Rank
|
Page title
|
Views
|
Daily average
|
Assessment
|
Importance
|
1
|
September 11 attacks
|
521,126
|
16,810
|
GA
|
Unknown
|
2
|
Osama bin Laden
|
309,366
|
9,979
|
B
|
Unknown
|
3
|
Dwight D. Eisenhower
|
291,343
|
9,398
|
B
|
Unknown
|
4
|
J. Robert Oppenheimer
|
283,319
|
9,139
|
FA
|
Unknown
|
5
|
Abu Ghraib torture and prisoner abuse
|
261,335
|
8,430
|
B
|
Unknown
|
6
|
MKUltra
|
232,426
|
7,497
|
C
|
Unknown
|
7
|
Mossad
|
221,489
|
7,144
|
C
|
Unknown
|
8
|
Oskar Schindler
|
193,091
|
6,228
|
GA
|
Unknown
|
9
|
Central Intelligence Agency
|
139,105
|
4,487
|
B
|
Unknown
|
10
|
Killing of Osama bin Laden
|
124,160
|
4,005
|
GA
|
Unknown
|
11
|
USS Liberty incident
|
118,003
|
3,806
|
C
|
Unknown
|
12
|
Five Eyes
|
105,237
|
3,394
|
C
|
Unknown
|
13
|
Coco Chanel
|
88,690
|
2,860
|
B
|
Unknown
|
14
|
Shin Bet
|
84,423
|
2,723
|
Start
|
Unknown
|
15
|
Lockheed Martin SR-72
|
83,846
|
2,704
|
B
|
Unknown
|
16
|
The Imitation Game
|
83,267
|
2,686
|
C
|
Unknown
|
17
|
Lockheed U-2
|
78,448
|
2,530
|
B
|
Unknown
|
18
|
Robert Maxwell
|
71,128
|
2,294
|
C
|
Unknown
|
19
|
MI5
|
70,248
|
2,266
|
B
|
Unknown
|
20
|
KGB
|
69,703
|
2,248
|
C
|
Unknown
|
21
|
Ninja
|
66,690
|
2,151
|
B
|
Unknown
|
22
|
Research and Analysis Wing
|
64,359
|
2,076
|
C
|
Unknown
|
23
|
United States Department of Homeland Security
|
61,704
|
1,990
|
C
|
Unknown
|
24
|
Mata Hari
|
60,449
|
1,949
|
B
|
Unknown
|
25
|
Operation Mincemeat
|
58,787
|
1,896
|
FA
|
Unknown
|
26
|
Enigma machine
|
58,319
|
1,881
|
C
|
Unknown
|
27
|
1953 Iranian coup d'état
|
55,116
|
1,777
|
B
|
Unknown
|
28
|
Aldrich Ames
|
54,356
|
1,753
|
C
|
Unknown
|
29
|
Dreyfus affair
|
54,060
|
1,743
|
B
|
Unknown
|
30
|
Reality Winner
|
52,748
|
1,701
|
B
|
Unknown
|
31
|
Hiroo Onoda
|
50,227
|
1,620
|
C
|
Unknown
|
32
|
Waterboarding
|
50,046
|
1,614
|
B
|
Unknown
|
33
|
Paul Whelan
|
49,831
|
1,607
|
C
|
Unknown
|
34
|
NKVD
|
47,628
|
1,536
|
Start
|
Unknown
|
35
|
Lockheed Martin RQ-170 Sentinel
|
45,603
|
1,471
|
GA
|
Unknown
|
36
|
Saif al-Adel
|
44,557
|
1,437
|
B
|
Unknown
|
37
|
Lockheed A-12
|
44,383
|
1,431
|
B
|
Unknown
|
38
|
Russian interference in the 2016 United States elections
|
44,118
|
1,423
|
C
|
Unknown
|
39
|
Kim Philby
|
43,590
|
1,406
|
C
|
Unknown
|
40
|
Covert operation
|
40,394
|
1,303
|
Start
|
Unknown
|
41
|
Big lie
|
39,686
|
1,280
|
C
|
Unknown
|
42
|
Intelligence Support Activity
|
38,904
|
1,254
|
Start
|
Unknown
|
43
|
Boeing X-37
|
36,867
|
1,189
|
B
|
Unknown
|
44
|
W. Somerset Maugham
|
36,547
|
1,178
|
FA
|
Unknown
|
45
|
Inter-Services Intelligence
|
35,860
|
1,156
|
C
|
Unknown
|
46
|
Klaus Fuchs
|
35,275
|
1,137
|
GA
|
Unknown
|
47
|
Propaganda
|
35,133
|
1,133
|
C
|
Unknown
|
48
|
Cambridge Five
|
33,804
|
1,090
|
Start
|
Unknown
|
49
|
Espionage
|
33,135
|
1,068
|
C
|
Unknown
|
50
|
Michael Cohen (lawyer)
|
33,017
|
1,065
|
C
|
Unknown
|
51
|
Enoch Powell
|
32,963
|
1,063
|
B
|
Unknown
|
52
|
Stargate Project
|
32,492
|
1,048
|
C
|
Unknown
|
53
|
Franz von Papen
|
32,113
|
1,035
|
B
|
Unknown
|
54
|
Yoshiko Kawashima
|
31,964
|
1,031
|
B
|
Unknown
|
55
|
GRU (Russian Federation)
|
31,232
|
1,007
|
C
|
Unknown
|
56
|
Richard Francis Burton
|
30,078
|
970
|
B
|
Unknown
|
57
|
Defense Intelligence Agency
|
29,995
|
967
|
B
|
Unknown
|
58
|
United States involvement in regime change
|
29,982
|
967
|
C
|
Unknown
|
59
|
Office of Strategic Services
|
29,027
|
936
|
Start
|
Unknown
|
60
|
Nikolai Yezhov
|
29,005
|
935
|
C
|
Unknown
|
61
|
GCHQ
|
28,750
|
927
|
B
|
Unknown
|
62
|
Iran–U.S. RQ-170 incident
|
28,688
|
925
|
