Hackers Use Google's Ad Network To Spread "Fake Login" Malware

So-called "overlay malware," which impersonates other apps' login screens, is becoming increasingly prevalent.

So-called "overlay malware," which impersonates other apps' login screens, is becoming increasingly prevalent.

For years, security firms have warned of keystroke logging malware that surreptitiously steals usernames and passwords on desktop and laptop computers.

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