| 2026-07-30 |
CISA Urges Water and Wastewater Systems Sector to Protect OT Against Activity Targeting PLCs
These threat actors are targeting water entities of all sizes. Even water organizations with mature cybersecurity processes should validate their external connections, as this targeting activity includes cellular modems installed by operators, vendors, or system integrators that may not be documented or included in routine attack surface scans.
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CISA
FBI
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| 2026-06-02 |
CISA and Partners Urge Hardening Automatic Tank Gauge Systems
The Cybersecurity and Infrastructure Security Agency (CISA), the Federal Bureau of Investigation (FBI), the (EPA), the Transportation Security Administration (TSA), the Department of Transportation (DOT), and the U.S. Department of Agriculture (USDA)—hereafter referred to as “the authoring organizations”—are aware of malicious cyber activity targeting U.S.-based automatic tank gauge (ATG) systems.
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CISA
DOE
FBI
NSA
TSA
USDA
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| 2026-04-07 |
Iranian-Affiliated Cyber Actors Exploit Programmable Logic Controllers Across US Critical Infrastructure
This activity has led to PLC disruptions across several U.S. critical infrastructure sectors through malicious interactions with the project file and manipulation of data on human machine interface (HMI) and supervisory control and data acquisition (SCADA) displays, resulting in operational disruption and financial loss. U.S.
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CISA
CNMF
DOE
FBI
NIST
NSA
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