Cybersecurity incident — 2023-12-12 00:00:00
Affected organization: Kyivstar
Affected country: Ukraine
Industry: Information
Event type: Disruptive
Event subtype: Undetermined
Motive: Sabotage
Actor: Undetermined
Actor type: Criminal
Actor country: Undetermined

Kyivstar, Ukraine's largest telecommunications service provider serving over 25 million mobile and home internet subscribers, suffers a cyberattack impacting mobile and data services.