CipherStash Stash vs ProvenRun ProvenHSM: Side-by-Side Comparison (2026)

CipherStash Stash: TypeScript secrets manager with zero-trust vault and cryptographic audit trails. built by CipherStash. Core capabilities include Encrypted secrets vault with local decryption (plaintext never leaves the process), Immutable, cryptographically proven audit trail for every secret access event, TypeScript SDK (@cipherstash/protect) and CLI for managing secrets..

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.

CipherStash Stash differentiates with Encrypted secrets vault with local decryption (plaintext never leaves the process), Immutable, cryptographically proven audit trail for every secret access event, TypeScript SDK (@cipherstash/protect) and CLI for managing secrets. 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).

CipherStash Stash is developed by CipherStash. 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.

CipherStash Stash integrates with Node.js, Bun, Deno. ProvenRun ProvenHSM integrates with PKCS#11, REST API, Kubernetes, HashiCorp Vault. Check integration compatibility with your existing security stack before deciding.

CipherStash Stash 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.