Security Architecture
Four Dimensions of Security
Fortress Messenger protects your communication across four fundamental dimensions – each with multiple security layers.
Protection from External Access
Facial recognition, fake unlock mode, app lock and self-destructing messages protect against unauthorized access to your device.
Biometric Authentication
Fake Unlock Mode
Self-Destructing Messages
Additional App Lock
Prevent Data Leaks
Screenshot protection, forwarding block and configurable export rules prevent confidential data from leaving your organization.
Screenshot Protection
Forwarding Block
Export Rules
Copy Protection
For the Right Eyes Only
Forced Privacy and PIN-secured messages ensure that only authorized persons can view confidential content.
Forced Privacy
PIN-Secured Messages
Patented Facial Recognition
Confidential Chats
Phishing Protection
Pseudonym mode and multiple profiles protect your identity and prevent social engineering attacks.
Pseudonym Mode
Multiple Profiles
Identity Protection
Anti-Social Engineering
Technical Foundations
EncryptionAES-256 + Double Ratchet
ProtocolX3DH Key Agreement
NetworkTLS on All Connections
Local SecurityAES-256-CBC + IOCipher
CallsSRTP Encrypted
AuthenticationSCRAM-SHA256