Be careful, apps can still communicate with other apps, e.g. revoking the network permission doesn't stop apps from fetching and displaying ads over the network. I don't know enough about Android internals to understand the mechanisms behind it, but clearly there are ways for apps to exfiltrate data.
> Trying to use Network as a complete data exfiltration toggle isn't the intended purpose, and you should always consider apps within the profile being able to communicate for ALL data and access including permissions. It is not something only relevant to Network.
alt Hacker News
> by revoking network you don't lose privacy
Be careful, apps can still communicate with other apps, e.g. revoking the network permission doesn't stop apps from fetching and displaying ads over the network. I don't know enough about Android internals to understand the mechanisms behind it, but clearly there are ways for apps to exfiltrate data.
> Trying to use Network as a complete data exfiltration toggle isn't the intended purpose, and you should always consider apps within the profile being able to communicate for ALL data and access including permissions. It is not something only relevant to Network.
https://discuss.grapheneos.org/d/4024-in-what-extent-can-app...
https://github.com/GrapheneOS/os-issue-tracker/issues/2197