The Latest: Facebook won’t say who’s behind security breach

NEW YORK (AP) — The Latest on Facebook security breach (all times local):
1:10 p.m.
Facebook says the FBI is investigating a major security breach of its service, but the company says authorities asked it not to discuss who may be behind the attack.
That suggests Facebook may know or suspect who’s behind the breach. When Facebook disclosed the breach two weeks ago, company officials said they didn’t know who was behind the attacks or where they might be based.
Facebook is discl