Wordpress announces that there was a "Security Incidence" with their software.
The "Incidence" described is a low-level issue where the servers were compromised. Not a great way to start the day.
Please take the time to follow any and all suggestions if you or someone you knows runs this software.
This is the link:
http://en.blog.wordpress.com/2011/04/13/security/?utm_source=twitterfeed&utm_medium=twitter