The White House says the FBI is investigating a massive security breach at Yahoo from 2013 and adds that officials want to ensure that releasing public information about those behind the attack would not compromise the probe. Rough Cut (no reporter narration).
ROUGH CUT - NO REPORTER NARRATION STORY: The White House on Thursday (December 15) said it could not address the potential scope of vulnerable material from Yahoo Inc's most recently disclosed hack, adding that the FBI is investigating the breach. Speaking to reporters at a daily briefing, White House spokesman Josh Earnest said that U.S. investigators would have to ensure that releasing any public information about those behind the attack would not compromise the probe. Yahoo Inc's shares fell as much as 3.8 percent on Thursday, one day after the company said that more than 1 billion user accounts were compromised in a security breach in August 2013. The number of users affected by the breach, the largest in history, was double the number implicated in a prior 2014 breach that Yahoo had disclosed in September. Verizon, which has agreed to buy Yahoo's core Internet business for $4.83 billion, had said at the time that it might withdraw from the deal.