Tamper Protection – Windows Blog by Brink

Tamper Protection

Turn On or Off Tamper Protection for Microsoft Defender Antivirus in Windows 11

Tamper Protection in Windows Security helps prevent malicious apps from changing important Microsoft Defender Antivirus settings, including real-time protection and cloud-delivered protection. If Tamper Protection is turned on and you’re an administrator on your computer, you can still change these settings in the Windows Security app. However, other apps can’t change these settings.

Tamper Protection doesn’t affect how third-party antivirus apps work or how they register with Windows Security.

Tamper Protection is turned on by default. If you turn off Tamper Protection, you will see a yellow warning in the Windows Security app under Virus & threat protection.

This tutorial will show you how to turn on or off Tamper Protection for Microsoft Defender Antivirus settings in Windows 11.

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How to Turn On or Off Tamper Protection for Windows Defender Antivirus in Windows 10

Starting with Windows 10 build 18305, Microsoft introduced Tamper Protection.

Tamper Protection is a new setting from Windows Defender Antivirus, available in the Windows Security app, which when on, provides additional protections against changes to key security features, including limiting changes which are not made directly through the Windows Security app.

This tutorial will show you how to turn on or off Tamper Protection for key Windows Defender Antivirus security features in Windows 10.

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