Procedure

1. Go to Agents → Outbreak Prevention.
2. In the agent tree, click the root domain icon () to include all agents or select specific domains or agents.
3. Click Start Outbreak Prevention.
4. Click any of the following outbreak prevention policies and then configure the settings for the policy:
   • Limiting/Denying Access to Shared Folders
   • Blocking Vulnerable Ports
   • Denying Write Access to Files and Folders
   • Denying Access to Executable Compressed Files
   • Creating Mutual Exclusion Handling on Malware Processes/Files
5. Select the policies you want to enforce.
6. Select the number of hours outbreak prevention will stay in effect. The default is 48 hours. You can manually restore network settings before the outbreak prevention period expires.

   WARNING Do not allow outbreak prevention to remain in effect indefinitely. To block or deny access to certain files, folders, or ports indefinitely, modify endpoint and network settings directly instead of using Trend Micro Apex One.

7. Click Start Outbreak Prevention.
   The outbreak prevention measures you selected display in a new window.
8. Back in the Outbreak Prevention agent tree, check the Outbreak Prevention column.
   A check mark appears on endpoints applying outbreak prevention measures.