When 30 Water Utilities Get Hit in 48 Hours, the Lesson Isn’t “Better Malware” — It’s “No Front Door”
Excerpt
Originally published July 31, 2026. Last updated August 10, 2026 as reporting expanded beyond Minnesota and identified the controller families and configuration changes involved.
Key Takeaway: In July 2026, a coordinated attack disrupted more than 30 Minnesota water utilities in under 48 hours, briefly taking one treatment plant's controls offline. Investigators found no sophisticated malware — attackers located internet-exposed PLCs, logged in with default credentials, and altered control logic directly. The incident reinforces a CISA-recommended shift in OT security…
The opening of the report, shown for reference. The full report, with its figures and indicators, is published by dispel.com on dispel.com.
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