🛡️  Defense-in-Depth Audit (inst_072)

Verifying all 5 layers of credential protection

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Layer 1: Prevention (.gitignore)

❌ Layer 1: Prevention
   Missing patterns: *.pem, *.key, credentials.json, secrets

Layer 2: Mitigation (Documentation Redaction)

✅ Layer 2: Mitigation
   Checked 1 docs, no credentials found

Layer 3: Detection (Pre-commit Hook)

✅ Layer 3: Detection
   Pre-commit hook with credential scanning active

Layer 4: Backstop (GitHub Secret Scanning)

✅ Layer 4: Backstop
   GitHub repository - secret scanning available
   Note: Verify in repo settings: Security > Code security and analysis

Layer 5: Recovery (Rotation Procedures)

❌ Layer 5: Recovery
   No credential rotation procedures documented

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❌ 2/5 layer(s) incomplete

Multiple layers are required (defense-in-depth).
If one layer fails, others should prevent catastrophic outcome.