https://www.cnbc.com/2019/04/23/mueller-report-russia-hack-of-us-elections-apparently-inexpensive.html

Techniques used by state-backed Russian hackers to interfere in the 2016 U.S. elections were apparently inexpensive, experts told CNBC, highlighting the ease at which a foreign government was able to meddle in a Western democracy.

The report released by special counsel Robert Mueller lays out how Russian trolls used social media to try to influence the outcome of the election in which Donald Trump was made president and outlines the way in which hackers stole documents from the campaign of Hillary Clinton.