Cyberattacks on water systems spread to seven U.S. states
In July 2026, water systems in several U.S. states, including Minnesota, came under cyberattack. Initially more than 30 locations in Minnesota were reported as targets; the scope later widened to seven states, and more than 100 internet-exposed water systems were found to have been targeted. The Federal Bureau of Investigation opened an investigation, and the possible involvement of Iran-linked hacking groups was raised.
Key facts
- Affected organization
- Being confirmed
- Incident type
- Hacking & intrusion
- Occurred / detected
- Not confirmed
- Scale of damage
- Water systems in seven U.S. states attacked and more than 100 systems targeted
- Cause / method
- Cyberattacks targeting internet-exposed water systems
- Location
- United States
Timeline
- It came to light that water systems in more than 30 areas of Minnesota were affected by cyberattacks.
- The possibility that Iran was linked to the attacks on water systems was raised.
- The Federal Bureau of Investigation said it was investigating attacks targeting water systems in seven states.
- An Iran-linked hacking group claimed to be behind the attacks on Minnesota's water systems.
- The U.S. Cybersecurity and Infrastructure Security Agency said that more than 100 internet-exposed water systems were targeted in the July attacks.
- A hack of a technology supplier to the water sector widened the scope of the Federal Bureau of Investigation's inquiry.
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The summary and key facts are written by AI from related reports and may contain errors. Check the original articles and the organization’s official statements for accurate details.