Start
|
Unknown
|
63
|
Signals intelligence
|
27,606
|
890
|
Start
|
Unknown
|
64
|
Open-source intelligence
|
27,403
|
883
|
Start
|
Unknown
|
65
|
Special Operations Executive
|
26,819
|
865
|
C
|
Unknown
|
66
|
United States Intelligence Community
|
26,692
|
861
|
C
|
Unknown
|
67
|
Zimmermann telegram
|
25,110
|
810
|
B
|
Unknown
|
68
|
September 11 attacks advance-knowledge conspiracy theories
|
25,107
|
809
|
Start
|
Unknown
|
69
|
Cambridge Analytica
|
24,966
|
805
|
C
|
Unknown
|
70
|
Foreign Intelligence Service (Russia)
|
24,285
|
783
|
B
|
Unknown
|
71
|
Jack Ryan (character)
|
24,017
|
774
|
C
|
Unknown
|
72
|
Enhanced interrogation techniques
|
23,457
|
756
|
B
|
Unknown
|
73
|
SpaceX Starshield
|
23,353
|
753
|
Start
|
Unknown
|
74
|
Propaganda in Nazi Germany
|
23,006
|
742
|
C
|
Unknown
|
75
|
Francis Gary Powers
|
22,849
|
737
|
C
|
Unknown
|
76
|
Joan Clarke
|
22,550
|
727
|
C
|
Unknown
|
77
|
Military Intelligence Directorate (Israel)
|
22,048
|
711
|
Start
|
Unknown
|
78
|
Pine Gap
|
21,606
|
696
|
Start
|
Unknown
|
79
|
Oleg Gordievsky
|
21,181
|
683
|
C
|
Unknown
|
80
|
Sicherheitsdienst
|
20,945
|
675
|
B
|
Unknown
|
81
|
Duga radar
|
20,898
|
674
|
C
|
Unknown
|
82
|
Classified information
|
20,784
|
670
|
C
|
Unknown
|
83
|
Bletchley Park
|
20,701
|
667
|
B
|
Unknown
|
84
|
List of private military contractors
|
19,872
|
641
|
List
|
Unknown
|
85
|
Abwehr
|
19,348
|
624
|
C
|
Unknown
|
86
|
UVB-76
|
18,880
|
609
|
C
|
Unknown
|
87
|
Numbers station
|
18,643
|
601
|
C
|
Unknown
|
88
|
Mansfield Smith-Cumming
|
18,530
|
597
|
Start
|
Unknown
|
89
|
Ramstein Air Base
|
18,114
|
584
|
C
|
Unknown
|
90
|
Classified information in the United States
|
18,093
|
583
|
C
|
Unknown
|
91
|
DeepStateMap.Live
|
17,850
|
575
|
GA
|
Unknown
|
92
|
Northrop Grumman RQ-180
|
17,591
|
567
|
Start
|
Unknown
|
93
|
Phoenix Program
|
17,511
|
564
|
Start
|
Unknown
|
94
|
Marburg Files
|
17,285
|
557
|
Start
|
Unknown
|
95
|
Spetsnaz GRU
|
17,254
|
556
|
Start
|
Unknown
|
96
|
ECHELON
|
16,868
|
544
|
B
|
Unknown
|
97
|
1960 U-2 incident
|
16,866
|
544
|
B
|
Unknown
|
98
|
Black operation
|
16,791
|
541
|
Start
|
Unknown
|
99
|
National Investigation Agency
|
16,787
|
541
|
Start
|
Unknown
|
100
|
Gertrude Bell
|
16,531
|
533
|
B
|
Unknown
|
101
|
2023 Chinese balloon incident
|
16,331
|
526
|
B
|
Unknown
|
102
|
Glomar Explorer
|
16,240
|
523
|
Start
|
Unknown
|
103
|
Director of Central Intelligence
|
15,942
|
514
|
C
|
Unknown
|
104
|
Sleeper agent
|
15,926
|
513
|
Start
|
Unknown
|
105
|
Project Azorian
|
15,734
|
507
|
C
|
Unknown
|
106
|
Disappearance of Robert Levinson
|
15,699
|
506
|
B
|
Unknown
|
107
|
Counterterrorism
|
15,483
|
499
|
Start
|
Unknown
|
108
|
Black legend
|
15,235
|
491
|
C
|
Unknown
|
109
|
Oleg Penkovsky
|
15,161
|
489
|
Start
|
Unknown
|
110
|
Barzan Ibrahim al-Tikriti
|
14,907
|
480
|
C
|
Unknown
|
111
|
Lubyanka Building
|
14,704
|
474
|
Start
|
Unknown
|
112
|
2014 Sony Pictures hack
|
14,683
|
473
|
C
|
Unknown
|
113
|
Counterintelligence
|
14,589
|
470
|
C
|
Unknown
|
114
|
Disinformation
|
14,584
|
470
|
Start
|
Unknown
|
115
|
Oppenheimer security clearance hearing
|
14,582
|
470
|
FA
|
Unknown
|
116
|
Q clearance
|
14,516
|
468
|
Start
|
Unknown
|
117
|
Directorate of Military Intelligence (United Kingdom)
|
14,027
|
452
|
C
|
Unknown
|
118
|
Rudolf Abel
|
14,023
|
452
|
A
|
Unknown
|
119
|
National Reconnaissance Office
|
13,893
|
448
|
C
|
Unknown
|
120
|
Intelligence, surveillance, target acquisition, and reconnaissance
|
13,598
|
438
|
Start
|
Unknown
|
121
|
Dmitri Polyakov
