Operation Titan Rain - Threat Group Cards: A Threat Actor Encyclopedia Archived: 2026-04-05 22:22:59 UTC Home > List all groups > Operation Titan Rain APT group: Operation Titan Rain Names Operation Titan Rain (US Government) Country China Sponsor State-sponsored, PLA Unit 61398 Motivation Information theft and espionage First seen 2003 Description (Kaspersky) Hacks against the Defense Department and other U.S. agencies stretching back to 2003 were codenamed Ti Rain by investigators. The attacks, which breachedhundreds of networks, including Departments of State, Energy and Homeland Security, were coordinated from Chinese computers, investigators found. Global defense contractor Lockheed Martin and NASA were also struck in what many experts called an attempt to glean information on U.S. systems. While usually difficult to locate the country of origin for such attacks, researchers were able to trace them back to the Chinese province of Guangdong. However, the individuals behind the operation remain a mystery to this day. Observed Sectors: Defense, Energy, Government. Countries: UK, USA. Tools used Information Last change to this card: 02 July 2020 Download this actor card in PDF or JSON format Source: https://apt.etda.or.th/cgi-bin/showcard.cgi?u=2af8b84d-172a-4946-9873-8d17e028e9c9 https://apt.etda.or.th/cgi-bin/showcard.cgi?u=2af8b84d-172a-4946-9873-8d17e028e9c9 Page 1 of 1