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Hacking & intrusion

Cyber-attacks on water systems spread to seven US states

First reported · Last reported · 79 related reports

In July 2026, water systems in several US states, including Minnesota, came under cyber-attack. 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 organisation
Being confirmed
Incident type
Hacking & intrusion
Occurred / detected
Not confirmed
Scale of damage
Water systems in seven US states attacked and more than 100 systems targeted
Cause / method
Cyber-attacks targeting internet-exposed water systems
Location
United States

Timeline

  1. It came to light that water systems in more than 30 areas of Minnesota were affected by cyber-attacks.
  2. The possibility that Iran was linked to the attacks on water systems was raised.
  3. The Federal Bureau of Investigation said it was investigating attacks targeting water systems in seven states.
  4. An Iran-linked hacking group claimed to be behind the attacks on Minnesota's water systems.
  5. The US Cybersecurity and Infrastructure Security Agency said that more than 100 internet-exposed water systems were targeted in the July attacks.
  6. A hack of a technology supplier to the water sector widened the scope of the Federal Bureau of Investigation's inquiry.

79 related reports

The summary and key facts are written by AI from related reports and may contain errors. Check the original articles and the organisation’s official statements for accurate details.