Roger A. Grimes has an amusing article outlining the main indicators that you are a computer security geek, although Roger is more polite in the title of his post “Are You a Computer Security Professional?”

Have a look at the list and see if any of them apply to you<g>

One that is missing;

Despite not having Internet access you resist all temptations to use public Internet kiosks or Internet cafe PCs to check your online bank details or your email.