Malicious cyber activity affected technology at water systems in at least seven states this week, including Minnesota, leading authorities to dig into whether Iranian actors are behind the attack, CBS News has learned.

U.S. President Donald ‌Trump told reporters at Camp David on Friday that he does not think Iran is behind a cyberattack on Minnesota water systems, despite U.S. officials reportedly suspecting otherwi...

Asked later if he could rule out Iranian responsibility, Trump said, " I don't think there was an Iranian cyberattack. I think Minnesota ought to get its act together."