FBI and EPA warn of cyberattacks on U.S. water systems as Iran suspected in Minnesota

TL;DR
Federal authorities warn that malicious actors have remotely tampered with water- and wastewater-treatment systems, interrupting operations in several states. Investigators, including spy agencies, suspect Iran in at least one case in Minnesota, with attackers reportedly manipulating operating technology like PLCs. The EPA and FBI are warning about vulnerabilities in critical water infrastructure, and the EPA has rolled back some cybersecurity standards following lawsuits, underscoring ongoing risks to U.S. water systems.
- Several states report cyberattacks as spy agencies suspect Iran is targeting water The Washington Post
- Scope of Hacks on U.S. Water Supply Widens as Evidence Points to Iran The New York Times
- Hackers target Michigan water systems The Detroit News
- Hackers targeted municipal water systems in 7 states this week, FBI says NBC News
- Fact check: Trump baselessly claims Walz is ‘behind’ cyberattack, repeats debunked claims at Cabinet meeting CNN
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