The U.S. utility industry may have just experienced its first malicious “cyber event”—or at least the first such event to be reported. In March, an anonymous utility in the Western region of the country filed an “Electric Emergency and Disturbance Report” with the Department of Energy (DOE). The utility stated a “cyber event that causes interruptions of electrical system operations” occurred on March 5 from 9:12 a.m. until 6:57 p.m., in some of its service areas across multiple states. However, no loss of power occurred, and no customers were affected, according to the report.
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