Windows 11 Privacy Features: New Onlooker Detection to Stop Screen Snooping

We’ve all been there—you’re working in a coffee shop, on a train, or even at the airport, and you get that unsettling feeling… someone’s watching your screen.

It’s not just uncomfortable—it’s a real security risk, especially if you’re handling sensitive business data, personal information, or confidential client files.

Soon, Microsoft may have a built-in solution.

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Meet “Onlooker Detection”

According to reports from Windows 11 preview builds, Microsoft is testing a new privacy feature called Onlooker Detection.

Its purpose? Exactly what it sounds like—detect when someone is trying to glance at your screen and take action to protect your privacy.

This builds on an existing feature called Presence Sensing, which can already dim or lock your screen when you step away and wake it up when you return (powered by Windows Hello for seamless logins).

Onlooker Detection takes it further:

• Warns you when someone is behind you
• Dims your display to make it harder for others to read
• Can do both at the same time

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What You’ll Need for This to Work

This privacy boost isn’t just software—it needs the right hardware, too. Specifically, a Human Presence Detection (HPD) sensor, found in many newer laptops with chips from Intel, AMD, or Qualcomm.

Not sure if your device supports it? Go to:
Settings > System > Power & battery and look for presence-sensing options.

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Why This Matters for Businesses and Remote Workers

With hybrid and remote work now the norm, professionals are working from more public spaces than ever. That means a greater chance of prying eyes—whether intentional or accidental.

The cost of a data breach or leaked client information can be massive, both financially and in terms of reputation. Even a simple glance at the wrong time could expose confidential plans, passwords, or emails.

This kind of built-in, automatic protection could help reduce that risk—without you needing to constantly think about who’s behind you.

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When Will You See It?

While Microsoft hasn’t officially announced the release date, the feature has been spotted in Windows 11 Insider Preview builds, which suggests it’s on the horizon.

It’s another step toward making Windows 11 not just faster and more efficient, but more secure and private for professionals and everyday users alike.

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Privacy is more important than ever, and features like Onlooker Detection are a welcome addition. But technology alone isn’t enough—employee awareness and security best practices still matter.

If you want to ensure your devices, software, and people are protected, our team can help.