- eBookRussian Cyber ActivityFederal Bureau of Investigation
- eBookRussian Cyber Activity – The Grizzly Steppe ReportU.S. Department of Homeland Security
- eBookThe Grizzly Steppe Report (Unmasking the Russian Cyber Activity)U.S. Department of Homeland Security
- eBookFederal Preparedness Circular 65U.S. Department of Homeland Security
- eBookFederal Preparedness Circular 65U.S. Department of Homeland Security