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Cosmian Data Protection Suite
What it is
Cosmian Data Protection Suite provides cryptographic tools for protecting data in use and in public clouds. The suite includes Cosmian KMS for centralized management of encryption, decryption, keys, and certificates. KMS supports key storage, generation, rotation, distribution, and usage policies, is fully open source, and embeds FIPS 140-3 validated libraries, Covercrypt post-quantum encryption with access policies, and Findex searchable encryption. Cosmian also offers verifiable confidential virtual machines and confidential AI runners for cloud environments. Cosmian AI provides confidential GenAI translation and summarization without coding, with Word and Chrome integrations. Findex supports encrypted exact, prefix, and suffix searches and provides Rust, JavaScript, Python, Java, and Flutter wrappers. Products are available through AWS, Azure, and Google Cloud marketplaces. KMS integrates with Google Workspace Client Side Encryption and Microsoft 365 Double Key Encryption, supports listed KMIP versions and HSMs, and offers hybrid, multi-cloud deployment.
For and against
For
- Open-source centralized key management
- Automated key rotation support
- Confidential AI without coding
- Encrypted exact, prefix, and suffix search
- AWS, Azure, and Google Cloud availability
Against
- No free plan
- Demo server resets weekly
- Demo server has no authentication
The verdict
Cosmian Data Protection Suite combines key management with confidential computing, confidential AI, and encrypted search. Its broad deployment and integration options suit organizations managing encryption across cloud and workplace systems.
Who it suits
It suits organizations protecting multiple data types across hybrid or multi-cloud environments. It is also relevant to teams needing open-source key management, confidential computing, or encrypted search.
Plans and prices
KMS demo server
database resets weekly · no authentication · no graphical interface · REST API and CLI access
Read 14 Oct 2026 · cosmian.com
Cosmian KMS
per-CPU pricing · no hidden costs · all connectors included · any number of servers
Read 14 Oct 2026 · docs.cosmian.com
On the record
- API
- The KMS exposes a KMIP-compatible API and the documentation includes API endpoints, JSON TTLV, and operation references.docs.cosmian.com · read 14 Oct 2026
- CLI and GUI
- KMS provides a command-line client with integrated help plus a graphical interface supporting client certificates and OIDC tokens.docs.cosmian.com · read 14 Oct 2026
- Cloud marketplaces
- Cosmian products are offered through AWS, Azure, and Google Cloud marketplaces.cosmian.com · read 30 Sep 2026
- Company founded
- LinkedIn lists Cosmian as founded in 2018.linkedin.com · read 14 Oct 2026
- Company headquarters
- LinkedIn lists headquarters at 55 Rue La Boétie in Paris, France.linkedin.com · read 14 Oct 2026
- Company size
- LinkedIn lists Cosmian as a privately held company with 11–50 employees.linkedin.com · read 14 Oct 2026
- Confidential AI
- Cosmian AI supports confidential text translation and summarization inside Cosmian VM and offers Word and Chrome plugin integrations.cosmian.com · read 14 Oct 2026
- Confidential computing
- Cosmian offers verifiable confidential virtual machines and confidential AI runners that keep code and data protected in cloud environments.cosmian.com · read 30 Sep 2026
- Confidential VM
- Cosmian VM isolates workloads in hardware-backed trusted execution environments with memory encryption, disk encryption, and host isolation.eviden.com · read 14 Oct 2026
- Covercrypt
- Covercrypt is presented as a client-side encryption library with post-quantum resistance and encrypted access policies.cosmian.com · read 14 Oct 2026
- Cryptography
- KMS embeds FIPS 140-3 validated libraries, Covercrypt post-quantum encryption with access policies, and Findex searchable encryption.cosmian.com · read 30 Sep 2026
- Database integrations
- KMS documentation lists Oracle TDE, MongoDB, MySQL Enterprise, Microsoft SQL Server External EKM, and PostgreSQL integrations.docs.cosmian.com · read 14 Oct 2026
- Documentation depth
- The technical documentation is organized by security use case and product and includes installation, configuration, integrations, API, algorithms, audits, compliance, and KMIP operation references.docs.cosmian.com · read 14 Oct 2026
- Encrypted search
- Cosmian Findex provides encrypted exact, prefix, and suffix searches and has Rust, JavaScript, Python, Java, and Flutter wrappers.cosmian.com · read 30 Sep 2026
- Findex
- Cosmian Findex provides probabilistically encrypted exact, prefix, and suffix search over encrypted indexes.cosmian.com · read 14 Oct 2026
- Findex performance
- The Findex page reports approximately eight-microsecond search latency and twelve-microsecond insert latency.cosmian.com · read 14 Oct 2026
- Findex SDKs
- Findex is offered as a Rust library with JavaScript, Python, Java, and Flutter wrappers.cosmian.com · read 14 Oct 2026
- Free test limits
- The KMS demo server is free to test, resets its database weekly, requires no authentication, and has no graphical interface.cosmian.com · read 30 Sep 2026
