New York Times: Hackers targeted election systems in at least 21 states prior to the 2016 presidential election. But state and federal agencies have not launched the type of forensic digital investigations required to reveal the full extent or impact of such attacks. The question of whether U.S. votes were hacked has become highly politicized. It’s unclear if that was directly linked to election day hiccups seen in places such as Durham County, North Carolina, where technical problems held up voting for two hours.”]
Source: https://www.careersinfosecurity.com/report-russias-us-election-interference-was-widespread-a-10253