Cybersecurity incident — 2015-12-23 00:00:00
Affected organization: Prykarpattiaoblenergo
Affected country: Ukraine
Industry: Utilities
Event type: Disruptive
Event subtype: External Denial of Service,Data Attack,Physical Attack
Motive: Sabotage
Actor: GRU Unit 74455 (SANDWORM)
Actor type: Undetermined
Actor country: Russian Federation

The Ukrainian government blames power outages in western Ukraine on hacker attacks by Russian special services. According to the Security Service of Ukraine (SBU), malware has been found in the networks of some utilities. Moreover, these malware intrusions coincided with a non-stop telephone flood at utility plants and technical support departments, according to local reports.