Russia's attack on Kyivstar. Ukrainian services: we know the perpetrators

On December 12 last year, [Kyivstar] (https://kyivstar.ua/), 1 of the largest telecoms in Ukraine, was the victim of a serious [cyberattack] (https://www.facebook.com/photo/?fbid=778986257604386&set=ecnf.100064790553956). There was a **service disruption** as a consequence of the incident. There were **connectivity issues**.