CRITICALApt
Verified
United States

Volt Typhoon in US Water Systems Triggers EPA Emergency Order

Tuesday, March 24, 2026 at 03:00 PM UTC·Source: EPA / CISA Emergency Advisory

Updated: Wednesday, March 25, 2026 at 11:00 AM UTC

Executive Summary

EPA emergency order after confirming Volt Typhoon access to water treatment SCADA systems serving 20M+ Americans. Chemical dosing manipulation capability confirmed.

Analysis

CISA confirmed Volt Typhoon maintains persistent access to water treatment SCADA systems across six states serving 20M+ Americans. Group demonstrated capability to manipulate chemical dosing systems. Present in some systems since 2023. Emergency response teams deployed.

Timeline

Discovered
Jun 1, 2023
Exploitation Detected
Jun 1, 2023
Published
Mar 24, 2026
Source Attribution

Originally published by EPA / CISA Emergency Advisory on Mar 24, 2026. Verified by: EPA, CISA, FBI, NSA.

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