How do you check your security on your computer?

Answer:
Use Internet Explorer for about a week. If you don't get any viruses then your good.

Actually there is no real way to be sure. Make sure you have a decent anti-virus, don't use IE, and make sure your network is at least running WPA.
First answer by Paramancheros. Last edit by Paramancheros. Contributor trust: 0 [recommend contributor recommended]. Question popularity: 1 [recommend question].