If you have a WordPress website you want to watch this video.
This is a webinar that was hosted yesterday by iThemes, the company behind the popular BackupBuddy plugin.
The presenter was security expert, Dre Armeda, from Sucuri Security.
The webinar is loaded with information for preventing malicious malware attacks and for making WordPress websites secure.
If you prefer to watch a shorter presentation, Dre Armeda gave a presentation in WordCamp Chicago few month ago.
You can watch it here: http://wordpress.tv/2011/11/19/dre-armeda-wordpress-end-user-security
If you want to check one of your site for malware Sucuri offers a free scan on their home page