{"id":"rhel9-defense-in-depth-security-framework","text":"RHEL 9 enforces defense-in-depth through four integrated security layers: hardened defaults (SELinux enforcing, firewalld, crypto policies), granular cryptographic policy lifecycle management, layered SELinux MAC enforcement with type-based policy, and a unified audit subsystem with original-identity tracking across privilege escalation.","truth_value":"IN","source":"","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"rhel9-defense-in-depth-security-framework","truth_value":"IN","reason":"premise"}]}}