Filigran, a Paris, France-based cybersecurity startup specializing in extended threat management, has secured $58 million in Series C funding.
Investors
The round was supported by Eurazeo, Insight Partners, Accel, and Deutsche Telekom (T.Capital).
Filigran Use of Funds
The company will use the funding to accelerate product development, expand into new global markets such as Saudi Arabia, Japan, the U.S., and the DACH region, and strengthen R&D and community initiatives to empower cybersecurity practitioners worldwide.
About Filigran
Filigran is a company that provides open-source cybersecurity solutions covering threat intelligence management, breach and attack simulation, and cyber risk management. Founded in 2022, Filigran’s suite of products, including OpenCTI, OpenTAXII, and OpenGRC, powered by Agentic AI, helps organizations turn intelligence into action. Headquartered in Paris, France, Filigran has a global community of over 6,000 members, supported through meetups, ambassador programs, and open collaboration.
Funding Details
Company: Filigran SAS
Raised: $58.0M
Round: Series C
Funding Date: October 2025
Investors: Eurazeo, Insight Partners, Accel, Deutsche Telekom
Company Website: https://filigran.io/
Software Category: Cybersecurity / Threat Intelligence / AI Security Platform
Source: https://filigran.io/fueling-our-next-chapter-filigran-raises-58m-in-series-c/#h-strengthening-the-heart-of-our-community