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MC429467: Microsoft 365 Defender: Tenant Blocks via Admin Submission

We are excited to announce that in Microsoft 365 Defender, you can now block suspicious entities when submitting emails, URLs, or attachments for Microsoft to review.

This message is associated with Microsoft 365 Roadmap ID 98920.

Security teams can now block sender email addresses, domains, URLs and email attachments while making admin submission for email, URL and file attachment respectively.

MC429467: Microsoft 365 Defender: Tenant Blocks via Admin Submission

When this will happen

We will begin rolling out in late September and expect to complete by early October.

How this will affect your organization

This won’t affect your organization in any way other than making it easy to create blocks via Tenant allow/block list while making a malicious URL, email attachment or email submission.

What you need to do to prepare

You need to inform the individual or organization who is making submissions today. We recommend updating training documentation as appropriate. To learn more, please visit this page.

Message ID: MC429467
Published: 12 September 2022
Updated: 12 September 2022
Cloud instance(s): Worldwide (Standard Multi-Tenant), GCC, DoD, GCC High
Platform(s): US Instances, Web, World tenant

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