Privacy and Security of Untrusted Apps (Closed Source) - The correct way?

Hello all,

we both have a Fairphone 5 running e/OS 3.6 stable. Until now, we’ve been using only open-source apps, with the exception of two. For other apps, we had (it’s broken now) a separate smartphone that was only at home and operated behind a firewall (UTM).

I just installed the “Amazon Video” app for a test. Nice. About 800 blocked trackers per day.

Now my question: Is it even possible to maintain privacy anymore when I install closed-source apps on our phones? For example, ÖBB (train app), Booking, Amazon, FamilyAlbum, or Google Lens?

Basically, the apps are sandboxed. But they can still see telemetry data like IP, possibly location, etc. but no data from other apps. A great example would probably be Facebook (thank goodness I don’t have an account) if I don’t explicitly grant the app access to my contacts, it can’t access that data, right?

I would only grant the apps the most essential permissions. And then the idea was to deactivate the app if I only need it once a month, for example, so it can’t start up. But I haven’t found a feature like that yet.

The last option would be to create a separate user profile just for those apps. Which, of course, makes using them more cumbersome.

What do you think?

Thanks a log :slight_smile:

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