Leaked Russian Cyber-Operations Training Materials
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Schneier on Security reports on leaked Russian cyber-operations training materials that describe a formal pipeline for recruiting university students into intelligence and cyber roles within the GRU and other General Staff components. The records link a twenty twenty-four graduate of Department Number Four to the military unit known as Sandworm, which has been tied to destructive attacks like the twenty seventeen NotPetya incident, though the reports don't confirm individual participation in any operation. The leak reframes Russia's cyber capability as an institutional system, and for defenders it highlights the need to treat espionage, destructive activity, and influence campaigns as a combined threat, while giving researchers a clearer view of how the GRU sustains its cyber forces beyond familiar names like APT28 and Sandworm.
Source: https://www.schneier.com/blog/archives/2026/09/leaked-rus...
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