BitDefender Antivirus for Mac and Windows is an affordable, easy-to-use security solution that protects Mac OS X and Windows systems against viruses and phishing scams.
Note:
BitDefender Antivirus for Mac and Windows 1 user: 1 license for Mac and 1 license for Windows
BitDefender Antivirus for Mac and Windows 3 users: 3 licenses for Mac and 3 licenses for Windows
BitDefender Antivirus 2012 Pro for Mac and PC (with Multi-Years Multi-Users Option)

Bitdefender®, the award-winning provider of innovative antivirus solutions, won the AV-TEST award for 2011, reaffirming the company’s industry-wide leadership in protecting users from e-threats.

AV-TEST’s Best Protection 2011 Award for home users follows a series of awards throughout 2011 that have consistently placed Bitdefender ahead of all competitors in quality of protection. The award marks the debut of annual awards by AV-TEST Institute, the Magedeburg, Germany-based security software analysis firm recognized as an authority by Bitdefender and all competitors.

Bitdefender won a total rating of 80.5 points in three categories of tests, ahead of nearest competitor Kaspersky, with 78 points, and third-placed F-Secure, with 77.5. Panda took 71.5 points while Symantec received 71 points. Testing covered protection, removal of threats and usability. Bitdefender led the Protection category with 29.5 points – a full point ahead of Kaspersky, and placed second in removal and usability.more...http://www.bitdefender.com/news/bitdefender-wins-best-protection-2011-in-av-test-annual-awards-2357.html