U.S. Investigates Cyberattack on Water Utilities Amid Security Concerns

WHO:

[12:23 PM EDT] - CBS News - GOP Rep. Mike Turner of Ohio, President Trump, Democratic Gov. Tim Walz

[12:23 PM EDT] - TechRadar - Iranian hackers (implied)

WHAT:

[12:23 PM EDT] - CBS News - Federal investigators are probing a cyberattack that affected technology at water systems in Minnesota and several other U.S. states.

[12:23 PM EDT] - CBS News - At least seven states reported cyber activity that forced some utilities to switch to manual operations.

[12:23 PM EDT] - TechRadar - More than 30 Minnesota water utilities were hit in a coordinated attack on their control systems, with one town's treatment plant knocked offline.

WHERE:

[12:23 PM EDT] - CBS News - Minnesota and several other U.S. states

[12:23 PM EDT] - TechRadar - Minnesota

WHEN:

[12:23 PM EDT] - CBS News - The cyber activity was reported last week.

WHY:

[12:23 PM EDT] - CBS News - Rep. Turner stated that critical infrastructure assets "need to be hardened" due to the threat from adversaries like Iran, Russia, China, and North Korea.

[12:23 PM EDT] - CBS News - President Trump claimed that he did not think the Iranians were behind the attack and pointed to Minnesota's leadership as responsible.

HOW:

[12:23 PM EDT] - CBS News - Investigators are looking into whether the cyber activity is the work of Iranian hackers.

(UPDATED August 2, 2026 17:55 UTC)

Federal investigators are currently probing a cyberattack that impacted water systems in Minnesota and several other states, with at least seven states reporting disruptions that forced some utilities to revert to manual operations. More than 30 water utilities in Minnesota were affected in what appears to be a coordinated attack on their control systems, leading to one town's treatment plant being knocked offline. GOP Rep. Mike Turner emphasized the need to strengthen critical infrastructure against threats from adversaries like Iran, while President Trump expressed skepticism about Iranian involvement, attributing the situation to Minnesota's leadership instead.