Sergiu Gatlan / BleepingComputer:
Microsoft researchers detail Cadet Blizzard, a GRU hacking group they claim is behind WhisperGate data-wiping attacks in Ukraine just before Russia’s invasion — Microsoft has linked a threat group it tracks as Cadet Blizzard since April 2023 to Russia’s Main Directorate of the General Staff of the Armed Forces (also known as GRU).
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