Over two dozen HP laptop models have been secretly recording users’ keystrokes, possibly by mistake, according to a Swiss security firm.

The keylogger is found within the PCs’ audio driver software and has existed since at least Dec. 2015, the security firm Modzero said in a Thursday blog post.   

The audio driver was designed to identify when a special key on the PC was used. But in reality, the software will capture all the keystrokes and write them in an unencrypted file located on the laptop.

In other cases, the keystrokes will be passed to a Microsoft Windows debugging interface on the PC, and expose them to possible capture, Modzero said.      

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