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● LIVE Updated 1h ago · 12 sources tracked

Ukraine knocked out key Yandex data centers. The fallout is being felt across Russia.

Ukrainian drone strikes have disabled three of six Yandex data centers in Sasovo, Kaluga, and Vladimir, causing widespread disruption to Russian internet services, shopping, and business operations. Operations are completely halted in Sasovo and Vladimir, while the Kaluga facility has lost several modules. The attacks damaged three supercomputers: Chervonenkis, Lyapunov, and Galushkin. Recovery is expected to take months, with some hardware replacements potentially taking years due to chip shortages. Kyiv stated the strikes were a response to Russian attacks on Ukrainian data centers.

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  • ✓ Ukraine struck three Yandex data centers in Sasovo, Kaluga, and Vladimir.
  • ✓ Operations have stopped at the Sasovo and Vladimir centers.
  • ✓ The Kaluga data center had several modules completely knocked out.
  • ✓ The strikes caused disruptions to Yandex services, other company websites, and media outlets.
🛡️ Source Corroboration: 12 independent reporting domains (90% confidence) ⏱ Read time: ~2 min

What changed

Reports now specify the damage to three specific supercomputers and the potential for Russia to fall behind Kazakhstan in AI by November.

Live updates

  1. Ukrainian Drone Strikes Disable Three Yandex Data Centers

    Ukrainian drone strikes have disabled three of six Yandex data centers in Sasovo, Kaluga, and Vladimir, causing widespread disruption to Russian internet services, shopping, and business operations. Operations are completely halted in Sasovo and Vladimir, while the Kaluga facility has lost several modules. The attacks damaged three supercomputers: Chervonenkis, Lyapunov, and Galushkin. Recovery is expected to take months, with some hardware replacements potentially taking years due to chip shortages. Kyiv stated the strikes were a response to Russian attacks on Ukrainian data centers.

    Why it matters

    Yandex is Russia's leading IT company and operates critical infrastructure for search and AI. The loss of these centers threatens Russia's AI development and exposes technological vulnerabilities. These sites are referred to by the company as its iron heart.

    What is confirmed

    • Ukraine struck three Yandex data centers in Sasovo, Kaluga, and Vladimir.
    • Operations have stopped at the Sasovo and Vladimir centers.
    • The Kaluga data center had several modules completely knocked out.
    • The strikes caused disruptions to Yandex services, other company websites, and media outlets.
    • The attacks occurred over a period of four days in early October.

    Still unconfirmed

    • The strikes occurred despite a warning from Donald Trump.

    What to watch next

    • Confirmation of the replacement timeline for damaged NVIDIA chips
    • Official Russian government assessment of AI development setbacks
    • Evidence of restored functionality at the Kaluga facility
    Sources used for this update (15)
    1. Reuters — Russia's Yandex says second data centre hit by drone attack
    2. BBC — Yandex: Ukraine strikes Russian data centre again despite Trump warning
    3. Mashable — Did Ukraine’s strikes on data centers really silence Russian bots?
    4. www.themoscowtimes.com — Ukraine’s Strikes on Yandex Data Centers, Explained
    5. Meduza — Ukraine knocked out key Yandex data centers. The fallout is being felt across Russia.
    6. Meduza — Ukrainian drone strikes have plunged Russia’s internet into crisis. Meduza explains why the damage has been so extensive, and why a full recovery will likely take months.
    7. www.rferl.org — How Ukraine's Strikes On Data Centers Disrupted Taxis, Shopping, And Business In Russia And Beyond
    8. meduza.io — Ukraine knocked out key Yandex data centers. The fallout is ...
    9. www.theguardian.com — Did Ukrainian strikes on Russian datacentres reduce online ...
    10. www.yahoo.com — Russian bot traffic decimated overnight after Ukraine drone ...
    11. www.ejercitos.org — Attacks on Yandex Data Centers: Ukraine vs. Russian Bots
    12. meduza.io — Ukrainian strikes on Yandex’s data centers could set back Russia’s AI development by years. Never a rival to the U.S. or China in AI, Russia may now fall behind Kaza…
    confidence 90%
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