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  2. Covert listening device - Wikipedia

    en.wikipedia.org/wiki/Covert_listening_device

    It is illegal to use listening or recording devices that are not permitted for public use. Individuals may only use listening or recording devices within reasonable privacy laws for legitimate security and safety reasons. Many people use listening devices on their own property to capture evidence of excessive noise in a neighbour complaint ...

  3. The Thing (listening device) - Wikipedia

    en.wikipedia.org/wiki/The_Thing_(listening_device)

    The device, embedded in a carved wooden plaque of the Great Seal of the United States, was used by the Soviet government to spy on the US. On August 4, 1945, several weeks before the end of World War II , a delegation from the Young Pioneer Organization of the Soviet Union presented the bugged carving to Ambassador Harriman, as a "gesture of ...

  4. Cellphone surveillance - Wikipedia

    en.wikipedia.org/wiki/Cellphone_surveillance

    Cellphone surveillance (also known as cellphone spying) may involve tracking, bugging, monitoring, eavesdropping, and recording conversations and text messages on mobile phones. [1] It also encompasses the monitoring of people's movements, which can be tracked using mobile phone signals when phones are turned on.

  5. Voice-activated radio-dispatched alarm - Wikipedia

    en.wikipedia.org/wiki/Voice-activated_radio...

    A voice-activated radio-dispatched alarm, or VARDA-alarm, is a type of burglar alarm that, when activated or "tripped", broadcasts the type of the alarm and the transmitter location over the local police radio frequency using a pre-recorded audio message. [1] In 1968, the voice-activated radio dispatched alarm (VARDA), was invented.

  6. Audio injection - Wikipedia

    en.wikipedia.org/wiki/Audio_Injection

    Audio injection is the exploitation of digital assistants such as Amazon Echo, Google Home or Apple SIRI by unwanted instructions from a third party. These services lack authentication when reacting to user commands, making it possible for attackers to issue activation words and commands and trigger the execution of desired actions.

  7. Acoustic Kitty - Wikipedia

    en.wikipedia.org/wiki/Acoustic_Kitty

    This would allow the cat to innocuously record and transmit sound from its surroundings. Due to problems with distraction, the cat's sense of hunger had to be addressed in another operation. [ 1 ] Victor Marchetti , a former CIA officer, said Project Acoustic Kitty cost about $20 million.

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