Researcher Michael Myng found a deactivated keylogger in a piece of software found on over 460 HP laptop models. A full list of affected laptops is here. The keylogger is deactivated by default but could represent a privacy concern if an attacker has physical access to the computer.

“Some time ago someone asked me if I can figure out how to control HP’s laptop keyboard backlight,” wrote Myng. “I asked for the keyboard driver SynTP.sys, opened it in IDA, and after some browsing noticed a few interesting strings.”

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