UPDATE 3-U.S. government says hackers trying to exploit 'Heartbleed' bug
April 11, 2014 at 15:30 PM EDT
BOSTON, April 11 (Reuters) - The U.S. government warned banks and other businesses on Friday to be on alert for hackers seeking to steal data exposed by the "Heartbleed" bug, as a German programmer took responsibility for the widespread security crisis.