|
13,450
|
433
|
Start
|
Unknown
|
122
|
British intelligence agencies
|
13,426
|
433
|
C
|
Unknown
|
123
|
The Thing (listening device)
|
13,297
|
428
|
Start
|
Unknown
|
124
|
Operation Neptune Spear
|
13,185
|
425
|
Redirect
|
Unknown
|
125
|
Bombe
|
13,171
|
424
|
C
|
Unknown
|
126
|
James Jesus Angleton
|
13,160
|
424
|
C
|
Unknown
|
127
|
Sinking of the Rainbow Warrior
|
13,057
|
421
|
C
|
Unknown
|
128
|
John Cairncross
|
12,839
|
414
|
C
|
Unknown
|
129
|
National Intelligence Service (South Korea)
|
12,673
|
408
|
Start
|
Unknown
|
130
|
Main Directorate of Intelligence (Ukraine)
|
12,583
|
405
|
Start
|
Unknown
|
131
|
Richard Sorge
|
12,436
|
401
|
B
|
Unknown
|
132
|
William Francis Buckley
|
12,284
|
396
|
Start
|
Unknown
|
133
|
Disinformation in the Russian invasion of Ukraine
|
12,248
|
395
|
C
|
Unknown
|
134
|
Espionage Act of 1917
|
12,239
|
394
|
Start
|
Unknown
|
135
|
Kulbhushan Jadhav
|
12,006
|
387
|
B
|
Unknown
|
136
|
Military intelligence
|
11,933
|
384
|
Start
|
Unknown
|
137
|
Double agent
|
11,829
|
381
|
Start
|
Unknown
|
138
|
Virginia Hall
|
11,779
|
379
|
B
|
Unknown
|
139
|
United States involvement in regime change in Latin America
|
11,639
|
375
|
Start
|
Unknown
|
140
|
Juan Pujol García
|
11,562
|
372
|
C
|
Unknown
|
141
|
Catherine Dior
|
11,404
|
367
|
B
|
Unknown
|
142
|
List of CIA controversies
|
11,327
|
365
|
CL
|
Unknown
|
143
|
Counterinsurgency
|
11,276
|
363
|
Start
|
Unknown
|
144
|
Black propaganda
|
11,242
|
362
|
C
|
Unknown
|
145
|
Lockheed D-21
|
11,239
|
362
|
A
|
Unknown
|
146
|
William J. Donovan
|
11,154
|
359
|
B
|
Unknown
|
147
|
Francis Walsingham
|
10,990
|
354
|
FA
|
Unknown
|
148
|
Ministry of Intelligence (Iran)
|
10,786
|
347
|
C
|
Unknown
|
149
|
Donald Maclean (spy)
|
10,667
|
344
|
C
|
Unknown
|
150
|
George Tenet
|
10,625
|
342
|
Start
|
Unknown
|
151
|
Edwin T. Layton
|
10,572
|
341
|
C
|
Unknown
|
152
|
Human intelligence (intelligence gathering)
|
10,532
|
339
|
Start
|
Unknown
|
153
|
GRU (Soviet Union)
|
10,455
|
337
|
C
|
Unknown
|
154
|
Dan Coats
|
10,332
|
333
|
C
|
Unknown
|
155
|
Cyberwarfare
|
10,078
|
325
|
C
|
Unknown
|
156
|
Frank Olson
|
10,036
|
323
|
C
|
Unknown
|
157
|
Israeli Intelligence Community
|
9,812
|
316
|
Start
|
Unknown
|
158
|
Sidney Reilly
|
9,774
|
315
|
B
|
Unknown
|
159
|
Double-Cross System
|
9,703
|
313
|
Start
|
Unknown
|
160
|
Venona project
|
9,672
|
312
|
B
|
Unknown
|
161
|
Boris Pash
|
9,573
|
308
|
C
|
Unknown
|
162
|
Circular reporting
|
9,355
|
301
|
C
|
Unknown
|
163
|
Ultra (cryptography)
|
9,324
|
300
|
C
|
Unknown
|
164
|
Clandestine operation
|
9,282
|
299
|
Start
|
Unknown
|
165
|
Reinhard Gehlen
|
9,125
|
294
|
C
|
Unknown
|
166
|
Enigma (2001 film)
|
8,995
|
290
|
C
|
Unknown
|
167
|
Special reconnaissance
|
8,927
|
287
|
C
|
Unknown
|
168
|
Culper Ring
|
8,904
|
287
|
B
|
Unknown
|
169
|
KH-11 KENNEN
|
8,877
|
286
|
C
|
Unknown
|
170
|
List of military tactics
|
8,799
|
283
|
CL
|
Unknown
|
171
|
German tank problem
|
8,751
|
282
|
C
|
Unknown
|
172
|
David Greenglass
|
8,717
|
281
|
GA
|
Unknown
|
173
|
UKUSA Agreement
|
8,698
|
280
|
Start
|
Unknown
|
174
|
George Blake
|
8,582
|
276
|
Start
|
Unknown
|
175
|
Director-General of Inter-Services Intelligence
|
8,562
|
276
|
CL
|
Unknown
|
176
|
Allegations of CIA assistance to Osama bin Laden
|
8,460
|
272
|
Start
|
Unknown
|
177
|
Access control
|
8,279
|
267
|
Start
|
Unknown
|
178
|
Pierre-sur-Haute military radio station
|
8,265
|
266
|
GA
|
Unknown
|
179
|
Chuck Robb
|
8,177
|
263
|
C
|
Unknown
|
180
|
Joseph McMoneagle
|
8,130
