Clavister Security AB

About Clavister

Clavister is a Swedish cybersecurity company specializing in protecting critical systems and operations where security, reliability, and resilience are essential. With decades of experience in network security, we help organizations across defence, government, telecom, and critical infrastructure sectors safeguard their digital environments against evolving cyber threats.

Defence Solutions

For the defence sector, Clavister delivers cyber protection solutions designed for military platforms, tactical networks, and mission-critical communications. Our portfolio includes embedded cybersecurity for vehicles and weapon systems, secure information exchange between networks of different classifications, and advanced protection & routing for tactical communication infrastructures. Developed in Europe and deployed in demanding operational environments, our solutions help armed forces strengthen cyber resilience across land, sea, air, and cyber domains.