| Rank
|
Page title
|
Views
|
Daily average
|
Assessment
|
Importance
|
| 1
|
September 11 attacks
|
446,234
|
14,394
|
GA
|
Unknown
|
| 2
|
Osama bin Laden
|
381,639
|
12,310
|
B
|
Unknown
|
| 3
|
J. Robert Oppenheimer
|
331,796
|
10,703
|
FA
|
Unknown
|
| 4
|
Dwight D. Eisenhower
|
281,975
|
9,095
|
B
|
Unknown
|
| 5
|
MKUltra
|
279,706
|
9,022
|
C
|
Unknown
|
| 6
|
USS Liberty incident
|
274,687
|
8,860
|
C
|
Unknown
|
| 7
|
Lockheed Martin RQ-170 Sentinel
|
150,186
|
4,844
|
GA
|
Unknown
|
| 8
|
Central Intelligence Agency
|
150,082
|
4,841
|
B
|
Unknown
|
| 9
|
Killing of Osama bin Laden
|
146,763
|
4,734
|
GA
|
Unknown
|
| 10
|
Enigma machine
|
112,656
|
3,634
|
C
|
Unknown
|
| 11
|
Abu Ghraib torture and prisoner abuse
|
112,376
|
3,625
|
B
|
Unknown
|
| 12
|
Mossad
|
109,807
|
3,542
|
C
|
Unknown
|
| 13
|
Operation Mincemeat
|
107,792
|
3,477
|
FA
|
Unknown
|
| 14
|
Oskar Schindler
|
91,864
|
2,963
|
GA
|
Unknown
|
| 15
|
Coco Chanel
|
88,545
|
2,856
|
B
|
Unknown
|
| 16
|
Lockheed Martin SR-72
|
82,192
|
2,651
|
B
|
Unknown
|
| 17
|
Space Tracking and Surveillance System
|
80,062
|
2,582
|
Start
|
Unknown
|
| 18
|
Hafez Makhlouf
|
75,556
|
2,437
|
C
|
Unknown
|
| 19
|
The Imitation Game
|
75,386
|
2,431
|
C
|
Unknown
|
| 20
|
Waterboarding
|
73,664
|
2,376
|
B
|
Unknown
|
| 21
|
Five Eyes
|
71,512
|
2,306
|
C
|
Unknown
|
| 22
|
Lockheed U-2
|
71,209
|
2,297
|
B
|
Unknown
|
| 23
|
KGB
|
69,980
|
2,257
|
C
|
Unknown
|
| 24
|
Saif al-Adel
|
69,881
|
2,254
|
B
|
Unknown
|
| 25
|
Defense Support Program
|
69,499
|
2,241
|
C
|
Unknown
|
| 26
|
MI5
|
66,337
|
2,139
|
B
|
Unknown
|
| 27
|
Ninja
|
61,601
|
1,987
|
B
|
Unknown
|
| 28
|
Yoshiko Kawashima
|
58,397
|
1,883
|
B
|
Unknown
|
| 29
|
September 11 attacks advance-knowledge conspiracy theories
|
58,185
|
1,876
|
Start
|
Unknown
|
| 30
|
2023 Chinese balloon incident
|
56,525
|
1,823
|
B
|
Unknown
|
| 31
|
United States Department of Homeland Security
|
55,592
|
1,793
|
C
|
Unknown
|
| 32
|
Lockheed A-12
|
55,514
|
1,790
|
B
|
Unknown
|
| 33
|
Mata Hari
|
53,747
|
1,733
|
B
|
Unknown
|
| 34
|
Robert Maxwell
|
53,520
|
1,726
|
C
|
Unknown
|
| 35
|
Stargate Project
|
49,904
|
1,609
|
C
|
Unknown
|
| 36
|
NKVD
|
47,880
|
1,544
|
Start
|
Unknown
|
| 37
|
Dreyfus affair
|
47,113
|
1,519
|
B
|
Unknown
|
| 38
|
Cambridge Five
|
44,978
|
1,450
|
Start
|
Unknown
|
| 39
|
Reality Winner
|
44,517
|
1,436
|
B
|
Unknown
|
| 40
|
Research and Analysis Wing
|
44,246
|
1,427
|
C
|
Unknown
|
| 41
|
Intelligence Support Activity
|
43,730
|
1,410
|
Start
|
Unknown
|
| 42
|
Kim Philby
|
43,190
|
1,393
|
C
|
Unknown
|
| 43
|
Covert operation
|
42,996
|
1,386
|
Start
|
Unknown
|
| 44
|
Hiroo Onoda
|
42,565
|
1,373
|
C
|
Unknown
|
| 45
|
1953 Iranian coup d'état
|
39,710
|
1,280
|
B
|
