O365 Email Anti-Malware Policy Creation Procedure

This admin procedure will provide background information on creating an anti-malware threat policy that will monitor malware detection for inbound and outbound mail flow.

This article is intended for employees of organizations that use Sittadel's security. Additionally, there are some actions that can only be accomplished by those with administrative privileges.

Anti-Malware Threat Policy

The purpose of an anti-malware policy is to prevent and address computer virus, worm, spyware, malware, and other types of malicious software. The policy is intended to help prevent damage to user applications, data, files, and hardware. Anti-malware policies control the settings and notification options for malware detections.


Procedure Scope: Administrators

Required Group Membership: Admin.EmailSecurity


Creating an Anti-Malware Threat Policy

  1. Navigate to Anti-Malware – O365 Defender, and select Create.
  2. Provide the basic information to the policy such as name and description, should explain the policies’ purpose and scope of effect. Select Next to continue.
  3. Next you will be able to supply assignments or exclusions to internal users, groups, and domains. Select Next to proceed.
  4. A list of all the possible configuration settings will be listed, make sure to apply the necessary settings to fit the needs of your organization. Select Next to continue.
  5. The review page will allow you to see all configured settings for the device control creation process, if you detect a discrepancy at this stage make note of the section and select Back to make alterations before finalization. If everything checks out, select Submit to publish the policy.
  6. A prompt will be displayed detailing that the policy has been created and has been put into immediate effect. Select Done to finalize the creation process.

You're Finished!

You should have successfully created a new anti-malware threat policy that will enforce malware detection settings on inbound and outbound mail flow. For any other problems or questions, reach out to us!