Exein, a cybersecurity company specialising in embedded IoT protection, has secured €70m in a Series C funding round.
The round was led by Balderton, with participation from Supernova and Lakestar. Existing investors 33N, United Ventures, and Partech also contributed, signalling continued confidence in the company’s mission and progress.
Exein provides real-time cybersecurity solutions for Internet of Things (IoT) and embedded systems, aiming to act as a digital immune system by protecting devices at the firmware level. The platform is already in use by leading chipset and device manufacturers such as MediaTek, Supermicro, Kontron, SECO, and AAEON, with its technology protecting more than 1bn devices worldwide.
The fresh capital will fuel Exein’s global expansion, particularly in high-growth markets such as the US, Japan, Taiwan, and South Korea. It will also accelerate the development of its next-generation security tools, including runtime protection for AI infrastructure and large language models (LLMs).
The company is also positioning itself as a key compliance partner, helping manufacturers adhere to global cybersecurity frameworks such as the EU’s forthcoming Cyber Resilience Act, RED 3.3, and the US Cyber Trust Mark.
Exein has experienced rapid momentum, with 450% year-on-year growth following its Series B in July 2024. The company also plans to pursue strategic acquisitions to strengthen its cybersecurity capabilities and broaden its market reach.
Exein CEO Gianni Cuozzo said, “Exein’s extraordinary growth is a testament to the urgent demand to secure devices which are ubiquitous in our everyday lives. Embedded security at the device level is fundamental, and we are proud to support manufacturers in providing the highest levels of security, offering them confidence in knowing they are compliant with the latest security legislation. I’m extremely proud to be fortifying the foundations of European tech innovation, and to have the trust of our partners and investors as we expand globally and continue our mission of building the digital immune system for the connected world.”
Balderton principal Elena Moneta said, “We’re living in an era where everything — from rail networks to industrial machinery — is connected, and therefore exposed. Exein tackles this threat where it begins: on the device itself, embedding real-time security on the edge — continuously monitoring, learning, and responding. There is no better team to take on this challenge.”
Exein previously raised a Series B round in July 2024, though the specific amount from that round was not disclosed.
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