Cybersecurity incident — 2021-11-07 00:00:00
Affected organization: Delta-Montrose Electric Association
Affected country: United States of America
Industry: Utilities
Event type: Mixed
Event subtype: Data Attack,Exploitation of Application Server
Motive: Financial
Actor: Undetermined
Actor type: Criminal
Actor country: Undetermined

In a massive ransomware attack Colorado electric company loses 25 years of historical data and has 90% of internal systems shut down for multiple days.