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  2. Secure telephone - Wikipedia

    en.wikipedia.org/wiki/Secure_telephone

    A Secure Terminal Equipment desk set. A secure telephone is a telephone that provides voice security in the form of end-to-end encryption for the telephone call, and in some cases also the mutual authentication of the call parties, protecting them against a man-in-the-middle attack. Concerns about massive growth of telephone tapping incidents ...

  3. STU-III - Wikipedia

    en.wikipedia.org/wiki/STU-III

    STU-III. A STU-III secure telephone (Motorola model). Crypto Ignition Key upper right. STU-III (Secure Telephone Unit - third generation) is a family of secure telephones introduced in 1987 by the NSA for use by the United States government, its contractors, and its allies. STU-III desk units look much like typical office telephones, plug into ...

  4. Secure Terminal Equipment - Wikipedia

    en.wikipedia.org/wiki/Secure_Terminal_Equipment

    Secure Terminal Equipment (STE) is the U.S. government's current (as of 2008), encrypted telephone communications system for wired or "landline" communications. STE is designed to use ISDN telephone lines which offer higher speeds of up to 128 kbit/s and are all digital. The greater bandwidth allows higher quality voice and can also be utilized ...

  5. Secure communication - Wikipedia

    en.wikipedia.org/wiki/Secure_communication

    Secure communication. Secure communication is when two entities are communicating and do not want a third party to listen in. For this to be the case, the entities need to communicate in a way that is unsusceptible to eavesdropping or interception. [1][2] Secure communication includes means by which people can share information with varying ...

  6. Defense Red Switch Network - Wikipedia

    en.wikipedia.org/wiki/Defense_Red_Switch_Network

    The phone has the four extra MLPP buttons and 48 programmable buttons for access to both secure and nonsecure lines. [1] The Defense Red Switch Network (DRSN) is a dedicated telephone network which provides global secure communication services for the command and control structure of the United States Armed Forces.

  7. Cordless telephone - Wikipedia

    en.wikipedia.org/wiki/Cordless_telephone

    A cordless telephone or portable telephone has a portable telephone handset that connects by radio to a base station connected to the public telephone network. The operational range is limited, usually to the same building or within some short distance from the base station. A cordless telephone differs functionally from a mobile telephone in ...

  8. National Security Agency is urging Americans to reboot our ...

    www.aol.com/news/national-security-agency-urging...

    Tech expert Kurt “CyberGuy" Knutsson says the National Security Agency advises weekly phone reboots to protect against cyberattacks and enhance mobile security.

  9. Defense Switched Network - Wikipedia

    en.wikipedia.org/wiki/Defense_Switched_Network

    Defense Switched Network. The Defense Switched Network (DSN) is a primary information transfer network for the Defense Information Systems Network (DISN) of the United States Department of Defense. The DSN provides the worldwide non-secure voice, secure voice, data, facsimile, and video teleconferencing services for DOD Command and Control (C2 ...

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