|
262
|
Start
|
Unknown
|
181
|
Fritz Duquesne
|
8,115
|
261
|
C
|
Unknown
|
182
|
Viktor Belenko
|
8,099
|
261
|
Start
|
Unknown
|
183
|
Cozy Bear
|
8,019
|
258
|
B
|
Unknown
|
184
|
Military Intelligence Corps (United States Army)
|
7,962
|
256
|
C
|
Unknown
|
185
|
Atomic spies
|
7,854
|
253
|
Start
|
Unknown
|
186
|
Nancy Wake
|
7,789
|
251
|
C
|
Unknown
|
187
|
Meir Dagan
|
7,755
|
250
|
C
|
Unknown
|
188
|
Clandestine cell system
|
7,675
|
247
|
B
|
Unknown
|
189
|
Krystyna Skarbek
|
7,596
|
245
|
B
|
Unknown
|
190
|
1st Reconnaissance Battalion
|
7,582
|
244
|
C
|
Unknown
|
191
|
Ana Montes
|
7,519
|
242
|
Start
|
Unknown
|
192
|
Equation Group
|
7,426
|
239
|
Start
|
Unknown
|
193
|
National Intelligence Organization
|
7,317
|
236
|
Start
|
Unknown
|
194
|
Leon Theremin
|
7,302
|
235
|
Start
|
Unknown
|
195
|
Violette Szabo
|
7,236
|
233
|
C
|
Unknown
|
196
|
Michael Hayden (general)
|
7,211
|
232
|
C
|
Unknown
|
197
|
Walter Bedell Smith
|
7,201
|
232
|
A
|
Unknown
|
198
|
Spy film
|
7,194
|
232
|
Start
|
Unknown
|
199
|
Speculatores
|
7,190
|
231
|
Start
|
Unknown
|
200
|
Hybrid warfare
|
7,113
|
229
|
Start
|
Unknown
|
201
|
Operations security
|
7,015
|
226
|
Start
|
Unknown
|
202
|
Operation Fortitude
|
7,001
|
225
|
C
|
Unknown
|
203
|
Ferdinand Walsin Esterhazy
|
6,941
|
223
|
C
|
Unknown
|
204
|
Sentient (intelligence analysis system)
|
6,941
|
223
|
B
|
Unknown
|
205
|
Operation Goldeneye
|
6,915
|
223
|
B
|
Unknown
|
206
|
James Clapper
|
6,877
|
221
|
Start
|
Unknown
|
207
|
John Ratcliffe (American politician)
|
6,791
|
219
|
C
|
Unknown
|
208
|
James B. Donovan
|
6,766
|
218
|
C
|
Unknown
|
209
|
National Bureau of Investigation (Philippines)
|
6,762
|
218
|
Start
|
Unknown
|
210
|
Reconnaissance satellite
|
6,757
|
217
|
Start
|
Unknown
|
211
|
The Shadow Brokers
|
6,733
|
217
|
Start
|
Unknown
|
212
|
NOBUS
|
6,731
|
217
|
Start
|
Unknown
|
213
|
Markus Wolf
|
6,591
|
212
|
C
|
Unknown
|
214
|
Targeted killing
|
6,539
|
210
|
C
|
Unknown
|
215
|
Mole (espionage)
|
6,501
|
209
|
Start
|
Unknown
|
216
|
Intelligence Corps (United Kingdom)
|
6,486
|
209
|
C
|
Unknown
|
217
|
Fake news website
|
6,460
|
208
|
C
|
Unknown
|
218
|
Miles Copeland Jr.
|
6,442
|
207
|
Start
|
Unknown
|
219
|
Office of Naval Intelligence
|
6,378
|
205
|
Start
|
Unknown
|
220
|
Harold James Nicholson
|
6,365
|
205
|
Start
|
Unknown
|
221
|
Ivan Serov
|
6,348
|
204
|
C
|
Unknown
|
222
|
Oster conspiracy
|
6,327
|
204
|
Start
|
Unknown
|
223
|
CORONA (satellite)
|
6,325
|
204
|
C
|
Unknown
|
224
|
Intelligence Bureau (Pakistan)
|
6,257
|
201
|
Start
|
Unknown
|
225
|
Eliza Manningham-Buller
|
6,108
|
197
|
C
|
Unknown
|
226
|
Joint Special Operations Command Task Force in the Iraq War
|
6,078
|
196
|
C
|
Unknown
|
227
|
American propaganda during World War II
|
6,073
|
195
|
B
|
Unknown
|
228
|
Utah Data Center
|
5,971
|
192
|
C
|
Unknown
|
229
|
Intelligence agencies of Russia
|
5,963
|
192
|
Start
|
Unknown
|
230
|
Black Dragon Society
|
5,912
|
190
|
Start
|
Unknown
|
231
|
Targeted killing by Israel
|
5,868
|
189
|
B
|
Unknown
|
232
|
Tradecraft
|
5,862
|
189
|
Start
|
Unknown
|
233
|
Amrullah Saleh
|
5,830
|
188
|
GA
|
Unknown
|
234
|
Lorenz cipher
|
5,828
|
188
|
C
|
Unknown
|
235
|
Surveillance aircraft
|
5,690
|
183
|
Start
|
Unknown
|
236
|
Adolf Tolkachev
|
5,642
|
182
|
Start
|
Unknown
|
237
|
Kim Hyon-hui
|
5,609
|
180
|
Start
|
Unknown
|
238
|
Grey literature
|
5,608
|
180
|
Start
|
Unknown
|
239
|
St John Philby
|
5,575
|
179
|
C
|
Unknown
|
240
|
Defence Intelligence
|
5,556
|
179
|
Start
|
Unknown
