Drones Knock Out Part of Yandex Data Center Infrastructure in Kaluga

A drone attack struck and damaged part of Yandex's data center in Kaluga, Russia, knocking several modules out of service, according to reports on October 9, 2026. Yandex acknowledged that some of its services may experience disruptions as a result. No casualties were reported. The attack represents one of the most significant strikes against Russian tech infrastructure since the start of the full-scale war. Kaluga hosts one of Yandex's major server facilities.