Exein, an embedded cybersecurity company focused on protecting connected devices at the firmware level, has raised €100m in new funding.
The round was led by Blue Cloud Ventures and participation from HV Capital, Intrepid Growth Partners, Geodesic, and J.P. Morgan. The latest investment brings Exein’s total funding raised in 2025 to €170m, following its €70m Series C round in July.
Founded to address the growing security risks associated with connected and embedded devices, Exein develops AI-powered runtime security that is embedded directly into device firmware. Its platform is designed to detect, contain and respond to cyber threats in real time, even in environments where devices lack continuous connectivity. This approach is increasingly being adopted by manufacturers seeking alternatives to traditional perimeter-based security models.
The new capital will be used to accelerate Exein’s global expansion and to meet rising demand for protection against cyberattacks targeting physical infrastructure. The company said the funding will also support the development of a next generation of embedded runtime security solutions, including AI-driven protection for AI infrastructure and large language models. The first wave of these new capabilities is expected to be unveiled at RSAC 2026.
In addition to product development, the investment will fund a multi-deal M&A programme planned for 2026, with a focus on opportunities in Europe and the US. Exein also plans to expand its international presence further, particularly across the US and APAC markets, as it builds on a period of rapid commercial growth.
The funding comes amid what the company described as a year of hyper-growth. Exein reported a five-times year-on-year increase in revenue, an expanding customer base across critical infrastructure and advanced manufacturing, and new partnerships with manufacturers and chipset providers including Kontron and MediaTek. These developments reflect increasing demand for device-level cybersecurity as cyberattacks move beyond digital systems and into the physical world.
Exein positions its technology as an enabler of both cybersecurity and regulatory compliance, supporting manufacturers in meeting requirements such as RED 3.3, the forthcoming EU Cyber Resilience Act, and the US Cyber Trust Mark. With connected devices representing one of the fastest-growing attack surfaces globally, the company says its platform provides deeper integrity and provenance checks across supply chains.
Exein founder & CEO Gianni Cuozzo said, “This round demonstrates just how rapidly Exein is growing. In just one year, we’ve become a truly global company, expanding across the US and Asia-Pacific, and emerged as the world’s largest embedded runtime security provider by devices protected. This new funding allows us to accelerate even faster in 2026 and to support our M&A strategy as we scale into new markets. It will also enable us to introduce the next generation of runtime security technology, probably the most significant advance in our field in almost a decade. We’ll unveil it at RSAC in Q1, as we continue building the digital immune system that will protect the connected world for years to come.”
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