|
241
|
List of spymasters
|
5,527
|
178
|
List
|
Unknown
|
242
|
Edward Lee Howard
|
5,405
|
174
|
C
|
Unknown
|
243
|
List of NRO launches
|
5,404
|
174
|
CL
|
Unknown
|
244
|
Organizational structure of the Central Intelligence Agency
|
5,329
|
171
|
Stub
|
Unknown
|
245
|
Juanita Castro
|
5,285
|
170
|
Start
|
Unknown
|
246
|
Cabinet Office Briefing Rooms
|
5,200
|
167
|
Start
|
Unknown
|
247
|
Ashfaq Parvez Kayani
|
5,114
|
164
|
C
|
Unknown
|
248
|
Dudley Clarke
|
5,109
|
164
|
FA
|
Unknown
|
249
|
Stewart Menzies
|
5,108
|
164
|
C
|
Unknown
|
250
|
Salt Pit
|
5,108
|
164
|
Start
|
Unknown
|
251
|
Gary Berntsen
|
5,074
|
163
|
Start
|
Unknown
|
252
|
Communications Security Establishment
|
5,067
|
163
|
C
|
Unknown
|
253
|
Ion Mihai Pacepa
|
5,059
|
163
|
C
|
Unknown
|
254
|
Vitaly Yurchenko
|
5,037
|
162
|
Start
|
Unknown
|
255
|
Interrogation
|
5,006
|
161
|
Start
|
Unknown
|
256
|
Geospatial intelligence
|
4,983
|
160
|
C
|
Unknown
|
257
|
The Doughnut
|
4,983
|
160
|
GA
|
Unknown
|
258
|
Defence Intelligence Agency (India)
|
4,982
|
160
|
Start
|
Unknown
|
259
|
Chinese intelligence activity abroad
|
4,977
|
160
|
Start
|
Unknown
|
260
|
Mass surveillance in the United States
|
4,967
|
160
|
B
|
Unknown
|
261
|
Lionel Crabb
|
4,957
|
159
|
C
|
Unknown
|
262
|
Operation Bodyguard
|
4,950
|
159
|
Start
|
Unknown
|
263
|
Information warfare
|
4,934
|
159
|
C
|
Unknown
|
264
|
MI7
|
4,913
|
158
|
C
|
Unknown
|
265
|
Agent 355
|
4,873
|
157
|
Start
|
Unknown
|
266
|
Clandestine human intelligence
|
4,807
|
155
|
Start
|
Unknown
|
267
|
Vera Atkins
|
4,515
|
145
|
Start
|
Unknown
|
268
|
L. Fletcher Prouty
|
4,510
|
145
|
Start
|
Unknown
|
269
|
United States Army Intelligence and Security Command
|
4,502
|
145
|
C
|
Unknown
|
270
|
Measurement and signature intelligence
|
4,459
|
143
|
C
|
Unknown
|
271
|
Alsos Mission
|
4,443
|
143
|
FA
|
Unknown
|
272
|
Intelligence assessment
|
4,373
|
141
|
Start
|
Unknown
|
273
|
Chronology of Soviet secret police agencies
|
4,354
|
140
|
C
|
Unknown
|
274
|
First Chief Directorate
|
4,329
|
139
|
B
|
Unknown
|
275
|
Open secret
|
4,293
|
138
|
Start
|
Unknown
|
276
|
Counterintelligence Group
|
4,244
|
136
|
B
|
Unknown
|
277
|
Reconnaissance General Bureau
|
4,237
|
136
|
Start
|
Unknown
|
278
|
Chinese espionage in the United States
|
4,205
|
135
|
Start
|
Unknown
|
279
|
Richard Tomlinson
|
4,202
|
135
|
GA
|
Unknown
|
280
|
Rainbow Code
|
4,186
|
135
|
List
|
Unknown
|
281
|
Recruitment of spies
|
4,172
|
134
|
Start
|
Unknown
|
282
|
Gehlen Organization
|
4,148
|
133
|
Start
|
Unknown
|
283
|
Zvi Zamir
|
4,049
|
130
|
Start
|
Unknown
|
284
|
Resident spy
|
3,953
|
127
|
Start
|
Unknown
|
285
|
History of the Central Intelligence Agency
|
3,942
|
127
|
B
|
Unknown
|
286
|
Pavel Sudoplatov
|
3,935
|
126
|
Start
|
Unknown
|
287
|
Victor Cherkashin
|
3,900
|
125
|
Start
|
Unknown
|
288
|
Cold War espionage
|
3,899
|
125
|
C
|
Unknown
|
289
|
Richard Dearlove
|
3,894
|
125
|
Start
|
Unknown
|
290
|
Frumentarii
|
3,890
|
125
|
Start
|
Unknown
|
291
|
General Intelligence Presidency
|
3,874
|
124
|
Start
|
Unknown
|
292
|
German submarine U-110 (1940)
|
3,872
|
124
|
Start
|
Unknown
|
293
|
Vela (satellite)
|
3,861
|
124
|
Start
|
Unknown
|
294
|
Elizebeth Smith Friedman
|
3,771
|
121
|
C
|
Unknown
|
295
|
Margaret Kemble Gage
|
3,745
|
120
|
C
|
Unknown
|
296
|
Viktor Abakumov
|
3,719
|
119
|
C
|
Unknown
|
297
|
Directorate of Military Intelligence (Ireland)
|
3,633
|
117
|
C
|
Unknown
|
298
|
History of espionage
|
3,598
|
116
|
C
|
Unknown
|
299
|
James Tiptree Jr.
