SIT offers a two-level antivirus service
|Where it acts||What it monitors||What it scans for||What action it takes|
|Incoming and outgoing messages||Viruses||Described here: https://support.google.com/mail/answer/25760?hl=en
|User PCs||Messages and files on user computers (on Windows only)||Viruses (including inside compressed files)||Infected files and attachments are put in quarantine|
Quarantined files may be restored, when requested.
The above antivirus systems are automatically installed and upgraded on all managed Windows PCs and no configuration or user maintenance is required.