FBI Director James Comey says law enforcement faces an "enormous challenge" in stopping the type of cyber threat represented by the Justice Department's recent computer spying case against five Chinese military officers, according to AP. He told a Senate committee Wednesday that there are two kinds of companies: those that have been hacked by the Chinese and those that just don't know it yet. The increased focus on cyber security has heightened the FBI's demand for new, tech-savvy experts. -- SPA 23:07 LOCAL TIME 20:07 GMT تغريد