Pixel-stealing “Pixnapping” attack targets Android devices

Researchers at US universities have demonstrated how a malicious Android app can trick the system into leaking pixel data. That may sound harmless, but imagine if a malicious app on your Android device could glimpse tiny bits of information on your screen—even the parts you thought were secure,...

Pixnapping: Bringing Pixel Stealing out of the Stone Age

Pixel stealing attacks enable malicious websites to leak sensitive content displayed in victim websites. The idea, introduced by Stone in 2013, is to embed victim websites in iframes and use SVG filters to compute on, and create side channels as a function of, those websites' pixels. Fortunately,...