The FBI denied that hackers had compromised their systems and acknowledged that they sent emails 
The US Federal Bureau of Investigation (FBI) denied the fact in a statement hacking their systems and data by hackers, however, admitted that the attackers actually sent fake emails from the department's addresses.
Earlier, Bloomberg reported that hackers had hacked the FBI's email, sending tens of thousands of letters from it allegedly on behalf of the Ministry US Homeland Security. The FBI confirmed that hackers had hacked his email. The bureau clarified that the incident took place in the morning of November 13.