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● LIVE Updated 4m ago · 14 sources tracked

Rosstat hack: data obtained suggests over 390,000 Russian deaths in Ukraine war

A massive cyberattack against Russia's federal state statistics service Rosstat has exposed internal data indicating heavy military fatalities in the Ukraine war. Hacker groups Cyberpartisans BY and Silent Crow extracted 23 terabytes of records from the agency's internal Demography database, yielding death tallies ranging from over 390,000 to 450,000 service members. The stolen records include death certificates registered between February 2022 and August 2026, documenting specific causes such as shelling and drones.

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  • ✓ Hacker groups Cyberpartisans BY and Silent Crow said they hacked Rosstat and counted Russian losses since the invasion of Ukraine.
  • ✓ The hacker groups obtained records from Rosstat's internal Demography database containing information from death certificates registered between February 2022 and August 2026.
  • ✓ The Russian Federal State Statistics Service stated it was hit by a massive cyberattack resulting in the theft of 23 terabytes of data.
🛡️ Source Corroboration: 14 independent reporting domains (90% confidence) ⏱ Read time: ~2 min

What changed

Hacker groups penetrated Rosstat's internal databases to extract 23 terabytes of demographic records detailing military fatalities.

Live updates

  1. Rosstat Hack Reveals Leaked Data on Russian Ukraine War Deaths

    A massive cyberattack against Russia's federal state statistics service Rosstat has exposed internal data indicating heavy military fatalities in the Ukraine war. Hacker groups Cyberpartisans BY and Silent Crow extracted 23 terabytes of records from the agency's internal Demography database, yielding death tallies ranging from over 390,000 to 450,000 service members. The stolen records include death certificates registered between February 2022 and August 2026, documenting specific causes such as shelling and drones.

    Why it matters

    Military losses in the conflict are treated as a state secret by Moscow, making official registration data difficult to verify independently. The hack exposes detailed figures that contrast sharply with official government silence on total casualties. The breach forces Rosstat to struggle to restore its offline systems following the massive cyberattack.

    What is confirmed

    • Hacker groups Cyberpartisans BY and Silent Crow said they hacked Rosstat and counted Russian losses since the invasion of Ukraine.
    • The hacker groups obtained records from Rosstat's internal Demography database containing information from death certificates registered between February 2022 and August 2026.
    • The Russian Federal State Statistics Service stated it was hit by a massive cyberattack resulting in the theft of 23 terabytes of data.

    Still unconfirmed

    • Leaked Rosstat data indicates between 393,000 and 450,000 Russian troops have died in connection with the war in Ukraine.
    • The death rate is accelerating, averaging six fatalities per square kilometer seized.
    • Access to death certificates reveals specific causes such as shelling and drones.

    What to watch next

    • Restoration of Rosstat internal computer systems and databases
    • Independent verification of the leaked death certificate records by forensic data analysts
    • Official response from Russian state authorities regarding the cyberattack and data breach
    Sources used for this update (17)
    1. www.euronews.com — French debt | Euronews
    2. news.inbox.lv — Police close investigation into Hayden Panettiere's death
    3. The Moscow Times — Official Data Shows 450,000 Russians Killed in War, Death Rate Accelerating – Rosstat Leaks
    4. Bloomberg.com — Hacked Records Show 400,000 Russians Killed in War on Ukraine
    5. The Seattle Times — Russia’s Rosstat struggles to restore systems after major cyberattack
    6. Yahoo — Russian Federal State Statistics Service says it was hit by massive cyberattack — hackers steal 23TB of data, including Ukraine war casualty figures
    7. Euronews.com — Rosstat hack: data suggests over 390,000 Russian deaths in Ukraine war
    8. Seeking Alpha — Leaked records point to nearly 400,000 Russian war deaths in Ukraine (XAR:NYSEARCA)
    9. Yahoo — Russian data leak reveals death toll in Ukraine
    10. The Guardian — More than 400,000 Russians killed fighting in Ukraine war, leaked data suggests
    11. The Moscow Times — Official Data Shows 450K Russians Killed in War, Death Rate Accelerating – Rosstat Leaks
    12. www.smh.com.au — Russia-Ukraine war deaths: Hacked Rosstat records reveal ...
    confidence 90%
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