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CyOne Security

CyOne Security AG

Steinhausen, Zug, Switzerland

C4ISRCommunications & SATCOMDefense Software & AIDual-use
51-200 employeesSoftware Developer, System IntegratorSupplies Homeland Security & Police
Profile last updated: October 20, 2026

About

CyOne Security is a defense software developer based in Steinhausen, Switzerland working in c4isr, communications & satcom, defense software & ai.

CyOne Security AG is a Swiss high-tech company based in Steinhausen near Zug. It provides cyber security concepts, solutions and services, including post-quantum cryptography, IoT security, endpoint and network security, and security management. Its main customers are Swiss federal and cantonal authorities, the Swiss Armed Forces and operators of critical infrastructure, including space and defence use cases. The company is ISO 9001 certified and states that it holds security-cleared staff and has project experience up to the highest classification level. It was acquired by RUAG MRO Holding with effect from 1 July 2023. The company describes itself as an SME with around 60 employees.

Location

Steinhausen, Switzerland

Employees

51-200

Legal name

CyOne Security AG

Focus areas

Cyber SecurityCyber DefencePost-quantum cryptographyQuantum-safe encryptionIoT SecurityCritical InfrastructureSecure Systems EngineeringNetwork SecurityEndpoint Security

Languages

DEEN

Products & capabilities

Defense domains

C4ISRCommunications & SATCOMDefense Software & AI

Supply-chain role

Software DeveloperSystem Integrator

What they offer

SoftwareHardwareEngineering Services

Markets

Also sells to civilian markets

Products

one Technology Suite

Quantum-safe security platform

Security technology based on quantum-safe cryptography and a multi-level security concept, offered for authorities and critical infrastructure.

one IPVPN Field

Network security solution

Quantum-safe IPVPN solution for secure networked operations, including military deployments.

one Officebook

Secure endpoint device

Secure mobile workplace solution for authorities, including in crisis situations.

End users

Homeland Security & Police

Standards, platforms & customers

Named customers

Schweizer ArmeeSchweizer Behörden

Credentials & affiliations

Certifications

ISO 9001

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