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Convicted REvil Affiliate Accuses Russian Government of Planning 2021 Kaseya Attack

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A convicted REvil affiliate, Yaroslav Vasinskyi, has accused the Russian government of planning the 2021 supply chain attack against Kaseya. Vasinskyi, who was sentenced to over 13 years in prison for his role in numerous ransomware attacks, claims that the Russian government orchestrated the attack to disrupt critical infrastructure. The Kaseya attack exploited a vulnerability in Kaseya's remote monitoring software VSA, compromising over 1,000 companies. The Russian government has not taken credit for the attack. Vasinskyi's allegations were discussed during a DEF CON 33 session by Jon DiMaggio, chief intelligence strategist at Analyst1, and John Fokker, head of threat intelligence at Trellix. The session provided insights into REvil's operations and the structure of its ransomware-as-a-service model.

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  1. 11.08.2025 21:50 1 articles · 1mo ago

    Convicted REvil Affiliate Accuses Russian Government of Planning 2021 Kaseya Attack

    During a DEF CON 33 session, a convicted REvil affiliate, Yaroslav Vasinskyi, accused the Russian government of planning the 2021 Kaseya attack. Vasinskyi, who is serving a 13-year sentence for his role in numerous ransomware attacks, claims that the Russian government orchestrated the attack to disrupt critical infrastructure. The session provided detailed insights into REvil's operations and the structure of its ransomware-as-a-service model. Vasinskyi's allegations were discussed by Jon DiMaggio, chief intelligence strategist at Analyst1, and John Fokker, head of threat intelligence at Trellix. The session highlighted REvil's use of a dedicated communication platform and leak site, as well as their strict affiliate selection process.

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