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  2. 2009 Sidekick data loss - Wikipedia

    en.wikipedia.org/wiki/2009_Sidekick_data_loss

    On Friday, October 2, 2009, T-Mobile Sidekick phone users started noticing data service outages occurring. The outages lasted approximately two weeks, and on October 10, 2009, T-Mobile announced that personal information stored on Sidekick phones would be permanently lost, which turned out to be incorrect.

  3. Reverse telephone directory - Wikipedia

    en.wikipedia.org/wiki/Reverse_telephone_directory

    An unpublished number is also excluded from directory assistance services, such as 411. Landline telephone companies often charge a monthly fee for this service. As cellular phones become more popular, there have been plans to release cell phone numbers into public 411 and reverse number directories via a separate Wireless telephone directory ...

  4. Mobile phone tracking - Wikipedia

    en.wikipedia.org/wiki/Mobile_phone_tracking

    An indoor location tracking map on a mobile phone. Mobile phone tracking is a process for identifying the location of a mobile phone, whether stationary or moving. . Localization may be affected by a number of technologies, such as the multilateration of radio signals between (several) cell towers of the network and the phone or by simply

  5. Triggerfish (surveillance) - Wikipedia

    en.wikipedia.org/wiki/Triggerfish_(surveillance)

    Neither the user nor the cell phone provider need to know about Triggerfish for it to be used successfully. [2] A court order is required, but the device circumvents provisions of CALEA barring use of pen register or trap-and-trace devices. [3] The device is similar to but distinct from an IMSI catcher. [4]

  6. Quickly find your lost cellphone - AOL

    www.aol.com/article/2015/12/29/quickly-find-your...

    You're constantly on your phone and yet, all of a sudden, you can't find it. We've all been there. You come home, put down your keys and cellphone, then the distractions hit you. Someone in the ...

  7. IMSI-catcher - Wikipedia

    en.wikipedia.org/wiki/IMSI-catcher

    A targeted mobile phone is sent signals where the user will not be able to tell apart the device from authentic cell service provider infrastructure. [16] This means that the device will be able to retrieve data that a normal cell tower receives from mobile phones if registered.