Panda Antivirus 2007 is one of the lowest-priced products in this category, yet it still manages to provide the major tools that many individuals need: antivirus, anti-spyware and anti-phishing. In addition, the license allows you to install the application on two computers in your home.

Norton AntiVirus 2007 is light years ahead of earlier versions. It's so improved that if you didn't consider Norton AntiVirus products in the past, because of something you heard or read, it's time to give the product another chance.

Norton AntiVirus for Macintosh is the world's most trusted antivirus solution for Macintosh systems. It automatically removes viruses, worms, and Trojan horses from email attachments, file archives, Internet downloads, and other sourceswithout interrupting the user's work. The solution detects and removes Macintosh, PC, and macro viruses to ensure users do not spread infections to other employees via email or the corporate network.

Viruses, worms, Trojan horses, spam and other unwanted email content are best kept outside the corporate gates, stopped at the first point of entry. Symantec AntiVirus for SMTP Gateways provides reliable Internet email gateway protection by scanning for viruses and blocking unwanted content such as spam - across Windows and Solaris platforms, with minimal latency.??Viruses transmitted via email are notoriously fast spreading and need to be stopped at each network level.

Having improved a lot last year in Symantec's flagship antivirus product, it makes sense we'd see more modest enhancements for this year's Norton AntiVirus. As we await final code and therefore test results on the overall performance of this year's version, the new interface and features alone do not suggest an automatic KO in our latest antivirus roundup of 2008 products.

Symantec has introduced Norton AntiVirus 11 for Mac, featuring support for Mac OS X 10.5 Leopard. The software furnishes vulnerability protection technology, which watches the web application layer. Norton AntiVirus automatically detects and removes viruses, scans and cleans downloaded files and email attachments, and protects against software vulnerabilities.

Norton AntiVirus 2002 provided stellar performance on a P4 with 256Mb of RAM and over 20Gb of available hard disk storage. Conversely, on a P3 with 64Mb of RAM and less than 100Mb of available hard disk storage (after installation), adverse performance impact was quite noticeable. If your system can handle it, Norton provides very good protection.

BitDefender 9 Standard is inexpensive, easy to use, and effective at detecting malware threats; as a result, it earned PC World's Best Buy distinction in "The New Virus Fighters" roundup of ten antivirus products.

Worm attacks are hitting users of the company's corporate antivirus software, including older versions of Symantec Client Security and Symantec AntiVirus Corporate Edition. Unlike Symantec's consumer products, the corporate antivirus software doesn't include automatic product updates.

On Tuesday, Symantec admitted that all versions of Norton Anti-Virus (NAV) contain a security vulnerability that could allow a malicious user to remotely take control of the computer. This kind of announcement is common to Windows users but this flaw also affects NAV running on Apple's OS X platform.