Cosmian Data Protection Suite

6.7easy start · #7 of 23
in Cloud Encryption Software

Free to practise onnot on record
Free trialyes
Well documentedyes
Runs where you workyes

Runs on api, Browser, Linux, Mac, self-hosted, Web, Windows.

Cosmian Data Protection Suite is ranked #7 of 23 in cloud encryption software on The Geeks Club. It runs on API, Browser extension, Linux, macOS, Self-hosted, Web, Windows. There is no free plan. A free trial is offered.

Cosmian Data Protection Suite plans and pricing

All plans

Cosmian KMS Not published Per-CPU pricing · no hidden costs · all connectors included · any number of servers docs.cosmian.com · 30 Sept 2026

Compared on cloud encryption software

Customer key control: mixed
External KMS support: Yes
Deployment options: hybrid
Cloud coverage: multi-cloud
Automated key rotation: Yes
Protected data types: multiple

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The record

Suite purpose: Cosmian provides a data protection suite using next-generation cryptography to secure data in use and protect data in public clouds.
KMS: Cosmian KMS centrally manages encryption and decryption processes, keys, and certificates and is fully open source.
Key lifecycle: KMS supports key storage, generation, rotation, distribution, and usage policies.
Cryptography: KMS embeds FIPS 140-3 validated libraries, Covercrypt post-quantum encryption with access policies, and Findex searchable encryption.
Confidential computing: Cosmian offers verifiable confidential virtual machines and confidential AI runners that keep code and data protected in cloud environments.
Confidential AI: Cosmian AI supports confidential GenAI translation and summarization without coding and provides Word and Chrome plugin integrations.
Encrypted search: Cosmian Findex provides encrypted exact, prefix, and suffix searches and has Rust, JavaScript, Python, Java, and Flutter wrappers.
Cloud marketplaces: Cosmian products are offered through AWS, Azure, and Google Cloud marketplaces.
Workplace integrations: KMS integrates with Google Workspace Client Side Encryption and Microsoft 365 Double Key Encryption.
Standards: KMS supports FIPS 140-3 mode and KMIP versions 1.0-1.4 and 2.0-2.1 in binary and JSON formats.
HSM support: KMS supports HSMs including Trustway Proteccio, Crypt2Pay, Utimaco, Nitrokey HSM 2, and Smartcard HSMs.
Performance: The KMS product page states that up to 5 million messages can be processed in under 5 seconds.
Free test limits: The KMS demo server is free to test, resets its database weekly, requires no authentication, and has no graphical interface.
Support: Cosmian directs users to its Discord community technical help center and offers expert contact and demo requests.

Where it ranks on The Geeks Club

Best Cloud Encryption Software in 2026#7 of 23

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Sources

cosmian.com· checked 30 Sept 2026
cosmian.com/data-protection-suite/cosmian-kms/· checked 30 Sept 2026
cosmian.com/data-protection-suite/cosmian-ai/· checked 30 Sept 2026
cosmian.com/data-protection-suite/cosmian-findex/· checked 30 Sept 2026
docs.cosmian.com/versions/kms/5.12.0/· checked 30 Sept 2026
docs.cosmian.com/versions/kms/5.21.0/· checked 30 Sept 2026
cosmian.com/contact-us/· checked 30 Sept 2026