Filigran OpenAEV vs FourCore ATTACK: side-by-side comparison (2026)

Filigran OpenAEV: Open-source threat-informed exposure validation platform for attack simulation. Built by Filigran.

FourCore ATTACK: FourCore ATTACK is an adversary emulation platform to manage cyber risk with evidence. Built by FourCore.

The table above shows where their features, integrations, deployment and company size fit differ.

Filigran OpenAEV is made by Filigran. FourCore ATTACK is made by FourCore. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Often, yes. Filigran OpenAEV and FourCore ATTACK are both Breach & Attack Simulation products, and both cover Security Validation, MITRE ATT&CK, Red Team. Use the table above to see where features, deployment and company size fit differ.