Cybersecurity defence companies in Switzerland

We track 5 cybersecurity companies in Switzerland, most of them in Geneva and Lausanne. 1 of them is hiring now, with 4 open roles. Among them are CYSEC SA, Dtangle and ID Quantique.

All Cybersecurity Companies in Switzerland

CYSEC SA logo
CYSEC SALausanne · 11-50 employees · Cybersecurity
4 roles

Swiss cybersecurity company securing cloud, on-premises and orbital systems with confidential computing and encrypted satellite-communications products.

ARCA SATLINK
ARCA SATLINK
End-to-end satellite communication security product implementing CCSDS Space Data Link Security at the frame level for telemetry, telecommand and payload data. It supports encryption, authentication, OTAR key management, replay protection, link monitoring, CCSDS TM/TC/AOS/USLP compatibility and FPGA acceleration up to 10 Gbps.
ARCA SATCOM
ARCA SATCOM
Secure satellite-connectivity product for ground and space segment communications, designed for line-rate encryption, intelligent quality of service, packet-loss resilience and multi-orbit links across LEO, MEO, GEO, direct-to-device and 5G environments. Defence use cases include optimizing existing encryption solutions without changing current infrastructure.
ARCA Trusted OS
ARCA Trusted OS
Linux-based hardened operating system for confidential virtual machines on premises and in hyperscalers. It uses AMD SEV-SNP and Intel TDX trusted execution environments, self-hosted ARCA Verification Manager, full-disk encryption, HSM/Vault key support, trusted boot and continuous monitoring.
DtangleGeneva · 1-10 employees · AI & Defence Software
No listed roles

CERN spin-off developing a no-code visual analytics platform that transforms complex datasets into interactive knowledge graphs for intelligence and investigation. Built on CERN's Collaboration Spotting X technology, finalist in armasuisse's 2025 Cyber Startup Challenge.

ID QuantiqueGeneva · 51-200 employees · Quantum Technology
No listed roles

Geneva-based quantum technology pioneer producing quantum key distribution systems, quantum random number generators, and single-photon detection devices. Founded in 2001 as a University of Geneva spin-off, now part of IonQ, with 150+ employees including 70 quantum physicists and engineers.

Swissbit logo
SwissbitBronschhofen · 201-500 employees · Cybersecurity
No listed roles

European manufacturer of industrial storage and hardware security solutions for mission-critical defence, aerospace, industrial and critical-infrastructure systems.

Defense & Aerospace rugged storage
Defense & Aerospace rugged storage
Mission-critical storage portfolio for avionics, UAVs, tactical radios and satellite systems, designed for harsh environments, secure data handling, consistent performance and long-term supply. Swissbit highlights extended temperature ranges, shock and vibration resistance, ECC, end-to-end data-path protection and transparent European manufacturing.
PCIe M.2 SSD modules
PCIe M.2 SSD modules
Industrial NVMe SSD families including N7000, A2000 and N3000 modules with PCIe interfaces, extended temperature options, AES-256 encryption, TCG Opal, secure boot, crypto erase and power-fail protection on selected series.
iShield Key 2
iShield Key 2
Hardware authentication key for digital and physical access. The product supports phishing-resistant authentication for Zero Trust and MFA deployments, with MIFARE and FIPS 140-3 Level 3 variants for demanding applications.
Modular cybersecurity storage products
Modular cybersecurity storage products
USB, microSD and SD security products that add hardware-based cyber protection to data and devices. They protect sensitive files, video, licenses, OS images, firmware updates, logs and audit trails through encryption, access protection, digital signatures or secure elements.
Tune Insight logo
Tune InsightLausanne · 11-50 employees · Cybersecurity
No listed roles

Secure collaborative analytics platform enabling privacy-preserving computation on sensitive defence and intelligence data. EPFL spinoff.