GSMK CryptoPhone Technology

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  • Trustworthy solution for confidential phone calls and messages
  • 360° mobile device security
  • Easy to use
  • Strong, fully verifiable encryption: Voice and data encrypted with AES 256 and Twofish


Trustworthy Voice and Message Encryption

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  • GSMK CryptoPhones are your trustworthy solution for completely confidential encrypted telephone calls – whether by GSM cellular network, 3G/UMTS, satellite, or land line
  • GSMK CryptoPhones are based on the strongest encryption algorithms on the market
  • GSMK CryptoPhones are the only secure phones that come with full source code available for independent review – allowing their security to be fully verified by independent researchers
  • GSMK CryptoPhones provide hassle-free, integrated security – protecting not only the information you exchange by phone, but also the data on your mobile device



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GSMK debuts new security systems to protect mobile network operators against eavesdropping and fraud

Groundbreaking technology secures operators’ core networks and detects, localizes and neutralizes rogue base stations

Mobile security specialists GSMK and sternraute close cooperation to protect network operators against SS7 attacks

Combined expertise used in new network security products that secure operators’ core networks

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CeBIT 2015 • Hannover, Germany

GSMK’s 360-degree mobile security solutions on display from March 16-20 in Hall 6, Stand L16