 In a statement, the company says, quote, we are working with law enforcement in its efforts to arrest those involved in the incident. It goes on to say, we sincerely regret this incident occurred and remain committed to protecting the information in our care. CBS News senior business and technology correspondent Jolene Kent is following this story for us. So Jolene, what do we know about the extent of this breach? It seems massive. And then really, what can customers do to protect themselves?