Yahoo acknowledged late Thursday that its email service has been compromised by a "coordinated effort" to gain usernames and passwords to Yahoo Mail accounts.
http://www.chicagotribune.com/business/technology/chi-yahoo-email-hack-20140131,0,503685.story
http://www.chicagotribune.com/business/technology/chi-yahoo-email-hack-20140131,0,503685.story