Cybertech firm Filigran hailing from Paris has accomplished a Sequence C funding spherical price €49 million, bringing its complete fundraising to over €85 million in simply three years since its founding.
This fundraising was led by Eurazeo’s Development group, a part of the main European funding group Eurazeo, with the help of Deutsche Telekom (T.Capital) and its long-standing buyers Accel and Perception Companions.
“This Sequence C spherical is a crucial milestone in Filigran’s journey. We’re extraordinarily happy with the collective dedication that introduced us right here, with one clear mission: enabling organisations all over the place to be extra proactive towards threats and to leverage intelligence at each degree of their safety technique,” mentioned Samuel Hassine, CEO of Filigran. “It displays everybody’s dedication to reaching our mission, which is to make menace intelligence accessible and actionable for all organisations worldwide.”
Filigran’s Sequence C positions it among the many largest European cybersecurity fundraises of 2025. Inside the sector, solely Blackwall’s €45 million Sequence B approaches an identical scale, whereas most different cyber-focused startups similar to Dedge Safety and WiseBee secured early-stage rounds within the low-million-euro vary.
Alongside these firm fundraises, capital can be flowing into specialised funding automobiles similar to TIN Capital’s €15 million top-up and Expeditions Fund II’s €100 million shut, indicating broader investor confidence within the European cyber ecosystem.
Towards this backdrop, Filigran’s open-source-driven strategy – centred on OpenCTI, OpenBAS and the forthcoming OpenGRC module – illustrates a extra mature part of development in a discipline in any other case dominated by early-stage, proprietary-tool startups.
“We’re thrilled to again Filigran because it allows main organizations worldwide to take a proactive strategy to cyber protection. With AI accelerating each the dimensions and class of cyberattacks, corporations want options that may flip huge quantities of menace intelligence into actionable insights to stop future incidents.
“Filigran’s best-in-class platform delivers precisely that. We’re additionally excited concerning the highly effective AI capabilities on the horizon, which is able to additional solidify Filigran’s place because the category-defining platform for menace intelligence,” mentioned Raluca Ragab, Accomplice and Alexandra Pederzani, Director at Eurazeo Development.
Based in 2022 by Samuel Hassine and Julien Richard, Filigran seeks to revolutionize proactive cyber menace anticipation with its XTM suite. The XTM suite integrates platforms similar to OpenCTI, which helps construction and operationalise international menace intelligence, and OpenBAS, an adversary emulation and safety validation resolution that leverages real-time menace information to establish safety gaps.
Filigran says they stand out within the CyberTech ecosystem for its dedication to revolutionising menace intelligence and its use inside cybersecurity groups. Its mission is to develop modern open supply options particularly designed to satisfy the advanced challenges organisations face in anticipating cyber dangers and threats.
In keeping with the corporate, their options are utilized by greater than 6,000 private and non-private organisations worldwide, together with Rivian, and Bouygues Telecom. Filigran’s customers additionally embody public sector organisations such because the European Fee, the FBI, quite a few US and Australian federal businesses, and a lot of European establishments.
“The progress Sam, Julien, and the Filigran group have made since we led their Sequence A final yr has been outstanding,” mentioned Andrei Brasoveanu, Accomplice at Accel. “As we speak, greater than 6,000 private and non-private sector organisations all over the world depend on Filigran’s OpenCTI platform to proactively defend towards cyber threats. Coupled with a passionate and fast-growing open-source neighborhood, Filigran is clearly redefining and democratising entry to menace administration.”
This new financing goals to help and speed up Filigran’s development and growth into new areas such because the Pacific and the Center East, with deliberate expansions into Japan and Saudi Arabia.
Filigran will even strengthen its presence, increasing US and European markets, with plans to onboard new expertise from France and Germany to help its development and strengthen its collaboration with the open-source neighborhood, which has doubled in two years.
This new spherical additionally helps the event of OpenGRC, a 3rd module for Filigran’s platform, that can complement the eXtended Menace Administration suite and allow organisations to prioritise their cyber dangers and take the simplest actions first. The corporate will speed up its integration of AI with the creation of an AI Agent platform, XTM One, and strengthen its R&D groups at OpenCTI and OpenBAS to drive the continued improvement of those long-standing options.
“Filigran’s growth throughout Europe, mixed with Deutsche Telekom’s buyer base, creates a singular alternative: delivering superior cyber protection to organisations of all sizes. Collectively, we’re setting a brand new benchmark for actionable menace intelligence and resilience,” mentioned Thomas Tschersich, CSO at Deutsche Telekom AG.
EU-Startups has adopted Filigran’s trajectory intently over the previous two years. We first highlighted the corporate in early 2024 once they secured a €15 million Sequence A spherical to broaden its open-source menace intelligence platform. Later that yr, Filigran was featured among the many “10 European startups driving cybersecurity innovation”, recognising its rising function within the continent’s cyber ecosystem.
Most not too long ago, in mid-2025, EU-Startups once more spotlighted the agency in its “Guardians of the grid” checklist of cybersecurity startups to look at, underlining Filigran’s continued prominence and constant visibility inside Europe’s digital safety panorama.
