You might want to check this out...

[chief]

Apparently hackers have recently exposed the personal info for about 400,000 folks. The email addresses belong to yahoo.com, gmail.com, hotmail.com, aol.com, comcast.com and msn.com. Also some .gov  and military emails were exposed.

You can check your email addresses at:http://labs.sucuri.net/?yahooleak.
Get more of this story at:  http://blog.sucuri.net/2012/07/analysis-of-yahoo-voice-password-leak-453441-passwords-exposed.html