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FWIW the concern here isn't you taking a screenshot, it's that an illicit app in the background is screen recording your phone and sending it off.
by Mindwipe 4y ago
FWIW the concern here isn't you taking a screenshot, it's that an illicit app in the background is screen recording your phone and sending it off.
- yencabulator 4y agoWell prevent that then. That's undesirable outside of banking apps. (On Android, you can only get into that swamp by opting in to "accessibility" features, which specifically need access to screen contents.)
- Mindwipe 4y agoYou prevent that by stopping any software in userland from being able to access the video path, which is an all or nothing thing. Accessibility is only required if the app doesn't have system permissions, or if it's not carried out a privilege escalation. Though granted a privilege escalation might also be able to gain root to turn off setting a secure surface too (that's not enough to get past Widevine if that's been used but banks generally are not).