Third-Party Disk and Virus Tools
Although Tiger provides a number of tools for recovering from system trouble, there are certain issues that the supplied tools cannot deal with. If you've been using a Mac for a few years and have ever run the Apple Disk Repair tools, you've almost certainly run across an instance of the repair process stating Disk Repair cannot fix this problem. The usual reaction (immediately following the “Oh, poop!”) is, “Well, what can solve the problem?”
Likewise, when it comes to viruses, Tiger provides virtually no protection. Only members of .Mac get virus protection with their systems. The rest of us either take our chances or are forced to install additional software to get any level of protection.
Let's take a look ...