Russian Federal State Statistics Service says it was hit by massive cyberattack — hackers steal 23TB of data, including Ukraine war casualty figures
A massive 23TB of data has been stolen by hackers targeting Russia’s state statistics agency, Rosstat, which includes figures on Russian casualties in its war with Ukraine
The Russian Federal State Statistics Service, Rosstat, reported a massive cyberattack during the Halloween weekend in 2026. Hackers, believed to be the Belarusian CyberPartisans and Silent Crow groups, stole 23TB of data, including casualty figures from Russia's war with Ukraine. The attack also targeted the organization's electronic document management system.
Rosstat officials acknowledged the breach but denied any information leakage. The hackers gained access to a significant portion of the IT infrastructure, including central and regional units, as well as central processing and dissemination centers for statistical information. The Russian side reported 1,584,910 casualties, while the hackers claimed to have taken control of virtualization systems and other infrastructure management systems.
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