CYSEC ARCA Trusted OS for Clouds vs Fortanix Confidential Computing: Side-by-Side Comparison (2026)

CYSEC ARCA Trusted OS for Clouds: Hardened OS providing trusted execution environment for VMs in clouds. built by CYSEC. Core capabilities include Trusted Execution Environment (TEE) for containers in virtualized cloud infrastructure, Persistent storage encryption within virtual machines, Isolation of encryption keys from cloud service provider (CSP) administrators..

Fortanix Confidential Computing: Platform for encrypting data in use via confidential computing TEEs. built by Fortanix. Core capabilities include Runtime encryption for data in use, Hardware-based trusted execution environments (TEEs), Intel SGX and AMD SEV support..

Both serve the Confidential Computing market but differ in approach, feature depth, and target audience.

CYSEC ARCA Trusted OS for Clouds differentiates with Trusted Execution Environment (TEE) for containers in virtualized cloud infrastructure, Persistent storage encryption within virtual machines, Isolation of encryption keys from cloud service provider (CSP) administrators. Fortanix Confidential Computing differentiates with Runtime encryption for data in use, Hardware-based trusted execution environments (TEEs), Intel SGX and AMD SEV support.

CYSEC ARCA Trusted OS for Clouds is developed by CYSEC. Fortanix Confidential Computing is developed by Fortanix. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

CYSEC ARCA Trusted OS for Clouds and Fortanix Confidential Computing serve similar Confidential Computing use cases: both are Confidential Computing tools. Review the feature comparison above to determine which fits your requirements.