If you need to collect submission IDs to submit to Microsoft support, follow these steps.
In the Microsoft 365 Defender portal at https://security.microsoft.com, go to the Submissions page at Actions & submissions > Submissions. To go directly to the Submissions page, use https://security.microsoft.com/reportsubmission.
On the Submissions page, select the URLs tab
- Double click on the row containing the desired Submission
- Under Submission Details copy the Submission ID