Features
End-to-end encryption for emails
Zero-access encryption (Proton cannot read data)
Encrypted calendar (Proton Calendar)
Custom email domains (paid plans)
Email aliases protection (hide-my-email)
Secure file sharing via Proton Drive
Password-protected emails to non-Proton users
Open source code (transparency)
Swiss privacy laws jurisdiction
Anonymous sign-up (no personal info for free)
Proton Sentinel account protection
Easy Switch import from Gmail/Outlook
Proton Bridge (IMAP/SMTP for desktop clients)
Lumo AI assistant (confidential AI, version 2.0)
Adaptive Email DLP prevents misdirected emails and hidden data exfiltration
Account takeover detection and response
Phishing and spear-phishing detection
Behavioral anomaly detection using machine learning
Automated policy enforcement adaptive to user behavior
Data exfiltration prevention (hidden and overt)
Policy-based data classification
Real-time alerts and reporting
User remediation workflows
API and Gateway deployment options
Microsoft 365 integration
Google Workspace integration
Insider threat management capabilities
Role-based access controls
Integration with Proofpoint ecosystem (Nexus, Satori, Zen)
