Other Foreign States
China
Multiple
Multiple Foreign Adversaries
[+15]
Other
Russia
United States
Various
United States
China
Economic Coercion
Academic Espionage
Technology Transfer
Counterintelligence Operations
Asset Recruitment
Intelligence Selling
Military Espionage
Intelligence Exposure
Intelligence Assessment Disclosure
Study Documents Evolving Patterns in American Espionage Cases from 1947-2007
DTIC Analysis Reveals Six-Decade Evolution of Foreign Intelligence Threats Against United States