Data encryption is your best weapon against security threats.
Cosmian offers cutting-edge data protection
powered by cryptography excellence.
Data encryption is your best weapon against security threats.
Cosmian offer cutting-edge data protection powered by cryptography excellence.
Zero-trust environments:
data is encrypted everywhere and at all times
At Cosmian, world-class mathematic excellence is the cornerstone of our expertise. Working with world-renowned cryptographers and a team of Crypto-Devs, we build future-proof, unique security products that reconcile today’s critical paradigm: protect sensitive data in zero-trust environments.
No security hassles or cryptography headaches: your teams will gain the independence and autonomy they need to deliver secure and efficient solutions. Our user-friendly and intuitive API is designed for any skill level without cryptographic expertise.
Cosmian Cloudproof
Move to cloud strategy for the zero-trust natives
Cosmian Cloudproof elevates your Move to Cloud migration strategy, providing unparalleled security with our state-of-the-art, high-speed cryptographic library.
With end-to-end encryption, searchable encryption, and confidential computing, we offer a truly holistic solution, creating a quantum-ready, Zero Trust environment.


Cosmian Cloudproof
Move to cloud strategy for the zero-trust-natives
Cosmian Cloudproof elevates your Move to Cloud migration strategy, providing unparalleled security with our state-of-the-art, high-speed cryptographic library.
With end-to-end encryption, searchable encryption, and confidential computing, we offer a truly holistic solution, creating a quantum-ready, Zero Trust environment.

Cosmian Microservice Encryption
On-demand confidential datarooms in a single API call
Protect your sensitive data, save your code from tampering, and collaborate with other parties without revealing your secrets.
Cosmian Microservice Encryption is a revolutionary solution that lets you run encrypted code on encrypted data by simply deploying a confidential microservice.

Cosmian Microservice Encryption
On-demand confidential datarooms in a single API call
Protect your sensitive data, save your code from tampering, and collaborate with other parties without revealing your secrets.
Cosmian Microservice Encryption is a revolutionary solution that lets you run encrypted code on encrypted data by simply deploying a confidential microservice.
Cosmian Data Anonymization
Extract the full value of sensitive data with zero liability.
With Cosmian Data Anonymization, unlock new opportunities and empower your business decisions while safeguarding privacy.
Cosmian offers a comprehensive data anonymization solution designed to ensure you can safely mine partners’ and other business units’ sensitive data without risk.


Cosmian Data Anonymization
Extract the full value of sensitive data with zero liability.
With Cosmian Data Anonymization, unlock new opportunities and empower your business decisions while safeguarding privacy.
Cosmian offers a comprehensive data anonymization solution designed to ensure you can safely mine partners’ and other business units’ sensitive data without risk.
No security hassles, no cryptography headaches
Seamless deployments across all your environments
Cosmian solutions can be used as a SaaS, deployed on-premises, and in your cloud computing environments, whether multi-tenant or single-tenant.
Peace of mind with Cosmian’s auditable, open-sourced tech
Zero-trust needs transparency and accountability, so we have made our code Open-Source. It allows anyone interested or concerned to inspect and verify our code for themselves.
Confidently transform with custom training & expert Support
Cosmian guarantees success by providing custom training, expert support, and seamless installations. Confidently navigate the transformation, unlock data’s full potential, and succeed in your organization’s challenges.
World-class mathematic excellence is the cornerstone of our expertise
Partnering with the best-in-class
At Cosmian, we are committed to equipping the new data economy with cutting-edge cryptography solutions that are easily accessible and seamlessly integrated into applications. To achieve this, we collaborate with world-renowned academic teams specializing in cryptography, leveraging their expertise to develop game-changing products.
By aligning ourselves with the best minds in the field, we ensure that our cryptographic solutions are at the forefront of innovation and provide the highest level of protection. These collaborations enable us to offer state-of-the-art developer tools, empowering businesses to safeguard sensitive data and secure their digital assets effectively.



Encryption for the post-quantum natives
The National Institute of Standards and Technology (NIST) sounds the alarm on quantum risks, stressing the urgency of initiating post-quantum resilience strategies right away. At Cosmian, our unwavering commitment to cryptography expertise and staying ahead of the curve drives us to engineer cryptographic algorithms that are purpose-built to be “quantum-resistant.”
By adopting our quantum-resistant encryption, you take charge of your digital destiny, confidently mitigating vulnerabilities that could arise as quantum computing advancements continue to unfold. This means your defense remains unyielding not just today, but also for the next decades.
Latest News
Why Ubiquitous Encryption is key to cloud security.
Blog / SecurityWhy Ubiquitous Encryption is key to cloud security.ShareCosmian • March 28, 2023Table of ContentsTopCloud Act: a sword of Damocles hanging over data confidentiality.Tools adapted to modern...
At SCN 2022, Paola de Perthuis, Cryptographer at Cosm …
Blog / CryptographyAt SCN 2022, Paola de Perthuis, Cryptographer at Cosmian, will present her joint work paper on MyOPE - Malicious security for Oblivious Polynomial EvaluationShareCosmian • Sep 13,...
Deeptech Cosmian raises €4.2m to accelerate the dep …
This financing, mainly operated by La Banque Postale - via its new 115K innovation fund - and Elaia Partners, historical investor, will allow the French encryption specialist to accelerate the distribution of its first products and continue to innovate. Its ambition...
Latest News
Why Ubiquitous Encryption is key to cloud security.
Blog / SecurityWhy Ubiquitous Encryption is key to cloud security.ShareCosmian • March 28, 2023Table of ContentsTopCloud Act: a sword of Damocles hanging over data confidentiality.Tools adapted to modern...
At SCN 2022, Paola de Perthuis, Cryptographer at Cosm …
Blog / CryptographyAt SCN 2022, Paola de Perthuis, Cryptographer at Cosmian, will present her joint work paper on MyOPE - Malicious security for Oblivious Polynomial EvaluationShareCosmian • Sep 13,...
Deeptech Cosmian raises €4.2m to accelerate the dep …
This financing, mainly operated by La Banque Postale - via its new 115K innovation fund - and Elaia Partners, historical investor, will allow the French encryption specialist to accelerate the distribution of its first products and continue to innovate. Its ambition...