United States
USA
Delta-Montrose electric cooperative cyberattack disables billing and member services
An attack on November 7 disabled most Delta-Montrose Electric Association internal systems and corrupted historical records. Electricity and broadband continued, but billing, meter-data integration, outage-management tools and payment collection were disrupted; the cooperative resumed payments on December 10, with further automation recovery continuing into 2022.
79
Estimated severity
79 / 100
94
Source reliability
94 / 100
Approximate Date
2021-11-07
Targeted Company
DELTA-MONTROSE ELECTRIC ASSOCIATION
Targeted Company Supply Chain Impact
Distribution & Fulfillment
Procurement & Sourcing
Production & Manufacturing
Sales (Retail & Ecommerce)
Warehousing
Service Delivery
Unrecognized Impact
Supply Chain Relations
No information
Geographic Impact
Country Targeted Company
Other Affected Countries
No other affected countries reported
Target country
United States
Affected countries
United States
Impacted regions
Colorado · United States
Operational Impact
Duration
No information
Financial impact (USD M)
No information
Impact types
Operational disruptionService degradationService unavailability
Affected sectors
Energy & Utilities
Affected departments
Customer ServiceFinanceInformation Technology
Attack Profile
Attack types
Data destructionRansomware
Attributed threat actors
No information
Sources
Incident Sources
dmea.comhttps://www.dmea.com/news/dmea-one-step-closer-to-internal-network-restorationcooperative.comhttps://www.cooperative.com/remagazine/articles/pages/not-the-same-co-op-lessons-from-a-devastating-ransomware-attack.aspxcybersecuritydive.comhttps://www.cybersecuritydive.com/news/malicious-cyberattack-colorado-utility-recovery/611048/cooperative.comhttps://www.cooperative.com/conferences-education/web-based-learning/dmea-cyber-incident/Pages/default.aspx