|
3,558
|
114
|
C
|
Unknown
|
300
|
Robert Ames (CIA official)
|
3,539
|
114
|
Start
|
Unknown
|
301
|
Crypto AG
|
3,527
|
113
|
C
|
Unknown
|
302
|
Morton Sobell
|
3,526
|
113
|
Start
|
Unknown
|
303
|
Eye of the Needle (novel)
|
3,515
|
113
|
Start
|
Unknown
|
304
|
Michael Bettaney
|
3,510
|
113
|
Start
|
Unknown
|
305
|
Vasili Mitrokhin
|
3,500
|
112
|
Start
|
Unknown
|
306
|
History of propaganda
|
3,472
|
112
|
C
|
Unknown
|
307
|
Combat Intelligence Collection Corps (Israel)
|
3,468
|
111
|
Start
|
Unknown
|
308
|
James Armistead Lafayette
|
3,458
|
111
|
C
|
Unknown
|
309
|
Burn notice (document)
|
3,446
|
111
|
Start
|
Unknown
|
310
|
Bin Ladin Determined To Strike in US
|
3,444
|
111
|
C
|
Unknown
|
311
|
Military Intelligence (Pakistan)
|
3,444
|
111
|
C
|
Unknown
|
312
|
The Life That I Have
|
3,429
|
110
|
Start
|
Unknown
|
313
|
Charlotte Gray (film)
|
3,411
|
110
|
C
|
Unknown
|
314
|
Curveball (informant)
|
3,402
|
109
|
B
|
Unknown
|
315
|
Flame (malware)
|
3,398
|
109
|
Start
|
Unknown
|
316
|
Resistance to interrogation
|
3,394
|
109
|
Stub
|
Unknown
|
317
|
Douglas Kelley
|
3,383
|
109
|
Start
|
Unknown
|
318
|
Intelligence analysis
|
3,367
|
108
|
Start
|
Unknown
|
319
|
Sixteenth Air Force
|
3,355
|
108
|
Start
|
Unknown
|
320
|
Ursula Kuczynski
|
3,305
|
106
|
C
|
Unknown
|
321
|
Iraqi Intelligence Service
|
3,295
|
106
|
Start
|
Unknown
|
322
|
Alexander Parvus
|
3,261
|
105
|
C
|
Unknown
|
323
|
Manucher Ghorbanifar
|
3,258
|
105
|
Start
|
Unknown
|
324
|
Hamid Gul
|
3,238
|
104
|
C
|
Unknown
|
325
|
List of American spies
|
3,238
|
104
|
List
|
Unknown
|
326
|
List of United States Air Force reconnaissance aircraft
|
3,211
|
103
|
BL
|
Unknown
|
327
|
United States Army Counterintelligence
|
3,202
|
103
|
C
|
Unknown
|
328
|
Michael S. Rogers
|
3,200
|
103
|
C
|
Unknown
|
329
|
KH-9 Hexagon
|
3,193
|
103
|
C
|
Unknown
|
330
|
Type B Cipher Machine
|
3,186
|
102
|
C
|
Unknown
|
331
|
Directorate of Military Intelligence (India)
|
3,180
|
102
|
Start
|
Unknown
|
332
|
Duquesne Spy Ring
|
3,179
|
102
|
B
|
Unknown
|
333
|
Jindalee Operational Radar Network
|
3,178
|
102
|
B
|
Unknown
|
334
|
Australian Signals Directorate
|
3,168
|
102
|
Start
|
Unknown
|
335
|
Political warfare
|
3,154
|
101
|
C
|
Unknown
|
336
|
Imagery intelligence
|
3,145
|
101
|
Start
|
Unknown
|
337
|
Operation Jedburgh
|
3,120
|
100
|
C
|
Unknown
|
338
|
Cybersecurity Maturity Model Certification
|
3,097
|
99
|
C
|
Unknown
|
339
|
Strategy and tactics of guerrilla warfare
|
3,092
|
99
|
B
|
Unknown
|
340
|
Kenneth Bainbridge
|
3,057
|
98
|
GA
|
Unknown
|
341
|
Northrop F-15 Reporter
|
3,053
|
98
|
B
|
Unknown
|
342
|
Camp X
|
3,040
|
98
|
C
|
Unknown
|
343
|
Special Collection Service
|
2,978
|
96
|
C
|
Unknown
|
344
|
CIA influence on public opinion
|
2,974
|
95
|
Start
|
Unknown
|
345
|
CIA University
|
2,974
|
95
|
Start
|
Unknown
|
346
|
Russian disinformation
|
2,972
|
95
|
B
|
Unknown
|
347
|
R. H. Bruce Lockhart
|
2,952
|
95
|
Start
|
Unknown
|
348
|
Gloria Guinness
|
2,943
|
94
|
C
|
Unknown
|
349
|
Warrenton Training Center
|
2,928
|
94
|
B
|
Unknown
|
350
|
Hut 8
|
2,927
|
94
|
Start
|
Unknown
|
351
|
Federal Counterintelligence Service
|
2,901
|
93
|
Start
|
Unknown
|
352
|
Foreign internal defense
|
2,893
|
93
|
B
|
Unknown
|
353
|
Deuxième Bureau
|
2,859
|
92
|
C
|
Unknown
|
354
|
Unconventional warfare (United States)
|
2,852
|
92
|
C
|
Unknown
|
355
|
High Frequency Global Communications System
|
2,843
|
91
|
C
|
Unknown
|
356
|
SCL Group
|
2,829
|
91
|
C
|
Unknown
|
357
|
Counterintelligence Corps
|
2,825
|
91
|
Start
|
Unknown
|
358
|
Gary Schroen
|
2,822
|
91
|
Start
|
Unknown
|
359
|
Safari Club
|
2,817
|
90
|
C
|
Unknown
|
360
|
Pakistani Intelligence community
|
2,795
|
90
|
CL
|
Unknown
|
361
|
Kosmos 954
|
2,781
|
89
|
Start
|
Unknown
|
362
|
Iraq War documents leak
|
2,758
|
88
|
Start
|
Unknown
|
363
|
National Intelligence University
|
2,725
|
87
|
Start
|
Unknown
|
364
|
Freya Stark
|
2,717
|
87
|
C
|
Unknown
|
365
|
Carter Page
|
2,683
|
86
|
B
|
Unknown
|
366
|
Tropospheric scatter
|
2,668
|
86
|
Start
|
Unknown
|
367
|
CIA activities in the United States
|
2,656
|
85
|
Start
|
Unknown
|
368
|
MI4
|
2,634
|
84
|
Start
|
Unknown
|
369
|
AN/ALQ-218
|
2,621
|
84
|
Start
|
Unknown
|
370
|
Richard M. Bissell Jr.
