Comcast US has switched vendors from McAfee to Norton Anti-Virus, and now offers the Norton Suite free to its Apple Macintosh subscribers.
Including Norton Anti-Virus, their own version of a Firewall, Phishing protection, and Norton Confidential which protects your personal data.
Login to Comcast with your eMail address, and password, click 'More...' option (down the left-hand side of the screen) and click 'Computer Security...' to goto the information page to download.
Reboot as directed, then run 'LiveUpdate' from Applications > Symantic Solutions to download the latest updates.
