Symantec Data Loss Prevention 12.5 through 15.1 supports the deployment of Data Loss Prevention servers on the Amazon Web Services infrastructure. You can deploy the following servers on the AWS infrastructure:
Enforce Server with Oracle database
Cloud Prevent for Email (Cloud Prevent for Microsoft Office 365)
Network Prevent for Web
Network Prevent for Email
See the attached guide for details.
Deploying Symantec Data Loss Prevention on Amazon Web Services (AWS) Infrastructure guide