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Cybersecurity Incident Cases Studies

• #001: Ransomware – 2021, SCADA, Source Water Change and Grab Sample Increase

• #002: Ransomware – 2021, IT, Lab Test Data Lost

• #003: Ransomware – 2021, SCADA, Switched to Manual and Increased Operator Rounds

• #004: Ransomware – 2022, SCADA, Brief Impact but Quick Recovery with Standby SCADA Computer

We plan to expand the collection over time and welcome any utility that wants to share their experience to contact us. Please email analyst@waterisac.org with any information, experiences, or questions.