“This is an ongoing situation, and at present we cannot provide any additional information,” RIA Novosti quotes an FBI statement published by the agency.
According to the available information, during the hacking, the hackers sent out from the mailbox "tens of thousands of letters" warning of a possible cyberattack.
Earlier in the United States, they talked about the discussion of cybersecurity during the visit of the head of the CIA, William Burns, to Russia.