INCIDENT: Cyber Attack Damages CO Utility

Montrose, Colorado-based Delta-Montrose Electric Association (DMEA) should be up and running within a week and completely operational by the end of the year after the utility fell victim to a “sophisticated and malicious” cyber attack in early November.
DMEA Chief Executive, Alyssa Clemsen Roberts confirmed the attack the utility discovered November 7 to the board of directors this past Tuesday (Nov. 30).
“We are a victim of a malicious cyber security attack,” Clemsen Roberts said in a report in the Montrose Daily Press. “In the middle of an investigation, that is as far as I’m willing to go. In the process about 90 percent of our internal controls and systems were corrupted or broken or disabled. And we lost the majority of our historical data for the last 20-25 years. Since then we have been slowly rebuilding our network.”

Incident Date

November 7, 2021

Location

United States

Estimated Cost

No cost values disclosed.

Type of Malware:

No Malware identified

Threat Source:

No threat source identified

References:

  • Cyberattack Causes Significant Disruption at Colorado Electric Utility
  • Cyber Attack Damages CO Utility

Impacts

IT

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