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IoT/OTAug 26, 2026

CISA: Hackers Targeted Over 100 Internet-Exposed Water Systems

CISA reports over 100 US water systems targeted by cyberattacks in July.

Summary

CISA has disclosed that over 100 internet-exposed U.S. water systems were targeted by cyberattacks in July. The attackers gained access to some utility controls and operations by exploiting vulnerabilities in exposed PLCs and cellular modems. This incident highlights the significant risks to critical infrastructure from cyber threats.

Entities

PLC (technology)