http://www.emsisoft.com/en/kb/articles/tec080424Dictionary of Computer Security Terms
When browsing the Emsi Software web pages you may encounter terms that need further explanation. These terms are explained in the following short reference. All terms with hyperlinks have a more detailed article available.
I've just downloaded a couple of free apps to try off that link.
HiJackFree, and Anti-Dialer.
If anyone has any experience with these, I'd like to hear it, as they're new to me. Of course they'll be given a run under Returnil.