US officials issue ‘emergency’ cybersecurity order after hackers breach at least one government agency

US cyber officials issued an “emergency directive” Thursday ordering federal agencies to defend their networks against an “advanced” group of hackers that have breached at least one agency in an apparent espionage campaign.

​ US cyber officials issued an “emergency directive” Thursday ordering federal agencies to defend their networks against an “advanced” group of hackers that have breached at least one agency in an apparent espionage campaign. Read More Breaking News, Latest News and Videos | CNN