this post was submitted on 16 Jul 2024
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It’s never been easier for the cops to break into your phone (www.theverge.com)
submitted 8 months ago by jeffw@lemmy.world to c/technology@lemmy.world
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[–] CoolGirl586@lemmy.world 1 points 8 months ago (2 children)

Oh, I did a dumb. Capacitive readers use the body's natural electrical signal to form an image of your fingerprint. You can trick them by using something conductive and running the right amount of electricity through.

Dead people don't work though. Not for very long at least.

[–] piecat@lemmy.world 6 points 8 months ago

Capacitive sensors don't measure the body's signals. Capacitance is a physical property of a material. The sensor puts out a signal and measures the response.

I can use a gallon of milk to scroll my phone. Just tried.