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The Potentially Unwanted Applications (PUA) protection feature in Microsoft Defender Antivirus can identify and block PUAs from downloading and installing on endpoints in your network. These applications aren't considered viruses, malware, or other types of threats, but might perform actions on endpoints that adversely affect their performance or use.
Prerequsites
- Enable PUA protection. For more information, see the Detect and block Potentially Unwanted Applications article.
- You can also download and use the PowerShell script to enable this setting and others.
Supported operating systems
- Windows 11 or Windows 10
- Windows Server 2022
- Windows Server 2019
- Windows Server 2016
- Windows Server 2012 R2
- Windows Server 2008 R2 SP1
- macOS
- Linux
Scenario
- Go to http://www.amtso.org/feature-settings-check-potentially-unwanted-applications/
- Click "Download the Potentially Unwanted Application 'test' file" link
- After downloading the file, it's automatically blocked and prevented from running.
See also
Detect and block Potentially Unwanted Applications
Microsoft Defender for Endpoint - demonstration scenarios
Tip
Do you want to learn more? Engage with the Microsoft Security community in our Tech Community: Microsoft Defender for Endpoint Tech Community.