Unknown
|
| 46
|
UVB-76
|
37,193
|
1,199
|
C
|
Unknown
|
| 47
|
GCHQ
|
36,606
|
1,180
|
B
|
Unknown
|
| 48
|
Aldrich Ames
|
36,327
|
1,171
|
C
|
Unknown
|
| 49
|
Defense Intelligence Agency
|
35,021
|
1,129
|
B
|
Unknown
|
| 50
|
John Ratcliffe (American politician)
|
34,681
|
1,118
|
C
|
Unknown
|
| 51
|
Duga radar
|
33,517
|
1,081
|
C
|
Unknown
|
| 52
|
Klaus Fuchs
|
33,255
|
1,072
|
GA
|
Unknown
|
| 53
|
W. Somerset Maugham
|
32,867
|
1,060
|
FA
|
Unknown
|
| 54
|
United States involvement in regime change
|
32,540
|
1,049
|
C
|
Unknown
|
| 55
|
Espionage
|
31,954
|
1,030
|
C
|
Unknown
|
| 56
|
Military Intelligence Directorate (Syria)
|
31,285
|
1,009
|
Stub
|
Unknown
|
| 57
|
Enoch Powell
|
30,876
|
996
|
B
|
Unknown
|
| 58
|
Propaganda
|
30,824
|
994
|
C
|
Unknown
|
| 59
|
Office of Strategic Services
|
30,819
|
994
|
Start
|
Unknown
|
| 60
|
Inter-Services Intelligence
|
30,683
|
989
|
C
|
Unknown
|
| 61
|
Shin Bet
|
30,668
|
989
|
Start
|
Unknown
|
| 62
|
Russian interference in the 2016 United States elections
|
30,506
|
984
|
C
|
Unknown
|
| 63
|
Franz von Papen
|
30,088
|
970
|
B
|
Unknown
|
| 64
|
GRU (Russian Federation)
|
29,441
|
949
|
C
|
Unknown
|
| 65
|
United States Intelligence Community
|
28,541
|
920
|
C
|
Unknown
|
| 66
|
Special Operations Executive
|
28,418
|
916
|
C
|
Unknown
|
| 67
|
Jack Ryan (character)
|
28,366
|
915
|
C
|
Unknown
|
| 68
|
Enhanced interrogation techniques
|
27,886
|
899
|
B
|
Unknown
|
| 69
|
Nikolai Yezhov
|
26,007
|
838
|
C
|
Unknown
|
| 70
|
Signals intelligence
|
25,542
|
823
|
Start
|
Unknown
|
| 71
|
Foreign Intelligence Service (Russia)
|
24,968
|
805
|
B
|
Unknown
|
| 72
|
Francis Gary Powers
|
24,842
|
801
|
C
|
Unknown
|
| 73
|
The Thing (listening device)
|
24,403
|
787
|
Start
|
Unknown
|
| 74
|
Edwin T. Layton
|
23,969
|
773
|
C
|
Unknown
|
| 75
|
Open-source intelligence
|
23,734
|
765
|
Start
|
Unknown
|
| 76
|
Spetsnaz GRU
|
23,298
|
751
|
Start
|
Unknown
|
| 77
|
SpaceX Starshield
|
23,230
|
749
|
C
|
Unknown
|
| 78
|
Classified information in the United States
|
22,608
|
729
|
C
|
Unknown
|
| 79
|
Sicherheitsdienst
|
22,262
|
718
|
B
|
Unknown
|
| 80
|
Zimmermann telegram
|
22,065
|
711
|
B
|
Unknown
|
| 81
|
Marburg Files
|
21,983
|
709
|
Start
|
Unknown
|
| 82
|
Pine Gap
|
21,476
|
692
|
Start
|
Unknown
|
| 83
|
Propaganda in Nazi Germany
|
21,466
|
692
|
C
|
Unknown
|
| 84
|
National Intelligence Service (South Korea)
|
21,367
|
689
|
Start
|
Unknown
|
| 85
|
Pierre-sur-Haute military radio station
|
21,344
|
688
|
GA
|
Unknown
|
| 86
|
Michael Cohen (lawyer)
|
20,603
|
664
|
C
|
Unknown
|
| 87
|
Sleeper agent
|
20,234
|
652
|
Start
|
Unknown
|
| 88
|
Numbers station
|
20,079
|
647
|
C
|
Unknown
|
| 89
|
Cambridge Analytica
|
20,013
|
645
|
C
|
Unknown
|
