Safe Attachments Policy

Safe Attachments Policy

Purpose: Prevent malware from being delivered through email attachments by sandboxing them.

Steps to Create a Safe Attachments Policy

1. Go to Microsoft 365 Defender Portal > Threat Policies > Safe Attachments.
2. Click +Create and select Safe Attachments Policy.
3. Configure the policy:
   • Name: E.g., “Safe Attachments Policy”.
   • Turn on ATP for attachments delivered in email: Enable this.
   • Monitor, block, or replace: Select Block or Replace to quarantine malicious attachments.
   • Enable Dynamic Delivery: Allows the email to be delivered without the attachment until it is scanned.
4. Assign to users or groups.
5. Save and review the policy.