Attacks on Water OT: Over 100 Internet-Exposed Systems Targeted in July
1. Overview Title : CISA: Over 100 Internet-Exposed Water Systems Targeted in July Cyberattacks Source : SecurityWeek Published : 2026-08-26 Original Source : SecurityWeek Related Resources : CISA Internet Exposure Reduction Guidance Related Malware, Threat Groups, CVEs, Products : Iran-linked threat actors (reported attribution for the broader activity), Programmable Logic Controllers, cellular…
In July 2026, the Cybersecurity and Infrastructure Security Agency (CISA) reported that malicious actors launched cyberattacks on over 100 internet-exposed water and wastewater systems. The primary targets were programmable logic controllers (PLCs) linked directly to cellular modems. Although no critical operational disruptions were documented, the incident highlighted vulnerabilities in the sector's internet connectivity.
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- More Than 100 Water Systems Were Hit In July Cyberattacks it.slashdot.org
- CISA: Over 100 Internet-Exposed Water Systems Targeted in July Cyberattacks securityweek.com
- CISA says that cyberattacks on critical US infrastructure targeted 100+ internet-exposed water and wastewater systems in July, largely attacking PLCs (Zack Whittaker/TechCrunch) techcrunch.com
- CISA says over 100 US water systems were targeted in July 2026 alone techradar.com
- More than 100 water systems were hit in July cyberattacks theregister.com
