https://medium.com/@shadowofthevalleypodcast/what-is-a-cyberwar-is-the-u-s-in-a-cyberwar-with-russia-1a4b5a00a4e6

In her book, What Happened, Former Secretary of State Hillary Clinton compares the Russian interference in the 2016 U.S. Presidential Election to Pearl Harbor. She explained in an interview:

“It was an act of cyberwar. You know, obviously I say nobody was killed, there aren’t tanks in the street, but when you have an adversary who attacks one of your most important institutions, our electoral system, that is an act of war.”