|
2,598
|
83
|
C
|
Unknown
|
371
|
Victor Ostrovsky
|
2,597
|
83
|
Start
|
Unknown
|
372
|
Sugar Grove Station
|
2,577
|
83
|
Start
|
Unknown
|
373
|
Ali Mohamed (double agent)
|
2,572
|
82
|
Start
|
Unknown
|
374
|
Yuri Shvets
|
2,565
|
82
|
Start
|
Unknown
|
375
|
Heinrich Maier
|
2,543
|
82
|
Start
|
Unknown
|
376
|
Cobra Dane
|
2,539
|
81
|
Start
|
Unknown
|
377
|
Amy Elizabeth Thorpe
|
2,531
|
81
|
Start
|
Unknown
|
378
|
Aaron Cohen (actor)
|
2,519
|
81
|
Start
|
Unknown
|
379
|
Naval Intelligence Division (United Kingdom)
|
2,513
|
81
|
Start
|
Unknown
|
380
|
Fake news websites in the United States
|
2,508
|
80
|
Start
|
Unknown
|
381
|
Internal security
|
2,500
|
80
|
Start
|
Unknown
|
382
|
Richard Welch
|
2,494
|
80
|
Start
|
Unknown
|
383
|
Sarah Aaronsohn
|
2,471
|
79
|
C
|
Unknown
|
384
|
Nili
|
2,463
|
79
|
Start
|
Unknown
|
385
|
Hollow Nickel Case
|
2,459
|
79
|
Start
|
Unknown
|
386
|
Magic (cryptography)
|
2,448
|
78
|
Start
|
Unknown
|
387
|
List of spies in World War II
|
2,448
|
78
|
List
|
Unknown
|
388
|
Stepan Petrichenko
|
2,441
|
78
|
Start
|
Unknown
|
389
|
William F. Friedman
|
2,424
|
78
|
C
|
Unknown
|
390
|
Room 40
|
2,424
|
78
|
Start
|
Unknown
|
391
|
Portland spy ring
|
2,422
|
78
|
FA
|
Unknown
|
392
|
List of pro-Palestinian protests on university campuses in 2024
|
2,420
|
78
|
CL
|
Unknown
|
393
|
Elyesa Bazna
|
2,401
|
77
|
GA
|
Unknown
|
394
|
Blowback (intelligence)
|
2,366
|
76
|
Start
|
Unknown
|
395
|
Ministry of Public Security (Poland)
|
2,342
|
75
|
C
|
Unknown
|
396
|
General Intelligence Department (Jordan)
|
2,326
|
75
|
Start
|
Unknown
|
397
|
Ryszard Kukliński
|
2,319
|
74
|
C
|
Unknown
|
398
|
Agenzia Informazioni e Sicurezza Esterna
|
2,319
|
74
|
Start
|
Unknown
|
399
|
Intelligence cycle
|
2,309
|
74
|
C
|
Unknown
|
400
|
Sergei B. Korolev
|
2,307
|
74
|
C
|
Unknown
|
401
|
United States documents leak of the War in Afghanistan
|
2,305
|
74
|
Start
|
Unknown
|
402
|
Roscoe H. Hillenkoetter
|
2,285
|
73
|
C
|
Unknown
|
403
|
Patrick M. Hughes
|
2,282
|
73
|
Start
|
Unknown
|
404
|
Morris Cohen (spy)
|
2,276
|
73
|
C
|
Unknown
|
405
|
Clandestine HUMINT operational techniques
|
2,270
|
73
|
Start
|
Unknown
|
406
|
James N. Rowe
|
2,232
|
72
|
C
|
Unknown
|
407
|
Dirección de Inteligencia
|
2,231
|
71
|
Start
|
Unknown
|
408
|
Allied submarines in the Pacific War
|
2,230
|
71
|
C
|
Unknown
|
409
|
Ronald Pelton
|
2,228
|
71
|
Start
|
Unknown
|
410
|
Security and Intelligence Division
|
2,224
|
71
|
Start
|
Unknown
|
411
|
United States security clearance
|
2,213
|
71
|
Start
|
Unknown
|
412
|
G-2 (intelligence)
|
2,191
|
70
|
C
|
Unknown
|
413
|
Cairo Gang
|
2,164
|
69
|
Start
|
Unknown
|
414
|
Gennady Varenik
|
2,149
|
69
|
Stub
|
Unknown
|
415
|
F. F. E. Yeo-Thomas
|
2,130
|
68
|
Start
|
Unknown
|
416
|
First wave of European colonization
|
2,130
|
68
|
C
|
Unknown
|
417
|
Mechelen incident
|
2,116
|
68
|
Start
|
Unknown
|
418
|
National Intelligence Service (Greece)
|
2,097
|
67
|
Start
|
Unknown
|
419
|
Anthony Shaffer (intelligence officer)
|
2,083
|
67
|
Start
|
Unknown
|
420
|
SISMI
|
2,070
|
66
|
Start
|
Unknown
|
421
|
List of female SOE agents
|
2,064
|
66
|
List
|
Unknown
|
422
|
Able Danger
|
2,062
|
66
|
B
|
Unknown
|
423
|
Israeli Intelligence Corps
|
2,061
|
66
|
Start
|
Unknown
|
424
|
Orion (satellite)
|
2,059
|
66
|
Start
|
Unknown
|
425
|
Cyber threat intelligence
|
2,059
|
66
|
Start
|
Unknown
|
426
|
Formoza Military Unit
|
2,053
|
66
|
Start
|
Unknown
|
427
|
645th Aeronautical Systems Group
|
2,049
|
66
|
Start
|
Unknown
|
428
|
National Air and Space Intelligence Center
|
2,049
|
66
|
Start
|
Unknown
|
429
|
Military psychology
|
2,030
|
65
|
Start
|
Unknown
|
430
|
German Corpse Factory
|
2,024
|
65
|
C
|
Unknown
|
431
|
United States Army Security Agency
|
2,008
|
64
|
C
|
Unknown
|
432
|
Leo Marks
|
1,996
|
64
|
C
|
Unknown
|
433
|
Cutout (espionage)
|
1,996
|
64
|
Stub
|
Unknown
|
434
|
Main Directorate for Reconnaissance
|
1,983
|
63
|
