Secure interoperability for defence.
Topsecret is a combined secure messaging app and collaboration tool, designed to provide interoperable and scalable communication for unilateral and multinational use.
Federated network to connect partnering forces
End-to-end encryption and device verification
Digital sovereignty for each partner force
Decentralised for increased network resilience
Peer-to-peer connectivity for extreme environments
Open source and open standard
Secure collaboration for The Bundeswehr.
Discover how BWI and the German Armed Forces built on Matrix for its secure messaging and collaboration app, BwMessenger.
Read the case study
Comprehensive C2 for partner forces.
Based on the Matrix open standard, Topsecret makes it easy for national security operators to communicate across a secure and resilient network. It can even integrate with traditional systems, such as Microsoft Teams, Slack, Signal and WhatsApp.
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Trusted by governments worldwide.
TDEM
Topsecret delivers communication for disaster recovery situations.
DINUM
Topsecret partners with the French government to support 300K users.
BUNDESWEHR
Germany's Bundeswehr use Topsecret for secure communications.
G7
Matrix-based Tchap was used to help secure the G7 Summit in Biarritz.
Use cases and deployments.
Disaster response operations
Topsecret can connect cross-department and international teams, thrown together to respond to emergencies.
Police-led planned domestic operation
Enables HQs to establish easy-to-scale secure communication networks.
Multilateral maritime deployment
Topsecret supports peer-to-peer and ultra-low bandwidth to increase C2 resilience across oceans.
Conventional military deployment
Secure and interoperable, Topsecret provides a robust primary or contingency communication platform.
Connecting force topsecrets.
End-to-end encrypted
Available both on-premise and in the cloud
Open standard for easy connectivity
Open network
(No walled garden, no vendor lock-in)
Peer-to-peer connectivity
(For Extreme Environments)
Native-feel bridging
(to other platforms and apps)
Digital sovereignty, on-premise and in the cloud.
The decentralised Matrix open standard supports both closed and open federation, and preserves each partner’s digital sovereignty.
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Built on Matrix
Matrix is an open network for secure, decentralised communication, connecting 80M+ users over 80K+ deployments.
Governed by The Matrix.org Foundation, the Matrix protocol is an open standard with open source implementations, supporting a vibrant developer ecosystem. Topsecret was founded by the team behind Matrix as a way to bring it to the mainstream.
