France’s Filigran nets €49 million to scale cyber defence solutions used by the FBI and European Commission

French cybersecurity firm Filigran has secured €49 million in Series C funding, marking a significant investment in Europe's cyber defense capabilities. The funding round, led by Eurazeo's Growth team with support from Deutsche Telekom (T.Capital) and existing investors Accel and Insight Partners, brings Filigran's total fundraising to over €85 million in just three years. This investment highlights growing confidence in European cybersecurity solutions and the increasing need for robust defense against cyber threats. Filigran's platform, used by organizations including the European Commission and the FBI, focuses on proactive cyber threat anticipation. Their XTM suite integrates open-source platforms like OpenCTI and OpenBAS to structure threat intelligence and identify security gaps. Filigran's solutions are currently utilized by over 6,000 public and private organizations globally, demonstrating a strong market presence and the effectiveness of their open-source driven approach. This funding round positions Filigran among the largest cybersecurity fundraises in Europe in 2025, signaling a maturing market. With AI accelerating the sophistication of cyberattacks, Filigran aims to provide actionable insights to prevent future incidents. The investment underscores the growing importance of digital sovereignty and the need for European alternatives to address the increasing global cyber threats.