ICSL
ICSL GmbH
Wien, Austria
About
Founded in 1995, ICSL is a defense software developer based in Wien, Austria working in communications & satcom, defense software & ai.
ICSL is a Vienna-based communications security company founded in 1995 and focused exclusively on communications security. It develops and operates secure communication solutions for government, military and critical infrastructure customers. Its main product, Silentel, is NATO-approved and quantum-resistant, and is offered as on-premise, hosted/cloud or managed as-a-service deployments. The company also provides custom secure devices, a biometric authentication card (AGSES), crisis backup communications, COMSEC advisory and training services. ICSL states that it holds a facility security clearance and personnel clearances for work in classified environments up to secret level, and that it does not disclose customer names. The company describes itself as privately run and financially independent. Its legal entities are ICSL GmbH and ICSL Consulting for Information-Technology and Telecommunications GmbH, both located at Khunngasse 14, 1030 Vienna.
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Products & capabilities
Defense domains
Supply-chain role
What they offer
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Products
Silentel On-Premise
Secure communications software
End-to-end encrypted voice, messaging and data communications run fully within the customer's own infrastructure, with customer-held certificates and keys.
Silentel Hosted / Cloud
Secure communications service
Hosted end-to-end encrypted voice and messaging service with data centre hosting in Austria, Germany, Finland or Singapore, or on Azure Europe.
Silentel as-a-Service Premium
Managed secure communications service
Managed, independently operated secure voice and messaging service run by ICSL in Vienna, requiring no customer IT infrastructure.
Crisis Backup as-a-Service
Crisis communications
Independent communications service that can be activated immediately as a backup to the primary communications infrastructure, including during a cyberattack.
AGSES
Biometric authentication card
Biometric multi-factor authentication card with EAL4 chip, fingerprint reader, trusted display and 128 independent crypto slots, developed by a spin-off founded in 2008.
Custom Devices
Secure endpoint devices
Secure devices from off-the-shelf hardware to custom hardware, with endpoint security and mobile device management.
End users
Standards, platforms & customers
Defense standards
Credentials & affiliations
Certifications
Facility Security Clearance (FCL)
Personnel Security Clearance (PCL Secret)
