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Coordinated “cyberattack” on Minnesota water utilities: What you need to know
July 29, 2026 · Tenable Blog · Severity: MEDIUM
A coordinated cyberattack targeted water and wastewater systems in over 30 Minnesota communities. The timing aligns with recent activity against exposed PLCs. Defenders are advised to secure internet-exposed infrastructure.
Key Takeaways
- Coordinated attack disrupted water systems across 30+ Minnesota communities.
- Attack occurred July 26-27, 2026; attribution pending federal investigation.
- Defenders should protect internet-exposed PLCs and monitor for similar threats.