Is Proton VPN: Fast & Secure safe?
This security report analyses whether Proton VPN: Fast & Secure is safe to install on your browser. We check Proton VPN: Fast & Secure for malicious behaviour, data exfiltration, suspicious permissions, and known vulnerabilities so you can decide if Proton VPN: Fast & Secure is safe for your personal or enterprise fleet.
Legitimate VPN extension from Proton AG with minimal security concerns. Uses transmit.js for extension-to-background communication with a weak origin check (e.source==window), but no actual web page injection detected. Modifies WebRTC IP handling policy for privacy. Includes Sentry error reporting to reports.proton.me. All network traffic limited to Proton-owned domains. No WASM found despite analyzer flag.
AI-generated. Findings may contain errors. Those marked Verified have been manually reviewed.
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