Security & certificates
Silentel takes security really serious. Currently used security mechanism are outcome of many years development in the field of secure mobile communication. Silentel passed many security evaluations based on top governmental and military requirements.
Silentel essential security pilars are follows:
End-to-end encryption
All data transmitted through Silentel system are encrypted end-to-end. It means that data are encrypted before sending and are decrypted after delivery to receiver. Data are never decrypted during transfer. Moreover encryption is protected against man-in-the-middle attack.
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One-time encryption keys
Each communication is protected by unique encryption key which is generated during communication establishment. Encryption key is destroyed immediately after communication. This mechanism ensure that encryption key cannot be predicted what makes communication really secure without no possibility for eavesdropping.
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Non-traceable
Standard GSM call are not only vulnerable for interception but moreover are traceable. Mobile operator has records about all your calls and messages – to whom have you called, when and how lond. Silentel communication is transmitted as internet data (similar to browsing on internet) what makes your calls and message non-traceable.
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No permanent information
No information remains stored on user’s device. It means that sensitive data will not become compromise even in case of device is lost or stolen.
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Silentel meets NATO security requirements and is certified by several government security agencies as a product for secure mobile communication. Silentel is approved to be used up to and including NATO CONFIDENTIAL.
NATO Information Assurance Products Catalogue

Silentel is positioned in the NATO Information Assurance Products Catalogue (NIAPC) with classification up to and including NATO CONFIDENTIAL.
NIAPC brings together all INFOSEC and IA products that are evaluated and suitable for use in the NATO environment (NATO nations and NATO civil and military bodies).
Silentel entry in NATO IA Products Catalogue
Examples of last issued government security agency certification
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| Version: |
Silentel 4.0 |
| Issuer: |
Ministry of Defence of the Slovak Republic |
| Issued: |
06.09.2010 |
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| Version: |
Silentel 3.2 |
| Issuer: |
National Security Authority of the Slovak Republic |
| Issued: |
15.04.2010 |
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| Version: |
Silentel 3.1 |
| Issuer: |
Ministry of Defence of the Slovak Republic |
| Issued: |
08.12.2009 |
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| Version: |
Silentel 3 |
| Issuer: |
National Security Authority of the Slovak Republic |
| Issued: |
15.10.2009 |
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