Confidential documents of the Federal Security Service of the Russian Federation have been leaked.

On January 9, 2026, hackers leaked files suspected to be internal confidential documents of the Russian Federal Security Service (FSB). The title translates to "Measures for Countering the Military and Scientific-Technical Intelligence Activities of Foreign Special Services." The content focuses on Russia's surveillance and counter-strategies against Ukrainian intelligence agencies, involving the maintenance, upgrading, and espionage infiltration of military technology (such as the S-300 air defense system, T-72 tanks, etc.). The document is dated November 2021 and is attributed to the FSB's 12th Service Directorate, containing 18 specific operational directives. Analysis indicates that this file exposes potential weaknesses in Russia's defense industry and reveals the FSB's counterintelligence framework. Attachments are available for viewing related data.