
For more information, see how to report a site. Users are given the option of reporting a site as safe or unsafe within the warning message. The next screenshot shows an example of a Microsoft Defender SmartScreen warning page when a user tries to open a malicious website. If Microsoft Defender SmartScreen determines that a page is malicious, it will show a warning page to notify the user that that site is reported as unsafe.

Understand how Microsoft Defender SmartScreen worksĪ number of inputs contribute to Microsoft Defender SmartScreen warnings. Blocking URLs associated with potentially unwanted applications.Management through Group Policy and Microsoft Intune.Improved heuristics and diagnostic data.Reputation-based URL and app protection.These benefits are described in detail in the Microsoft Defender SmartScreen documentation. Microsoft Defender SmartScreen provides several benefits, which are summarized in the following list.

The benefits of Microsoft Defender SmartScreen Before Windows 10, version 1703, this feature was called the SmartScreen filter when used within the browser and Microsoft SmartScreen when used outside of the browser.
