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Coordinated “cyberattack” on Minnesota water utilities: What you need to know
CVE-2021-22681
July 29, 2026 · Tenable Blog · Severity: CRITICAL
A coordinated cyber attack disrupted water systems across more than 30 Minnesota communities.
Key Takeaways
- A coordinated cyber attack disrupted water systems across more than 30 Minnesota communities.
- Here is what defenders need to know about the attack so far.