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27 Feb 2026

Sayenko Kharenko Advises Kyivstar on December 2023 Cyberattack Investigation

"Sayenko Kharenko advised telecommunications operator Kyivstar in connection with the investigation into the December 2023 cyberattack in Ukraine, supporting Kyivstar as a victim in criminal proceedings, liaising with law enforcement and participating in investigative actions."

Sayenko Kharenko advised Kyivstar in connection with the investigation into the cyberattack that occurred in December 2023. The firm supported Kyivstar as a victim in criminal proceedings arising from the incident. Its work included liaising with law enforcement authorities and participating in investigative actions to assist the ongoing inquiry into the attack. Sayenko Kharenko represented client(s) Kyivstar with a team composed by: Partner Sergiy Smirnov, Counsel Zlata Symonenko, Senior Associates Bogdan Golovko and Yevhen Myroshnykov, and Associate Mykhailo Novytskyi.
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