Filigran

Open-source threat intelligence and attack simulation software, maker of OpenCTI and OpenBAS.

Filigran develops OpenCTI for threat intelligence management and OpenBAS for breach and attack simulation, forming a threat-informed exposure management suite on an open-source foundation with commercial enterprise editions. The French company was founded in 2022.

Category: Exposure Management & CTEM
Founded: 2022
Funding: $115M raised (Series C, 2025)
Website: https://www.filigran.io

Seen at Black Hat USA 2026 (Silver Plus sponsor, booth 5730).

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