this post was submitted on 12 Sep 2026
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Signal failed to prevent soneone from accessing my unlocked phone and starting Signal! Everything was right there!
On iOS you can set an app to require additional credentials to open, to prevent this situation. I'd imagine Android had something similar. I did it for all my important apps, just in case. Don't want someone able to access my bank account ~~or nudes~~.
You can lock Signal. It's in it's privacy settings.
Just poked around. As far as I can tell there aren't any options to require additional credentials to open an app on android. Im on a pixel 10 running android 17. However there is a locked "app drawer" that hides the apps from your home screen/ main app drawer that you need to have an additional password to access.
It s litteraly on the signal option "Require acces code to open signal"
Some Android devices has app lock build in.
There's Private Space, but that's not ideal for a general-purpose messaging app because notifications are suspended when the space is locked. Signal also has the option to require the same authentication method as your screen lock in order to access the app.
All of this is great, but there's literally nothing stopping the next article from saying "user who left their phone unlocked with signal also unlocked 'got hacked'"