Targeting of Ukrainian telecommunication company's internet service
Date of report
  • March 2022
  • Believed to be the work of Russia's government
Russian hackers targeted Ukrainian telecommunication company Ukrtelecom’s internet service, forcing users offline. Whether the malicious activity was a DDoS attack or a more sophisticated intrusion remains unclear. Service was restored fifteen hours after the initial compromise. 
Suspected victims
  • Ukrainian internet service provider Ukrtelecom
Suspected state sponsor
  • Russian Federation
Type of incident
  • Denial of service
Target category
  • Private sector
Victim government reaction
  • Yes
Policy response