| 90
|
Dudley Clarke
|
19,953
|
643
|
FA
|
Unknown
|
| 91
|
James Jesus Angleton
|
19,613
|
632
|
C
|
Unknown
|
| 92
|
Bletchley Park
|
19,286
|
622
|
B
|
Unknown
|
| 93
|
Classified information
|
19,210
|
619
|
C
|
Unknown
|
| 94
|
Abwehr
|
19,010
|
613
|
C
|
Unknown
|
| 95
|
Barzan Ibrahim al-Tikriti
|
18,757
|
605
|
C
|
Unknown
|
| 96
|
Director of Central Intelligence
|
18,197
|
587
|
C
|
Unknown
|
| 97
|
Oppenheimer security clearance hearing
|
18,171
|
586
|
FA
|
Unknown
|
| 98
|
List of private military contractors
|
18,059
|
582
|
List
|
Unknown
|
| 99
|
Phoenix Program
|
18,056
|
582
|
Start
|
Unknown
|
| 100
|
1960 U-2 incident
|
17,919
|
578
|
B
|
Unknown
|
| 101
|
Nunes memo
|
17,874
|
576
|
B
|
Unknown
|
| 102
|
Boeing X-37
|
17,770
|
573
|
B
|
Unknown
|
| 103
|
Richard Francis Burton
|
17,459
|
563
|
B
|
Unknown
|
| 104
|
Allegations of CIA assistance to Osama bin Laden
|
17,428
|
562
|
Start
|
Unknown
|
| 105
|
Big lie
|
17,414
|
561
|
C
|
Unknown
|
| 106
|
Paul Whelan
|
17,335
|
559
|
C
|
Unknown
|
| 107
|
Ramstein Air Base
|
17,299
|
558
|
C
|
Unknown
|
| 108
|
Rudolf Abel
|
17,277
|
557
|
A
|
Unknown
|
| 109
|
Joan Clarke
|
17,244
|
556
|
C
|
Unknown
|
| 110
|
Main Directorate of Intelligence (Ukraine)
|
17,216
|
555
|
Start
|
Unknown
|
| 111
|
ECHELON
|
17,109
|
551
|
B
|
Unknown
|
| 112
|
DeepStateMap.Live
|
16,910
|
545
|
GA
|
Unknown
|
| 113
|
National Investigation Agency
|
15,847
|
511
|
Start
|
Unknown
|
| 114
|
Ana Montes
|
15,798
|
509
|
Start
|
Unknown
|
| 115
|
Oleg Gordievsky
|
15,506
|
500
|
C
|
Unknown
|
| 116
|
Operation Neptune Spear
|
15,475
|
499
|
Redirect
|
Unknown
|
| 117
|
Directorate of Military Intelligence (United Kingdom)
|
15,176
|
489
|
C
|
Unknown
|
| 118
|
Northrop Grumman RQ-180
|
15,111
|
487
|
Start
|
Unknown
|
| 119
|
Lockheed D-21
|
14,686
|
473
|
A
|
Unknown
|
| 120
|
List of CIA controversies
|
14,607
|
471
|
CL
|
Unknown
|
| 121
|
Counterterrorism
|
14,407
|
464
|
Start
|
Unknown
|
| 122
|
William J. Donovan
|
13,751
|
443
|
B
|
Unknown
|
| 123
|
Gertrude Bell
|
13,688
|
441
|
B
|
Unknown
|
| 124
|
Lubyanka Building
|
13,329
|
429
|
Start
|
Unknown
|
| 125
|
Virginia Hall
|
13,327
|
429
|
B
|
Unknown
|
| 126
|
George Tenet
|
13,274
|
428
|
Start
|
Unknown
|
| 127
|
Q clearance
|
13,130
|
423
|
Start
|
Unknown
|
| 128
|
National Reconnaissance Office
|
13,068
|
421
|
C
|
Unknown
|
| 129
|
Project Azorian
|
13,036
|
420
|
C
|
Unknown
|
| 130
|
British intelligence agencies
|
12,979
|
418
|
C
|
Unknown
|
| 131
|
Counterintelligence
|
12,800
|
412
|
C
|
Unknown
|
| 132
|
Intelligence, surveillance, target acquisition, and reconnaissance
|
12,750
|
411
|
Start
|
Unknown
|
| 133
|
Disinformation in the Russian invasion of Ukraine
|
12,673
|
408
|
C
|
Unknown
|
| 134
|
