Agen Shield vs AI Shield M99: Side-by-Side Comparison (2026)

Agen Shield: Endpoint & browser enforcement layer blocking dangerous AI agent actions pre-execution. built by Agen.co. Core capabilities include On-device pre-execution blocking of out-of-policy AI agent actions, Browser paste detection and blocking of sensitive data into AI tools, Unified policy plane shared across device, browser, and gateway enforcement..

AI Shield M99: AI agent kill switch with 6-level graduated response and 7-layer termination. built by Red Specter Security. Core capabilities include 6-level graduated response system with auto-escalation timers, 5-phase kill sequence across 7 infrastructure layers, Signal Skip for critical threats bypassing lower response levels..

Both serve the Agentic AI Security market but differ in approach, feature depth, and target audience.

Agen Shield differentiates with On-device pre-execution blocking of out-of-policy AI agent actions, Browser paste detection and blocking of sensitive data into AI tools, Unified policy plane shared across device, browser, and gateway enforcement. AI Shield M99 differentiates with 6-level graduated response system with auto-escalation timers, 5-phase kill sequence across 7 infrastructure layers, Signal Skip for critical threats bypassing lower response levels.

Agen Shield is developed by Agen.co. AI Shield M99 is developed by Red Specter Security. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Agen Shield integrates with MDM (Mobile Device Management). AI Shield M99 integrates with Docker, Kubernetes, AWS IAM, AWS Lambda, GCP service accounts. Check integration compatibility with your existing security stack before deciding.

Agen Shield and AI Shield M99 serve similar Agentic AI Security use cases: both are Agentic AI Security tools, both cover Agentic AI Security, LLM Security. Review the feature comparison above to determine which fits your requirements.