Ukrainian energy supplier Prykarpattyaoblenergo suffered a three-hour electricity blackout on Dec. 23. Ukrainian officials have blamed the blackout on Russia, but as yet released no evidence to back up that claim. Cybersecurity experts have warned for years that the supervisory control and data acquisition – SCADA – systems that provide remote control and monitoring of industrial environments are too often insecure, yet also Internet-connected and easy pickings for would-be hackers. The industry continues to build, deploy and rely on systems that remain too easy for attackers to remotely exploit.”]
Source: https://www.healthcareinfosecurity.com/ukrainian-power-grid-hack-9-questions-a-8781