Map Shows States Hit By Cyberattacks on Water Systems
Summary
Since late July 2026, cyberattacks have targeted water and wastewater systems in multiple U.S. states, causing operational problems and exposing vulnerabilities in critical public infrastructure. Federal agencies and state officials are investigating these incidents and urging water utilities to improve their cybersecurity.Key Facts
- The FBI and EPA reported cyberattacks on water systems in at least seven states since July 27, 2026.
- Attackers targeted Programmable Logic Controllers (PLCs), devices that control industrial water equipment.
- Hacks involved changing IP addresses and passwords, disrupting monitoring and control of water systems.
- Minnesota faced over 30 attacks on water systems, attracting national attention including comments by President Donald Trump.
- Michigan and South Dakota also reported cyber incidents on water infrastructure but stated no threat to drinking water safety.
- California investigated a breach where hackers accessed one customer’s online water account but not critical water systems.
- Officials recommend removing vulnerable control systems from the internet and strengthening cybersecurity to prevent attacks.
- Investigations are ongoing to find who is behind these attacks and to limit damage.
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