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When Russia began attacking Ukrainian data centers and telecommunication infrastructure, it apparently failed to prepare for possible retaliation. Now Russia’s digital services are facing widespread outages after Ukrainian drone strikes knocked out three of the largest data centers owned by Russian tech giant Yandex within several days. Pro-Kremlin bloggers are warning that Russia’s centralized digital economy could collapse because the country is not prepared for the “data center war” it started, according to posts translated by the pseudonymous independent researcher ChrisO_wiki. The Russian commentators also suggested that Ukraine’s decentralized digital services could prove more resilient than Russia’s system if the countries continue trading such blows. Russia initially launched a drone strike campaign targeting Ukrainian data centers and mobile phone networks in late September. The attacks temporarily disrupted Internet and cell phone service for up to 100,000 households in the Ukrainian capital of Kyiv and came as part of a broader long-range strike campaign that has involved Russian missiles and jet-powered drones hitting Ukraine’s power grid infrastructure, transportation hubs, and even residential apartment building blocks. But Ukraine soon began striking back at data centers owned by the Russian company Yandex, also known as “Russia’s Google,” in what Ukrainian President Volodymyr Zelenskyy has described as a “symmetrical response.” AI data centers and supercomputers The first Ukrainian drone attack damaged a data center in the Sasovo region southeast of Moscow on October 8, which houses two of the three supercomputers that Yandex has used to train its YandexGPT AI model. It was not immediately clear how much damage may have occurred to the supercomputers, which are based on Nvidia A100 GPU chips. The Chervonenkis supercomputer has a computing performance rated at 29.42 petaflops and ranks at 101 on the Top 500 List of supercomputers, while the Lyapunov supercomputer is rated at 20.03 petaflops and ranks at 161.
document fetched 2026-10-13 02:56 · canonical https://arstechnica.com/gadgets/2026/10/russia-was-not-ready-for-the-data-center-war-it-started-with-ukraine