According to reports, Russian hackers who breached the US State Department system for months have gained access to an un-classified White House computer system.
The system did not contain classified information, however, Russians reportedly had access to the president's private schedule, reported TechCrunch.
The connected cyberattack on the State Department in recent months has been named as the "worst ever" hack on a federal agency.
Chinese have also been implicated several times in high profile attacks of White House.
