All Mac users need to install antivirus software to improve our security on the network. The new software for Mac's is CrowdStrike antivirus. Additionally, if you already have Trend Micro installed, it is important to install the new software. The change from Trend Micro to CrowdStrike will resolve known issues with MacOS Catalina. Read the announcement and installation instructions here.
CrowdStrike does not have a user interface and runs silently in the background.