OVERLAY Posts on XDA

Cloak And Dagger Exploit uses Overlays and Accessibility Services to Hijack the System

What we at XDA once envisioned as a proof of concept security vulnerability has now been confirmed by computer scientists at the Georgia Institute of Technology in Atlanta. The team details what they call "cloak and dagger" exploits which can take over the UI of most versions of Android (including 7.1.2). Given it's nature, it...

Android O is Breaking Apps that Overlay on top of the Status Bar

The trickle of posts outlining new user-facing features found in Android O is starting to slow down now that users have had weeks to test the software on their device. However, there are many, many changes made under-the-hood that are slowly being uncovered. We posted about one such change just the other day about Nexus...

How Tapjacking Made a Return with Android Marshmallow — and Nobody Noticed

While many of us salivate over the newly released Android Nougat for Nexus devices, the vast majority of users are still on Android Marshmallow. An exploit the existence of which has been documented since at least the middle of 2015 is still affecting many modern Android devices. Malicious applications are able to tapjack your actions into granting them a...