Antivirus Software for Macs
Although Macs arev far less vulnerable that PCs to virus attacks they are not immune. The advice from CiCS is to install Sophos Antivirus on your Mac.
Sophos for University Owned Macs
If your Mac is owned or leased by the University you should install the corporate version of Sophos, compatible with OSX 10.4-10.8 (Tiger-Mountain Lion) Installation file and instructions available via links below.
Sophos for Personally Owned Macs
If your Mac is owned by you, you should install the personal version of Sophos, also compatible with OSX 10.4-10.8 (Tiger-Mountain Lion) Installation file available via link below.