Iranian hackers have probed US election websites for vulnerabilities, Microsoft says CNNThe U.S. Spies Who Sound the Alarm About Election Interference The New YorkerRussia and Iran may try to incite postelection violence, intelligence officials warn NBC NewsRussian Disinformation Efforts, Including Faked Walz Video, Could Continue After Nov. 5, Officials Say The New York TimesIranian hacker group aims at US election websites and media before vote, Microsoft says Reuters