Proton
Encrypted email, file storage and calendar services.
- Countries served
- Worldwide
- Languages
- English
- Last reviewed
- 2026-10-31
Overview
Proton offers a suite of privacy-focused services designed to protect user data through end-to-end encryption. The company provides secure alternatives to mainstream communication and productivity tools, catering to individuals and organizations that prioritize digital security. Based in Switzerland, it operates an ecosystem of integrated services that ensure sensitive information remains inaccessible to unauthorized third parties.
Products and services
- Proton Mail
- Proton Drive
- Proton Calendar
- Proton VPN
- Proton Pass
- Proton Mail Bridge
Business problems addressed
- Exposure of sensitive business communications
- Unauthorized data access by cloud service providers
- Security risks associated with public networks
- Lack of privacy in digital file storage
- Identity theft and credential compromise
Key benefits and capabilities
- End-to-end encryption
- Zero-access architecture
- Open-source software
- Anonymous account registration
- Physical infrastructure in privacy-friendly jurisdictions
- Cross-platform synchronization
Frequently asked questions
- Is Proton based in a country with strong privacy laws?
- Yes, Proton is headquartered in Switzerland, which maintains robust data protection legislation that is independent of EU and US surveillance programs.
- Can I integrate Proton Mail with desktop email clients?
- Yes, Proton Mail Bridge allows users to connect their encrypted account to desktop clients like Outlook, Thunderbird, and Apple Mail.
- Are the company's applications open source?
- Proton makes the source code for its applications available to the public, allowing independent security experts to verify its encryption claims.
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