Cyberattacks on Minnesota water systems investigated as officials warn about Iranian hackers
State and federal investigators are assessing whether the attack, which forced some utilities to switch to manual operations, was linked to Iranian hackers.
- On July 26 and 27, a "coordinated cyberattack" disrupted operational technology at more than 30 Minnesota community water systems, prompting immediate activation of state cybersecurity response capabilities by Minnesota IT Services .
- Security researchers suspect the Iran-linked group CyberAv3ngers, which targets small municipal water facilities, may be responsible, though officials have not confirmed attribution for the attacks.
- Automated controls in Braham, Minnesota and Plymouth, Minnesota were disrupted, forcing utility crews to switch to manual procedures; water quality and safety remained unaffected during the outages.
- State and federal agencies are collaborating with MNIT to investigate the intrusion and strengthen defenses, with "water levels and water quality unaffected," according to officials.
- Cybersecurity experts warn of a "worrying expansion in Iran-linked critical infrastructure targeting" across the United States, with small municipal systems particularly vulnerable due to limited dedicated security resources.
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33 Articles
Feds Issue Warning About Hackers Targeting Water Systems
A federal cybersecurity agency warned water systems throughout the United States on July 30 of an increase in threats to water and wastewater systems. “These threat actors are targeting water entities of all sizes,” the Cybersecurity and Infrastructure Security Agency (CISA) stated in the alert. CISA, the agency that coordinates national responses to cyber and physical threats, issued the notice after more than 30 community water systems in Minn…
U.S. investigating whether Iran was behind cyberattack on Minnesota water systems
Malicious cyber activity affected technology at more than 30 community water systems across Minnesota this week, leading authorities to dig into whether Iranian actors are behind the attack, CBS News has learned.
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