Home-user Tips
(Excerpted from http://www.nipc.gov/warnings/computertips.htm)
-  Use strong passwords. 
 -  Make regular backups of critical data. 
 -  Use virus protection software. 
 -  Use a firewall as a gatekeeper between your computer and the Internet.
 -  Do not keep computers online when not in use.
 -  Do not open e-mail attachments from strangers or suspicious attachments.
 -  Regularly download security patches from your software vendors.