Supress all notifications on RDS environments
Users on RDS servers visiting websites marked as "Malicious" receive a server-wide pop-up from Sophos Endpoint protection.
"Desktop Messaging for Threat Protection" has been turned off on the policy but users still receive the warning in the lower-right corner of their screen in the RDS environment.
Because of privacy reasons and GDPR this is unwanted behavior, if one users visits a "Malicious" website all the users receive the warning including the visited link.
This is marked as a "Known issue" at the following link:
The feature would be to be able to disable the notifications for the categories: Malicious downloads, CryptoGuard and Data Loss Prevention.