Cybersecurity defence companies in Denmark

We track 3 cybersecurity companies in Denmark, most of them in Hvidovre and Frederiksberg. Among them are Arbit Cyber Defence Systems, Celare Quantum Communications and Dencrypt.

All Cybersecurity Companies in Denmark

Arbit Cyber Defence SystemsHvidovre · 11-50 employees · Cybersecurity

No listed roles

Builds the Arbit Data Diode and Trust Gateway for cross-domain network segmentation, certified to Common Criteria EAL7+ and accredited for NATO COSMIC TOP SECRET and EU TOP SECRET data transfer. Founded in Hvidovre in 2006.

Celare Quantum CommunicationsFrederiksberg · 11-50 employees · Quantum Technology

No listed roles

Danish quantum communications company building QKD systems for quantum-secure key exchange over existing fibre networks, including defence and government deployments.

DencryptHvidovre · 11-50 employees · Cybersecurity

No listed roles

Provides NATO-approved end-to-end encrypted voice, video and messaging through the Dencrypt Connex app and Server System, using proprietary Dynamic Encryption combined with AES-256. Common Criteria EAL4+ certified and used by NATO and the Danish Defence.