Rosstat acknowledged that its main and regional websites came under a coordinated, carefully planned attack from many locations between 29 October and 1 November, with the main site down on Saturday. The Belarusian Cyber Partisans and Silent Crow claim to have taken 23 TB including wartime losses, demographic and economic statistics and restricted documents, and defaced pages read “No one will escape accountability.” Rosstat says monitoring caught the attack early and that no databases or legally protected information leaked, so the theft claim remains self-reported for now.

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AI & Security Observatory(2026-11-01)「ロシア統計局に数日間のサイバー攻撃 ベラルーシのサイバー・パルチザンらが23TBの窃取を主張、統計局は漏えいを否定」『AI & Security Observatory』、第1.0版、最終更新2026-11-02。https://ai-security-observatory.org/ja/brief/brief-20261102-10/

AI & Security Observatory (2026-11-01). Russia's statistics agency hit by a multi-day cyberattack; Belarusian Cyber Partisans and Silent Crow claim 23 TB, Rosstat denies any leak . AI & Security Observatory, version 1.0. Updated 2026-11-02. https://ai-security-observatory.org/en/brief/brief-20261102-10/

Version 1.0 · Publication date 1 Nov 2026 · Updated 2 Nov 2026

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