U.S. senators accuse Yahoo of 'unacceptable' delay in hack discovery

By Dustin Volz WASHINGTON (Reuters) - Six Democratic U.S. senators on Tuesday demanded Yahoo Inc explain why hackers' theft of user information for 500 million accounts two years ago only came to light last week and lambasted the company's handling of the breach as "unacceptable." The lawmakers said they were "disturbed" the 2014 intrusion, disclosed by the company on Thursday, was detected so long after the hack occurred. "That means millions of Americans’ data may have been compromised f