Aether AI vs Filigran OpenAEV: Side-by-Side Comparison (2026)

Aether AI: AI-driven platform that continuously simulates attacks to find vulnerabilities. built by Aether AI. Core capabilities include Continuous automated attack surface testing across internal and external vectors, AI agent-based adversarial simulation, Full-spectrum multi-vector attack coverage..

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.

Aether AI differentiates with Continuous automated attack surface testing across internal and external vectors, AI agent-based adversarial simulation, Full-spectrum multi-vector attack coverage. Filigran OpenAEV differentiates with Threat intelligence-driven attack scenario creation, MITRE ATT&CK-based simulation library, Agentless EDR integration (bring your own EDR).

Aether AI is developed by Aether AI. 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.

Aether AI and Filigran OpenAEV serve similar Breach & Attack Simulation use cases: both are Breach & Attack Simulation tools, both cover MITRE Attack, Red Team, Security Validation. Review the feature comparison above to determine which fits your requirements.