McAfee is giving away a free 6 months subscription for their antivirus, VirusScan Plus. It protects PCs from viruses, spyware, and includes a firewall to protect against hacker attacks.
There is no information on how long the offer will last, so it is best to download it right away while it’s still available.
1. Go to this [...]

Symantec had release the beta test version of its Norton Antivirus 2010 and Norton Internet Security 2010, in hope to gather feedback from its beta tester on features, usability, and bugs.

Be one of the first to try Norton AntiVirus 2010!
This beta test version of Norton AntiVirus 2010 is the fastest, most proactive protection against viruses, [...]

Missed the free McAfee subscription promotion? Worry not, as there is yet another free 1-year subscription of a powerful commercial security software.
PC Tools is having a special offer giving away free 12 months subscription of PC Tools Internet Security 2009 (worth $59.95) to all Westpac customers. But surprisingly, the promotional page is not locked from [...]

20th Feb 2010: Free 6 months subscription of McAfee Antivirus.
Christmas came early this year. After optimizing your computer with the free TuneUp Utilities 2007, you can protect your computer from virus infections, spywares and such by having a 1-year subscription of the popular McAfee VirusScan Plus Firewall and AntiSpyware for free (worth $39.99).