They released the dump under the name “censored” , but they neglected to clear the HOSTNAME field in the MySQL information, exposing the server name: dbb1.ac.bf1.yahoo.com.
To check whether you are hacked or not visit following link below
http://dazzlepod.com/yahoo/
The following link has been made available by hackers to download the dumb file
http://d33ds.co/archive/yahoo-disclosure.txt
Meanwhile, Yahoo! has appointed ex-googler Marissa Mayer as its 3rd CEO in a span of one year. 37 year old Mayer joins Yahoo! at a time when the internet giant is struggling to regain its foothold as social websites like Facebook and Twitter grow.
