CYSEC ARCA Trusted OS for Clouds vs ZAMA: side-by-side comparison (2026)
CYSEC ARCA Trusted OS for Clouds is a commercial confidential computing solution by CYSEC. ZAMA is a free confidential computing solution. Features, integrations, deployment and the company behind each one, side by side.
Hardened OS providing trusted execution environment for VMs in clouds.
Zama's fhEVM Coprocessor is an open-source tool for developing applications using Fully Homomorphic Encryption, enabling privacy-preserving computations in various domains.
Side-by-side comparison
Feature
CYSEC ARCA Trusted OS for Clouds
ZAMA
Pricing model
Commercial
Free
Category
Confidential Computing
Confidential Computing
Deployment and fit
Deployment type
Hybrid
Cloud
Company size fit
Mid-Market, Enterprise
Startup, SMB, Mid-Market, Enterprise
Company
Company
CYSEC
–
Use cases and capabilities
Virtual Machine
Yes
No
Secure Boot
Yes
No
Hardware Security
Yes
No
Workload Security
Yes
No
Encryption
No
Yes
Open Source
No
Yes
Core features
7 features listed
No features listed
Integrations
6 integrations listed
No integrations listed
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