A source informed Reuters that the Ukrainian spy agency-backed "Blackjack" hacking group successfully deleted 20TB of data from M9 Telecom, massively disrupting their operations. Seemingly coming as a retaliation attack to the "largest telco cyber attack in history" on Ukrainian telco, Kyivstar, the attack on M9 Telecom shut down internet use for thousands in Moscow.
Kyivstar, Ukraine's largest telecom provider announced it was hit by a devastating cyberattack, disrupting internet access for over 26 million users. Kyivstar's parent company, VEON Ltd confirmed the devastating cyberattack, claiming it to be “one of the largest cyberattacks in the history of the global telecom market.”
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