Cosmian Data Protection Suite vs ProvenRun ProvenHSM: Side-by-Side Comparison (2026)

Cosmian Data Protection Suite: Data protection suite for securing data in public cloud environments. built by Cosmian. Core capabilities include Key management system (Cosmian KMS), Virtual machine security for public cloud (Cosmian VM), AI workload security (Cosmian AI)..

ProvenRun ProvenHSM: Cloud & telecom HSM with formal OS verification, FIPS 140-3 L3, and PQC support. built by ProvenRun. Core capabilities include CC EAL5+ and FIPS 140-3 Level 3 certified security with tamper protection, Formally verified OS (ProvenCore, CC EAL7) as the underlying platform, Post-Quantum Cryptography support (ML-KEM, ML-DSA)..

Both serve the Key Management market but differ in approach, feature depth, and target audience.

Cosmian Data Protection Suite differentiates with Key management system (Cosmian KMS), Virtual machine security for public cloud (Cosmian VM), AI workload security (Cosmian AI). ProvenRun ProvenHSM differentiates with CC EAL5+ and FIPS 140-3 Level 3 certified security with tamper protection, Formally verified OS (ProvenCore, CC EAL7) as the underlying platform, Post-Quantum Cryptography support (ML-KEM, ML-DSA).

Cosmian Data Protection Suite is developed by Cosmian. ProvenRun ProvenHSM is developed by ProvenRun. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Cosmian Data Protection Suite and ProvenRun ProvenHSM serve similar Key Management use cases: both are Key Management tools, both cover Encryption. Review the feature comparison above to determine which fits your requirements.