A Security vs Filigran OpenAEV: Side-by-Side Comparison (2026)

A Security: Autonomous offensive security platform that finds, validates, and remediates attack paths. built by A Security. Core capabilities include Continuous 24/7 automated attack campaigns, Attack path discovery and prioritization, Exploit chaining into validated kill-chains..

Filigran OpenAEV: Open-source threat-informed exposure validation platform for attack simulation. built by Filigran. Core capabilities include Threat intelligence-driven attack scenario creation, MITRE ATT&CK-based simulation library, Agentless EDR integration (bring your own EDR)..

Both serve the Red-Team & Adversary Emulation market but differ in approach, feature depth, and target audience.

A Security differentiates with Continuous 24/7 automated attack campaigns, Attack path discovery and prioritization, Exploit chaining into validated kill-chains. Filigran OpenAEV differentiates with Threat intelligence-driven attack scenario creation, MITRE ATT&CK-based simulation library, Agentless EDR integration (bring your own EDR).

A Security is developed by A Security. Filigran OpenAEV is developed by Filigran. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

A Security integrates with ITSM. Filigran OpenAEV integrates with OpenCTI, EDR platforms. Check integration compatibility with your existing security stack before deciding.

A Security and Filigran OpenAEV serve similar Red-Team & Adversary Emulation use cases: both cover MITRE Attack, Red Team, Security Validation. Review the feature comparison above to determine which fits your requirements.