Level B

Service contains risks and is suitable for some use cases. (Read more)
Not in EU area

The service if produced entirely or partly outside EU/ETA area. The customer is responsible for fulfilment of european data privacy and information security requirements. (Read more)

This service is still under evaluation process



ProtonMail is a Swiss email service offering encrypted communications and a secure messaging option. The company is founded by former CERN scientists and developers.

Terms of Service & Privacy Policy

Evaluation (10.12.2018)

  • (plus) Does not use sub-processors
  • (plus) Messages are stored in an encrypted form 
    • (plus)/(minus)Encryption key can be stored by the user only ("Two Passwords" must be set manually)
  • (plus) Offers secure messaging capability and message expiration
  • Data retention and disclosure:
    • (plus) Gives a complete list of grounds for disclosure
    • (plus) Gives a complete list of data retention periods and purposes
    • Discloses data under Swiss law to Swiss authorities
  • (plus) Offers GDPR (Art.28) compliant contract for business customers
  • Huomioitava oman organisaation ohjeet salassa pidettävän aineiston käsittelystä Suomen rajojen ulkopuolella


Use of service requires registration as a customer


  • A free version is available with limited features
  • Paid versions include personal and business plans


Proton Technologies AG (Switzerland)

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