognize every custom secret. Use official server libraries and organizational incident processes for trust and response decisions.