US intelligence believes Iran was behind a cyberattack on Minnesota's water systems. Investigators think Iran is likely responsible.

Officials say the assessment could still change. President Trump claimed Minnesota's Democratic leaders were behind the attack.

His claim contradicts the intelligence assessment. Officials are still investigating the breach.

It affected critical water infrastructure in the state. The attack happened July 26-27, 2026.

It hit more than 30 municipal water systems. Some reports say at least seven states were affected.

Reports say hackers used internet-connected control devices to break in. Mike Ernster works for Minnesota's Department of Public Safety. He told reporters no water supply has been reported compromised.