cms security

lots of info about wp security and cms in general, comments contains lots of info. beware ftp hacks, on your actual pc, you infecting the sites from your pc... (keep pcs very secure)

http://www.prelovac.com/vladimir/warning-website-virus-attack

wp security plugins

http://wayan.web.id/9-best-wordpress-security-plugins.html

protecting wp-installations... IMPORTANT

http://www.mattcutts.com/blog/three-tips-to-protect-your-wordpress-installation/