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title: Microsoft Defender for Endpoint SmartScreen app reputation demonstration description: Test how Microsoft Defender for Endpoint SmartScreen helps you identify phishing and malware websites search.appverid: met150 ms.service: defender-endpoint ms.subservice: ngp ms.author: lwainstein author: limwainstein ms.reviewer: yongrhee ms.localizationpriority: medium manager: bagol audience: ITPro ms.collection:

  • m365-security
  • tier2
  • demo ms.topic: article ms.date: 10/20/2025 appliesto:
    • Microsoft Defender for Endpoint Plan 1
    • Microsoft Defender for Endpoint Plan 2
    • Microsoft Defender for Business

SmartScreen app reputation demonstration

Test how Microsoft Defender for Endpoint SmartScreen helps you identify phishing and malware websites based on App reputation.

Prerequisites

  • Microsoft Edge or Internet Explorer browser required.

Supported operating systems

  • Windows 11
  • Windows 10
  • Windows Server 2016 and later
  • Windows Server 2012 R2
  • Windows Server 2008 R2
  • Azure Stack HCI OS, version 23H2 and later.

Scenario Demos

Known good program

This program has a good reputation; the download should run uninterrupted:

  • Known good program download

    Launching this link should render a message similar to the following:

    :::image type="content" source="media/smartscreen-app-reputation-known-good.png" alt-text="Based on the target file's reputation, SmartScreen allows the download without interference.":::

Unknown program

Because the program download doesn't have sufficient reputation to ensure that it's trustworthy, SmartScreen will show a warning before running the program download.

  • Unknown program

    Launching this link should render a message similar to the following:

    :::image type="content" source="media/smartscreen-app-reputation-unknown.png" alt-text="SmartScreen doesn't have sufficient reputation information about the download file, and warns the user to stop or proceed with caution.":::

Known malware

This download is known malware; SmartScreen should block this program from running.

  • Known malware

    Launching this link should render a message similar to the following:

    :::image type="content" source="media/smartscreen-app-reputation-known-malware.png" alt-text="Screenshot showing how SmartScreen detects a file download with an unsafe reputation; the download is blocked.":::

Learn more

Microsoft Defender SmartScreen Documentation

See also

Microsoft Defender for Endpoint - demonstration scenarios