Dual-Use
One Messenger. Two Worlds.
Fortress Messenger was designed for use in enterprises and government agencies alike. The same security architecture – adapted to different requirements.
Enterprise (B2B)
Protect your internal communication, trade secrets and confidential documents with military-grade encryption.
Secure Internal Communication
Trade Secret Protection
Compliance-Compliant Archiving
Multi-Device for Mobile Teams
Government (B2G)
Secure communication for government agencies, defense and critical infrastructure. Escrow function for EU compliance.
Classified Communication
Escrow for EU Compliance
Forced Privacy for Secrecy
On-Premises Deployment Available
Made in Germany
Developed and hosted in Germany. GDPR compliant. No data leaves the European legal jurisdiction.