Apple's Mac computers have long held the reputation of being resistant to the plague of computer viruses that are constantly bombarding PCs. While some believe it's because the Mac Operating System is simply more secure, the real reason is that hackers have simply preferred to go after the most widely used platform, and that's Windows. Now with Macs gaining market share, viruses and malware affecting Apple computers are on the rise.
Types of Viruses
Several types of viruses can infect a Mac computer. Viruses that exploit security flaws in Microsoft Office can also infect Mac when the programs are used on those machines. Browser plug-ins for viewing animated Flash and PDF files can also harbor potential dangers, as can Java vulnerabilities. Downloading infected files that contain trojan horses, spyware and worms from torrent, pirated software, game or adult websites can also infect Macs.
Protection
Several companies make virus software to protect Mac computers. Major security companies like Symantec, McAfee, and Intego all make products aimed at protecting Macs from viruses. The programs can be bought retail or downloaded directly from their company websites. If you are already infected with a virus, they also offer virus-removal tools independently of the software package.
Prevention
The best way to prevent your computer from being hit by a virus is to use common sense and caution. Do not visit websites that you do not know are secure. Never open attachments in email without knowing who they are from and running the file through a virus scanner with the most up-to-date virus definitions. Download security updates for your operating system and Internet browser on a regular basis and do not download files from torrent sites or unofficial websites.
Considerations
Whether it's Windows or Mac, installing and running anti-virus software isn't always problem-free. There have been cases where anti-virus software has caused problems on the Mac OS, although the software companies have been quick to issue patches to correct the issues. Some of these problems have created more vulnerability than before installation. Still, the main problems remain the same on both platforms, decrease in system performance and false positive and negative results. Especially with Mac viruses on the rise, you'll likely be better off installing protection than going without it, especially if you spend a lot of time online.
Freeware and Shareware
If you prefer not to purchase anti-virus software from a company like Symantec or McAfee, there are several freeware and shareware options for you to try. ClamXav is the most popular free virus scanner and iAntiVirus offers both free and paid virus scanners. Leopard Cache Cleaner is shareware that provides low-cost virus protection for downloaded files. See Resources for even more options.
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