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At least 12 states report cyberattacks on water systems possibly linked to Iran-backed hackers, sources say

Updated on: August 5, 2026 / 7:41 PM EDT / CBS News

At least 12 states report cyberattacks on water systems possibly linked to Iran-backed hackers, sources say

TL;DR

  • At least 12 U.S. states have reported cyberattacks on their water systems.
  • Officials suspect Iran-backed hackers may be behind the attacks.
  • The cyber activity has led to the loss of remote-control capabilities for some water utilities.
  • The FBI, EPA, and CISA issued a warning about these intrusions.
  • Drinking water quality has not been impacted by the attacks.
  • Tactics used resemble a 2023 campaign linked to the Iranian Revolutionary Guard.