Federal Bureau of Investigation, the Central Intelligence Agency of the United States, the US National Security Agency, the US Department of Justice and the Financial Crimes Enforcement the US Treasury Department identified two main sources of funding cyber criminals who hacked the US government sites.
One of the allegations involves whether a system for routinely paying thousands of Russian-American pensioners may have been used to pay some email hackers in the United States or to supply money to intermediaries who would then pay the hackers, the two sources said.
December 30, the US Department of Homeland Security together with the Federal Bureau of Investigation issued a report, which disclosed details of Russian hacker attacks on government official servers. Experts have identified two major hacker attacks, which were called "advanced persistent network threats» APT28 and APT29. APT29 phishing attack was aimed at more than one thousand US officials. With the help of malicious links hackers managed to gain access to the network of the Democratic Party in the summer of 2015. Attack APT28 in spring 2016 used similar methods of hacking government portals.