Protect your critical data

58% of companies transfer sensitive data to the cloud


Protect you critical data

Double Key Encryption for Microsoft 365 allows customers to maintain full control of their encryption keys. Since Microsoft can access only one of these keys, protected data remains inaccessible to Microsoft or insiders, ensuring that customers have full control over their data privacy and security.

We provide data security for your workload in cloud services

Double Encryption for Office 365

Microsoft launched a new security feature for Microsoft 365 called double key encryption (DKE). Double Key Encryption enables enterprises to protect highly sensitive data while keeping full control of their encryption keys. With DuoKey for Office 365, we offer the 1st true native double encryption services using Multi-Party Computation (MPC) without needs the complexity of HSM (Hardware Security Module). 

DuoKey for AWS S3

There is a risk that unsecured customer data or keys can be discovered by cyber-crime with the intent to misuse the data. As more and more data breaches happens when using unsecured AWS S3 bucket, companies needs to add another layer of protection in addition of AWS KMS.  With DuoKey you keep dual control of your encryption keys while protecting sensitive S3 buckets in AWS cloud services. 

Double Encryption for Office 365

DuoKey data security solution uses a defense-in-depth approach, adding layers of protection for sensitive corporate data beyond what the typical cloud provider offers.

DuoKey for SQL

Experts agree that end-to-end encryption can reduce the risk of unauthorized data access and meet certain compliance and data residency requirements. DuoKey takes a complementary approaches to encryption, both using encryption keys controlled by the customer and performing the encryption at the endpoint.

About Us

Founded in 2020 in Lausanne, Switzerland, DuoKey is a cybersecurity startup founded by experienced entrepreneurs and cryptographers. DuoKey’s mission is to secure your communication, documents, and data. Cybersecurity is the #1 concern of our customers moving to the cloud. DuoKey provides security features our customers need and enables companies to confidently move sensitive workloads to the cloud while benefiting from strong security controls that meet internal and external compliance requirements.

DuoKey Key Management Service is based on innovative Multi-Party computation (MPC) that provides encryption services without needing to rely on HSM (Hardware Security Module).

DuoKey is part of Tech4Trust Accelerator – Trust Valley Switzerland.

Resources and Useful Insights

Latest News

DuoKey selected for World TechTour 2020

DuoKey selected as a finalist for World Tour – TechTour 2020 Zurich, Switzerland – 12, December 2020 – Almost

DuoKey with SEPIOR TSM goes for FIPS140-3 validation

Our partner SEPIOR goes for FIPS140-3 validation program Zurich, Switzerland – 12, November 2020 – Sepior Threshold Security Module

DuoKey partners with SEPIOR for Double Key Encryption on Office 365

DuoKey partners with Sepior to deliver Double Key Encryption (DKE) Services for Microsoft Office 365 Zurich, Switzerland – 10,


June 10, 2021 -
June 11, 2021
Live streaming

HashiConf Europe – Live streaming

May 17, 2021 -
May 17, 2021

Global Tech Summit – Lausanne

Download our latest report on Multi party computation and Office 365 encryption

Do you know that with new DoubleKey encryption feature in Office 365, you can know own and control your own encryption with Azure Information Protection.

Report MPC and
Office 365

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