All Macs are required to have an anti-virus software installed.
Use AVG for Macs (to go avg.com and click download for Mac).
AVG install won't run on a MAcbook Pro or Air, try the following:
- From the Apple menu, open System Preferences
- Select Security & Privacy
- You may have to click on the padlock and enter your computer's password to make changes.
- AVG should appear near the bottom of the window, click "Open Anyway' for it to run.
- Exit Security & Privacy.
NOTE: Once a laptop has failed the FortiNAC (Network Access Control) scan on GUWireless, that laptop will continue to have wifi access to download windows updates or anti-virus software or anti-virus definitions.