In order to ensure that your PC is protected from malware, it helps to run a few tests. Auditmypc.com offers just that: a handful of free, relatively quick self-assessments. Options include testing the strength of your firewall and your protection against pop-ups.
In Information Security Governance Simplified, author Todd Fitzgerald provides an excellent overview on how security managers can create an effective information security program without breaking the bank. He shows the reader how to create a governance program that includes all of the necessary managerial, technical, and operational controls.