How do I know if someone has physically accessed my phone? (lemm.ee)

submitted 1 year ago* (last edited 1 year ago) by Hamano@lemm.ee to c/technology@lemmy.world

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Hello ! I hope I'm at the good place. A friend of mine asked me :

How do I know if someone has physically accessed my phone? Knowing that this person knows my unlock code. Also, how do I know I'm not being spied on remotely?

I didn't have the answer and thought I might as well ask there. Thank you.

EDIT : His phone is a Samsung Z Fold 3 is that can help !

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[-] fubo@lemmy.world 16 points 1 year ago

There are apparently some apps for this specific case, like WTMP "Who Touched My Phone". I haven't used it, though.

[-] GrayBoltWolf@lemmy.world 11 points 1 year ago

If they have your passcode then no? Why would you give your passcode to someone you don’t trust?

[-] Hamano@lemm.ee 6 points 1 year ago

I don't know, I don't have all the details. But people you trust today might not be worthy of trust tomorrow, I guess.

[-] elscallr@kbin.social 14 points 1 year ago

At this point I'd back up your photos, etc, and factory reset the phone. Then use a different passcode. Don't forget to back up MFA credentials so you can get into your Google account after the reset.

[-] Lantern@lemmy.world 4 points 1 year ago

It would depend on the type of phone. Is it an iPhone or Android?

[-] Hamano@lemm.ee 3 points 1 year ago* (last edited 1 year ago)

It's an Android.

EDIT : A Samsung Z Fold 3 to be more precise.

[-] Lantern@lemmy.world 7 points 1 year ago

Check for apps that are running in the background after you have closed everything.

[-] Hamano@lemm.ee 6 points 1 year ago* (last edited 1 year ago)

From what I understood, it didn't just happened. A certain person knows things about him that he never told, or something like that.

Thanks for the suggestion, though. That's a nice idea.

[-] Lantern@lemmy.world 8 points 1 year ago

It could be semi-public details. A google search and someone’s social media can give you a lot of information on a person, depending on how safe their internet practices are. Generally all you need are two or three details to find out more personal information if you wanted to.

[-] jet@hackertalks.com 2 points 1 year ago

You can never know. If there's ever a doubt, do a factory reset and start from scratch. Keep the phone secure keep the password safe. Use biometrics to reduce your risk surface of people shoulders surfing your code.

The same goes for any computer once it's been compromised you can't trust it at all. If you want to be safe you start from scratch

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this post was submitted on 19 Jul 2023

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