{"rewrite":{"id":"r_4447f54bd606260fa8c865f5","clusterId":"c_972cd6d68cc810d47110e854","slug":"yandex-cloud-failover-falters-after-drone-attacks-on-three-data-centers","model":"deepseek-v4-1-flash","headline":"Yandex Cloud Failover Falters After Drone Attacks On Three Data Centers","summary":"Drone attacks took Yandex data centers offline in Sasovo on October 8, 2026, in Kaluga Oblast on the 9th, and in Vladimir Oblast on the 10th. Yandex Cloud's status page showed 84 services unavailable as of October 11. Yandex says repair crews are working around the clock and partial recovery is progressing, but services still ran in limited mode as of the 13th.","whyItMatters":"The outages show that even a large operator's backup systems can fail to carry traffic after physical strikes on data centers, a risk that has moved from theory to practice.","webCardHtml":"\u003cp\u003eYandex Cloud\u0026#39;s failover to backup systems did not work as intended after drone attacks damaged three of the company\u0026#39;s data centers, and the disruption has stretched past the week of the strikes. Cloudflare traced bot traffic from AS13238, one of Yandex\u0026#39;s CDNs, from more than 80 percent of HTTP requests in late September to the 50 percent range by the morning of October 8, then to the 0 percent range over two hours up to 1:00 on October 11. It has since returned to single digits. Repair work continues around the clock.\u003c/p\u003e","blueskyPost":"Yandex Cloud failover did not hold after drone attacks hit three data centers. 84 services were listed unavailable as of October 11, and services still ran in limited mode on the 13th. Bot traffic from one Yandex CDN fell from over 80% of requests to single digits.","twitterPost":"Yandex Cloud failover did not hold after drone attacks hit data centers in Sasovo, Kaluga Oblast and Vladimir Oblast. 84 services were listed unavailable as of October 11. Bot traffic from one Yandex CDN fell from over 80% of requests to single digits.","threadsPost":null,"newsletterBlurb":"Drone attacks took three Yandex data centers offline on October 8, 9 and 10, and Yandex Cloud's failover did not work as intended. The status page listed 84 services unavailable as of October 11, and Yandex said services still ran in limited mode on the 13th. Cloudflare recorded bot traffic from one Yandex CDN falling from over 80 percent of HTTP requests to single digits.","attributionJson":"[{\"source\":\"GIGAZINE\",\"url\":\"https://gigazine.net/news/20261013-yandex-no-failover/\",\"title\":\"Yandex data centers fail to fail over after Ukraine attack, multiple services down\"}]","lintFlagsJson":null,"lintHits":0,"costUsd":0,"inputTokens":4723,"outputTokens":606,"status":"published","repairAttempts":0,"nextRepairAt":null,"factsAttemptedAt":1791881534,"createdAt":"2026-10-13T08:49:16.000Z","publishedAt":"2026-10-13T08:51:07.000Z","updatedAt":"2026-10-13T08:51:07.000Z"},"cluster":{"id":"c_972cd6d68cc810d47110e854","canonicalTitle":"Yandexのデータセンターがウクライナによる攻撃でフェイルオーバーできず多数のサービスがダウン","representativeArticleId":"a_6c4276d441a8bb9bb8350619","sourceCount":1,"writtenSourceCount":1,"writeAttempts":0,"isSolo":true,"entitiesJson":"{\"anime_titles\":[],\"manga_titles\":[],\"work_titles\":[],\"studios\":[],\"people\":[],\"type\":\"news\",\"domain\":\"other\",\"is_roundup\":false}","contentType":"news","status":"published","firstSeenAt":"2026-10-13T07:13:00.000Z","lastSeenAt":"2026-10-13T07:13:00.000Z","updatedAt":"2026-10-13T08:51:06.000Z"},"attribution":[{"source":"GIGAZINE","url":"https://gigazine.net/news/20261013-yandex-no-failover/","title":"Yandexのデータセンターがウクライナによる攻撃でフェイルオーバーできず多数のサービスがダウン"}],"entities":{"anime_titles":[],"manga_titles":[],"work_titles":[],"studios":[],"people":[],"type":"news","domain":"other","is_roundup":false},"keyFacts":null}