- Электронная книгаRussian Cyber ActivityFederal Bureau of Investigation
- Электронная книгаRussian Cyber Activity – The Grizzly Steppe ReportU.S. Department of Homeland Security
- Электронная книгаThe Grizzly Steppe Report (Unmasking the Russian Cyber Activity)U.S. Department of Homeland Security
- Электронная книгаFederal Preparedness Circular 65U.S. Department of Homeland Security
- Электронная книгаFederal Preparedness Circular 65U.S. Department of Homeland Security