5 Security Software Myths That Can Prove Dangerous
Here is an interest article that summarizes some common myths concerning net security: 5 Security Software Myths That Can Prove Dangerous.
Forum Discussion
If you want to go industrial on Linux, there are things like Snort and OSSEC, which are pretty powerful intrusion detection systems. You can also try Rootkit Hunter, but for a desktop, a lot of this stuff is way overkill. A server, on the other hand, must be open to outside access.
