Act Free Assessment vs Filigran OpenAEV: Side-by-Side Comparison (2026)

Act Free Assessment: Free read-only cloud attack path simulation covering 5 real attack scenarios. built by Act. Core capabilities include Read-only, agentless attack simulation deployed in under 5 minutes, 5 real attack scenarios validated in the customer's live environment, Step-by-step access chain visualization from entry points to production data..

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 Breach & Attack Simulation market but differ in approach, feature depth, and target audience.

Act Free Assessment differentiates with Read-only, agentless attack simulation deployed in under 5 minutes, 5 real attack scenarios validated in the customer's live environment, Step-by-step access chain visualization from entry points to production data. Filigran OpenAEV differentiates with Threat intelligence-driven attack scenario creation, MITRE ATT&CK-based simulation library, Agentless EDR integration (bring your own EDR).

Act Free Assessment is developed by Act. Filigran OpenAEV is developed by Filigran. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Act Free Assessment and Filigran OpenAEV serve similar Breach & Attack Simulation use cases: both are Breach & Attack Simulation tools, both cover Security Validation. Key differences: Act Free Assessment is Free while Filigran OpenAEV is Commercial. Review the feature comparison above to determine which fits your requirements.