Russian hackers took down the pentagon last year
 

Only just finding out about it now

Russian hackers working for Tsar Putin took down the US pentagon in 2015 in a hack which caused a secret revamp of systems.

The unclassified email system used by the Joint Chiefs of Staff was hijacked in the attack leaving data of nearly 3,500 military personnel and civilians vulnerable to exposure.

http://fudzilla.com/news/42393-russi...agon-last-year