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Ever get that uneasy feeling someone is reading your screen in the coffee shop? Microsoft is testing an answer in Windows 11 called Onlooker Detection.

Using the PC’s camera and AI, the feature spots unfamiliar eyes peering over your shoulder, flashes a discreet warning and can even instantly dim the display to obscure sensitive content.

It builds on Windows’ walk-away auto-lock, so there are no buttons or settings to manage—just automatic, hardware-based privacy where you need it most.