Proton is a privacy-focused technology company based in Switzerland that offers a suite of secure, end-to-end encrypted digital services. Its products include encrypted email, calendar, cloud storage, password management, and VPN, all designed to protect user data and privacy by default. The company emphasizes open-source software, independent security audits, and a nonprofit ownership model via the Proton Foundation. Headquartered near Geneva, Proton serves individuals and organizations seeking private communications and data protection globally.