Security by design. Zero trust by default.
In-depth overview of PESU Link's zero-trust inspection pipeline, Signal Double Ratchet end-to-end encryption, fail-closed guards, and SIEM observability.
Continue your conversations on your computer.
Connect your phone to PESU Web and experience end-to-end encrypted messaging, 60+ language real-time translation, review-first voice input, and large file transfers directly in your desktop browser.
Direct messages and calls use peer-to-peer ephemeral cryptographic ratchet keys with perfect forward secrecy and future secrecy. Server operators never hold private message decryption keys.
Log in with Apple Face ID, Touch ID, Windows Hello, or YubiKey hardware tokens. Phishing-resistant WebAuthn credentials eliminate credential replay attacks.
Consecutive authentication requests are calculated using the Haversine spherical formula. Speeds exceeding 850 km/h trigger an immediate security freeze and step-up challenge.
In Sovereign conversations, remote speech-to-text, cloud translation, and third-party AI assistants are strictly blocked to prevent unencrypted telemetry from crossing institutional borders.
Every file undergoes strict extension validation, magic-byte inspection, SVG/HTML active content stripping, and multi-engine antivirus verification before storage.
New device pairings require hardware biometric approval from an existing active primary device, preventing unauthorized access through carrier SIM swap fraud.