CISA confirms hackers targeted over 100 US water systems during July

CISA reports that hackers targeted over 100 U.S. water and wastewater systems, likely using AI-assisted scripts to exploit programmable logic controllers. While the attacks caused operational disruptions, they did not compromise the safety of water supplies.
Why it matters
The incident highlights the growing vulnerability of critical infrastructure to cyberattacks and the emerging role of AI in offensive cyber operations.
U.S. cybersecurity agency CISA said it has observed cyberattacks targeting over 100 internet-exposed systems across the U.S. water and wastewater sector, amid a wave of hacks targeting American critical infrastructure.
The report relies on official agency statements and provides a factual account of the security events.
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