Defensive Security Architectures for Large Language Model Systems: Prompt Injection Defense, Multi-Agent Governance, and Attack-to-Sensor Transformation

Defensive Publication - Prior Art Established January 2026 Comprehensive defensive architectures for securing LLM deployments against adversarial attacks. Key Innovations: Linguistic Integrity Enforcement: Multi-layer prompt injection defense Steganographic Defense Layers: Hidden verification channels Dynamic Attestation Protocol (DAP): Continuous trust verification L0/L1/L2 Governance Model: Hierarchical security boundaries Tiered Verification Systems: Progressive trust escalation CRYSTALS-Dilithium Integration: Post-quantum cryptographic protection Author: Thomas Perry Jr., Mantis Security