Related by context. Frequent words. (Click for all words.) 59 spies 55 KGB spy 54 spymasters 53 KGB 52 spy 51 counterintelligence 50 CIA 50 espionage 49 covert ops 48 Soviet KGB 48 covert operatives 48 intelligence gatherers 48 supersecret 47 Gordievsky 47 FBI 47 steganography 47 Aldrich Ames 46 GhostNet 46 Espionage 45 Counterintelligence 45 spooks 45 naval attache 45 cryptographers 45 intelligence 45 Cyberwar 45 spycraft 45 spying 45 covert 45 cryptographer 45 cyber spies 44 Cyberattacks 44 bombmakers 44 One Percent Doctrine 44 Litvinenko poisoning 44 Mossad 44 Oleg Gordievsky 43 Skripal 43 Nosenko 43 spymaster 43 gumshoes 43 Ghorbanifar 43 SPECTRE 43 NKVD 43 Stuxnet virus 43 MI6 42 Intelligence Agency 42 August Hanning 42 Robert Hanssen 42 Shcherbakov 42 bioweapon 42 CIA operative 42 counterterrorist 42 CIA operatives 42 eavesdroppers 42 SAVAK 42 electronic eavesdropping 42 hackers 42 loose nukes 42 coded messages 42 intel 42 cyber intrusions 41 Philby 41 surveil 41 decrypting 41 KGB agent 41 Soviets 41 Volkoff 41 Spy 41 covertly 41 safecracker 41 Spying 41 Doug Feith 41 al Queda 41 Al Qaida operatives 41 decrypted 41 counterespionage 41 Counter Intelligence 41 Hanssen 41 Fort Dix plot 41 FBI counterintelligence 41 outed CIA 41 INTELLIGENCE 40 Vishing 40 sleuths 40 ringleader Mohamed Atta 40 FBI agents 40 Defector 40 witting 40 assassin 40 Spies 40 informants 40 KAOS 40 snoops 40 Al Quaida 40 Joby Warrick 40 secretly 40 hacker 40 Declassified 40 Wiesler 40 NSA 40 Patrushev