McAfee is one of the oldest and most well-known security software vendor, and thankfully also one of the most generous company frequently providing extended trial-version of their leading products. This time the company is giving-away free fully-functional six month subscription of "McAfee Internet Security 2011" to facebook users.
With thousands of new viruses created every day, relying on traditional security
updates isn’t enough anymore. McAfee® Internet Security instantly detects and
blocks viruses—and stops web threats before they are downloaded to your PC.
Reengineered to be faster than ever before, the software’s innovative design
simplifies your Internet security experience while offering comprehensive protection. With McAfee Active Protection™ technology the software can instantly analyze and block new and emerging threats in milliseconds so there's no gap in your protection. Detecting more threats on your PC than ever before.