AT&T Inc., the largest U.S. telephone company, notified some of its customers of an effort to break into their online accounts.

�We recently detected an organized and systematic attempt to obtain information on a number of AT&T customer accounts, including yours,� AT&T said in an e-mail to customers. �We do not believe that the perpetrators of this attack obtained access to your online account or any of the information contained in that account.�

(Source: Bloomberg)