this post was submitted on 14 Jun 2025
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How Do I Prepare My Phone for a Protest? (themarkup.org)
submitted 1 day ago* (last edited 1 day ago) by Pro@programming.dev to c/technology@lemmy.world
113 comments fedilink hide all child comments
 

Shared here for public benefit.

Before going to a protest, demonstrators or observers should note that their cellphones may subject them to surveillance tactics by law enforcement. If your cellphone is on and unsecured, your location can be tracked and your unencrypted communications, such as SMS, may be intercepted. Additionally, police may retrieve your messages and the content of your phone if they take custody of your phone, or later by warrant or subpoena.

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[–] wanderwisley@lemm.ee 55 points 22 hours ago (2 children)

Turn it off and leave it at home.

[–] NikkiDimes@lemmy.world 37 points 21 hours ago* (last edited 21 hours ago) (3 children)

Leave it on at home.

"Your honor, as you can see from my mobile device location history, I never even left my house that day."

Not that that'll actually work or that they'll care, but still...

[–] biggerbogboy@sh.itjust.works 2 points 2 hours ago

Even better, have your tv on the whole time, so if the tv sends telemetry data that's also linked to the phone, it'll show you were at home the whole time.

[–] ChairmanMeow@programming.dev 3 points 15 hours ago (2 children)

They likely have the data to show it didn't move at all. Eg it wasn't on your person.

[–] weariedfae@sh.itjust.works 8 points 7 hours ago (1 children)

You underestimate how much of a couch potato I am. Not moving is normal lol.

[–] ChairmanMeow@programming.dev 3 points 7 hours ago (1 children)

Even sitting on a couch moves your phone more than simply laying on a table. They can use accelerometer data to determine how, if at all, it moved.

[–] Zentron@sh.itjust.works 3 points 4 hours ago

For that , someone mentioned a roomba or straping it to a dogs collar..

[–] JayDee@lemmy.sdf.org 6 points 14 hours ago* (last edited 12 hours ago) (1 children)

Put a harness on your pet and put it on the harness. Boom, instant spoofing.

[–] MangoCats@feddit.it 4 points 12 hours ago

Movement data shows that you scratch your fleas a lot, you should do something about that.

[–] Vanilla_PuddinFudge@infosec.pub 4 points 19 hours ago

"I let my landlord borrow my car, though. He said it was important."

[–] ArchmageAzor@lemmy.world 7 points 21 hours ago (1 children)

Most modern devices track the phone even when it's turned off. If you can't remove the battery, leave it at home.

[–] MangoCats@feddit.it 2 points 12 hours ago (1 children)

When I shut the lid on my work computer I assumed it was "off" or at least inactive. My home network showed me it was continuing to "check in" throughout the night.

[–] RisingSwell@lemmy.dbzer0.com 2 points 4 hours ago

Closing the lid typically does sleep or hibernate, both of which can still be active. I've had many windows updates overnight with the lid closed.