• earthworm@sh.itjust.works
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    23 days ago

    In case you, like me, were wondering wtf stingrays are (besides a type of fish). This is from their report :

    Cell-site simulators, also known as “Stingrays” or IMSI catchers, are devices that masquerade as legitimate cell-phone towers, tricking phones within a certain radius into connecting to the device rather than a tower.

    Cell-site simulators operate by conducting a general search of all cell phones within the device’s radius, in violation of basic constitutional protections. Law enforcement use cell-site simulators to pinpoint the location of phones with greater accuracy than phone companies. Cell-site simulators can also log IMSI numbers (unique identifying numbers) of all of the mobile devices within a given area.

    The fact that government agencies are using these devices without the utmost consideration for the privacy and rights of individuals around them is alarming but not surprising. The federal government, and in particular agencies like HSI and ICE, have a dubious and troubling relationship with overbroad collection of private data on individuals.

      • dhork@lemmy.world
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        23 days ago

        Based on this link, the proper thing to do should be to report it to the FCC. I am not sure how much Trump’s FCC will pay attention to the report, though…

        • MTZ@lemmy.worldOP
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          23 days ago

          Also alert your friends/colleagues that there are IMEI/IMSI scanners at the event, so that they can prepare accordingly by leaving their phone at home, putting it in a farraday bag, etc.

  • hypna@lemmy.world
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    23 days ago

    Fucking cool, and also remember to leave your phone at home, or at least on airplane mode.

    • TheWhetherMan@lemmy.world
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      23 days ago

      In airplane mode and even while turned off, phones have been known to still transmit data via background services. Leaving it behind, or a Faraday bag are the only assured options I’m aware of

      • ripcord@lemmy.world
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        22 days ago

        Not while turned off, generally. Screen off, sure.

        Edit: apparently at least some do

        • Metz@lemmy.world
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          23 days ago

          There is no such thing as “off” on modern Smartphones. Even if you power it down things like the baseband prozessor and bluetooth still stay active most of the time.

          If the battery is integrated into device there ist no real way to completely shut this things down.

        • bagsy@lemmy.world
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          23 days ago

          Thats not correct. Iphones and androids are never truly off. There are a few privacy focused phones by small makers with hardware switches for each radio. You can run android or linux on them.

    • atomicbocks@sh.itjust.works
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      23 days ago

      Modern phones will still ping the Bluetooth low energy networks like Find My for Apple devices even when off or on airplane mode. That’s how things like AirTags work.

  • finitebanjo@lemmy.world
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    22 days ago

    My phone OS allows me to disable 2G, which I do because of SS7 vulnerability, but not 3G unfortunately.