Start
|
Unknown
|
435
|
David Atlee Phillips
|
1,969
|
63
|
Start
|
Unknown
|
436
|
Akhtar Abdur Rahman
|
1,962
|
63
|
C
|
Unknown
|
437
|
Mildred Harnack
|
1,950
|
62
|
C
|
Unknown
|
438
|
MOD Chicksands
|
1,949
|
62
|
Start
|
Unknown
|
439
|
Coastwatchers
|
1,931
|
62
|
C
|
Unknown
|
440
|
Counterproliferation
|
1,930
|
62
|
Start
|
Unknown
|
441
|
John Vassos
|
1,928
|
62
|
Start
|
Unknown
|
442
|
Ofeq
|
1,923
|
62
|
Start
|
Unknown
|
443
|
List of KGB defectors
|
1,917
|
61
|
BL
|
Unknown
|
444
|
Alfred Redl
|
1,916
|
61
|
C
|
Unknown
|
445
|
T-Force
|
1,912
|
61
|
Start
|
Unknown
|
446
|
Romanian Intelligence Service
|
1,885
|
60
|
C
|
Unknown
|
447
|
Mabahith
|
1,884
|
60
|
Start
|
Unknown
|
448
|
Total Information Awareness
|
1,883
|
60
|
B
|
Unknown
|
449
|
Oniwaban
|
1,869
|
60
|
Start
|
Unknown
|
450
|
The Squeaky Wheel
|
1,859
|
59
|
Start
|
Unknown
|
451
|
Walter Cawthorn
|
1,857
|
59
|
B
|
Unknown
|
452
|
Revolution in military affairs
|
1,852
|
59
|
Start
|
Unknown
|
453
|
CIA activities in Japan
|
1,848
|
59
|
GA
|
Unknown
|
454
|
Zaheer-ul-Islam
|
1,842
|
59
|
Start
|
Unknown
|
455
|
Bureau 121
|
1,822
|
58
|
Start
|
Unknown
|
456
|
Lona Cohen
|
1,802
|
58
|
C
|
Unknown
|
457
|
Propaganda during the Yugoslav Wars
|
1,800
|
58
|
C
|
Unknown
|
458
|
George Koval
|
1,789
|
57
|
FA
|
Unknown
|
459
|
Traffic analysis
|
1,785
|
57
|
Start
|
Unknown
|
460
|
First Aid Nursing Yeomanry
|
1,766
|
56
|
C
|
Unknown
|
461
|
Hawaii Cryptologic Center
|
1,766
|
56
|
Stub
|
Unknown
|
462
|
Denis Sergeev (GRU officer)
|
1,764
|
56
|
Start
|
Unknown
|
463
|
Cryptanalysis of the Lorenz cipher
|
1,760
|
56
|
C
|
Unknown
|
464
|
Cyber and Information Domain Service
|
1,749
|
56
|
B
|
Unknown
|
465
|
United States person
|
1,741
|
56
|
Start
|
Unknown
|
466
|
Walter Krivitsky
|
1,733
|
55
|
C
|
Unknown
|
467
|
Iosif Grigulevich
|
1,727
|
55
|
C
|
Unknown
|
468
|
Propaganda through media
|
1,727
|
55
|
C
|
Unknown
|
469
|
Operation Epsilon
|
1,715
|
55
|
Start
|
Unknown
|
470
|
Le petit soldat
|
1,703
|
54
|
Start
|
Unknown
|
471
|
Agent of influence
|
1,698
|
54
|
Start
|
Unknown
|
472
|
Lorraine Copeland
|
1,696
|
54
|
C
|
Unknown
|
473
|
Multi-spectral camouflage
|
1,668
|
53
|
C
|
Unknown
|
474
|
Vishnya-class intelligence ship
|
1,661
|
53
|
Start
|
Unknown
|
475
|
United Kingdom Space Command
|
1,655
|
53
|
Start
|
Unknown
|
476
|
Defense Support Program
|
1,653
|
53
|
C
|
Unknown
|
477
|
Sidney Souers
|
1,652
|
53
|
Start
|
Unknown
|
478
|
Military Counterintelligence Service (Germany)
|
1,637
|
52
|
Start
|
Unknown
|
479
|
Double Dragon (hacking group)
|
1,632
|
52
|
C
|
Unknown
|
480
|
Misty (satellite program)
|
1,600
|
51
|
Start
|
Unknown
|
481
|
Signals intelligence operational platforms by nation
|
1,598
|
51
|
Start
|
Unknown
|
482
|
Compartmentalization (information security)
|
1,592
|
51
|
Start
|
Unknown
|
483
|
Vulkan files leak
|
1,565
|
50
|
Start
|
Unknown
|
484
|
Confederate Secret Service
|
1,555
|
50
|
Start
|
Unknown
|
485
|
Norwegian Intelligence Service
|
1,552
|
50
|
C
|
Unknown
|
486
|
2023 Qatar espionage case
|
1,550
|
50
|
C
|
Unknown
|
487
|
Sir George Downing, 1st Baronet
|
1,547
|
49
|
C
|
Unknown
|
488
|
Operation Creek
|
1,547
|
49
|
C
|
Unknown
|
489
|
Force Research Unit
|
1,545
|
49
|
C
|
Unknown
|
490
|
Duress code
|
1,544
|
49
|
Start
|
Unknown
|
491
|
USA-247
|
1,544
|
49
|
Start
|
Unknown
|
492
|
Vasili Oshchepkov
|
1,544
|
49
|
Start
|
Unknown
|
493
|
List of counter-terrorism agencies
|
1,534
|
49
|
List
|
Unknown
|
494
|
Stuart A. Herrington
|
1,532
|
49
|
Start
|
Unknown
|
495
|
Medvedev Forest massacre
|
1,532
|
49
|
Start
|
Unknown
|
496
|
Air Force Intelligence, Surveillance and Reconnaissance Agency
|
1,519
|
49
|
Start
|
Unknown
|
497
|
Words of estimative probability
|
1,517
|
48
|
Start
|
Unknown
|
498
|
David Shaltiel
|
1,512
|
48
|
C
|
Unknown
|
499
|
Lacrosse (satellite)
|
1,508
|
48
|
Start
|
Unknown
|
500
|
Military liaison missions
|
1,501
|
48
|
Start
|
Unknown
|