Creating Indicators for Microsoft Defender SmartScreen on Edge Browser (Microsoft Defender)

"Creating indicators for Microsoft Defender SmartScreen" is a technical task aimed at improving or customizing how the SmartScreen security filter works in the Microsoft Edge browser.

With this feature, you can set up custom rules to allow or block specific domains, URLs, or files, even if they haven't been classified by Microsoft yet. This way, administrators can change how SmartScreen behaves to better fit their organization's security needs.

When Microsoft Defender SmartScreen blocks a link, this is what users will see when clicking on links in simulation emails:

Here's a step-by-step guide to bypass this block.

Step-by-step procedure:
 

1. Log in to the Microsoft Defender console

2. Go to "Settings > Endpoints > Rules > Indicators", click on the "URL Domains" tab, and then click "Add item":

3. Enter the sender domains as shown in the image below, fill in all required fields, and click "Next":

The full list of sender domains is available on the platform in the section:
"HELP > Support - Knowledge > Click here to download whitelisting additional informations"

4. Check the "Allowed" box and always click "Next". Finally, click "Submit":