CYSEC ARCA Trusted OS for Clouds vs PrivateCore vCage: 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..

PrivateCore vCage: Secures cloud servers from APTs, malicious hardware, and insider threats. built by PrivateCore. Core capabilities include Server integrity attestation to verify servers are in a known, good state, Detection and prevention of APTs including rootkits and bootkits, Data-in-use (memory) encryption to protect active workloads..

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. PrivateCore vCage differentiates with Server integrity attestation to verify servers are in a known, good state, Detection and prevention of APTs including rootkits and bootkits, Data-in-use (memory) encryption to protect active workloads.

CYSEC ARCA Trusted OS for Clouds is developed by CYSEC. PrivateCore vCage is developed by PrivateCore. 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 integrates with Google Cloud Platform, AWS, Azure, VMware ESXi/vSphere, QEMU/KVM and 1 more. PrivateCore vCage integrates with OpenStack. Check integration compatibility with your existing security stack before deciding.

CYSEC ARCA Trusted OS for Clouds and PrivateCore vCage serve similar Confidential Computing use cases: both are Confidential Computing tools, both cover Workload Security, Secure Boot. Review the feature comparison above to determine which fits your requirements.