Francis Walsingham
|
12,398
|
399
|
FA
|
Unknown
|
| 135
|
2014 Sony Pictures hack
|
12,373
|
399
|
C
|
Unknown
|
| 136
|
National Intelligence Organization
|
12,275
|
395
|
Start
|
Unknown
|
| 137
|
John Cairncross
|
12,096
|
390
|
C
|
Unknown
|
| 138
|
Donald Maclean (spy)
|
11,953
|
385
|
C
|
Unknown
|
| 139
|
Counterinsurgency
|
11,728
|
378
|
Start
|
Unknown
|
| 140
|
Bombe
|
11,702
|
377
|
C
|
Unknown
|
| 141
|
Oleg Penkovsky
|
11,601
|
374
|
Start
|
Unknown
|
| 142
|
Double agent
|
11,588
|
373
|
Start
|
Unknown
|
| 143
|
Catherine Dior
|
11,495
|
370
|
B
|
Unknown
|
| 144
|
Black legend
|
11,448
|
369
|
C
|
Unknown
|
| 145
|
Boris Pash
|
11,433
|
368
|
C
|
Unknown
|
| 146
|
Clandestine operation
|
11,337
|
365
|
Start
|
Unknown
|
| 147
|
Kulbhushan Jadhav
|
10,900
|
351
|
B
|
Unknown
|
| 148
|
Military intelligence
|
10,844
|
349
|
Start
|
Unknown
|
| 149
|
Sinking of the Rainbow Warrior
|
10,633
|
343
|
C
|
Unknown
|
| 150
|
Richard Sorge
|
10,583
|
341
|
B
|
Unknown
|
| 151
|
Disinformation
|
10,518
|
339
|
Start
|
Unknown
|
| 152
|
Ultra (cryptography)
|
10,120
|
326
|
C
|
Unknown
|
| 153
|
Utah Data Center
|
10,071
|
324
|
C
|
Unknown
|
| 154
|
United States involvement in regime change in Latin America
|
10,031
|
323
|
Start
|
Unknown
|
| 155
|
Frank Olson
|
9,999
|
322
|
C
|
Unknown
|
| 156
|
Double-Cross System
|
9,959
|
321
|
Start
|
Unknown
|
| 157
|
Espionage Act of 1917
|
9,887
|
318
|
Start
|
Unknown
|
| 158
|
Enigma (2001 film)
|
9,682
|
312
|
C
|
Unknown
|
| 159
|
Chuck Robb
|
9,618
|
310
|
C
|
Unknown
|
| 160
|
Human intelligence (intelligence gathering)
|
9,616
|
310
|
Start
|
Unknown
|
| 161
|
Hybrid warfare
|
9,562
|
308
|
Start
|
Unknown
|
| 162
|
Iran–U.S. RQ-170 incident
|
9,507
|
306
|
Start
|
Unknown
|
| 163
|
Military Intelligence Directorate (Israel)
|
9,416
|
303
|
Start
|
Unknown
|
| 164
|
Sidney Reilly
|
9,384
|
302
|
B
|
Unknown
|
| 165
|
William Francis Buckley
|
9,363
|
302
|
Start
|
Unknown
|
| 166
|
Glomar Explorer
|
9,346
|
301
|
Start
|
Unknown
|
| 167
|
Venona project
|
9,285
|
299
|
B
|
Unknown
|
| 168
|
Operation Goldeneye
|
9,003
|
290
|
B
|
Unknown
|
| 169
|
Clandestine cell system
|
8,988
|
289
|
B
|
Unknown
|
| 170
|
Leon Theremin
|
8,939
|
288
|
Start
|
Unknown
|
| 171
|
Joseph McMoneagle
|
8,885
|
286
|
Start
|
Unknown
|
| 172
|
Juan Pujol García
|
8,880
|
286
|
C
|
Unknown
|
| 173
|
Cyberwarfare
|
8,850
|
285
|
C
|
Unknown
|
| 174
|
Fritz Duquesne
|
8,823
|
284
|
C
|
Unknown
|
| 175
|
Amrullah Saleh
|
8,795
|
283
|
GA
|
Unknown
|
| 176
|
Culper Ring
|
8,746
|
282
|
B
|
Unknown
|
| 177
|
Dmitri Polyakov
|
8,711
|
281
|
Start
|
Unknown
|
| 178
|
Michael Hayden (general)
|
8,663
|
279
|
C
|
Unknown
|
| 179
|
GRU (Soviet Union)
|
8,604
|
277
|
C
|
Unknown
|
| 180
|
Mansfield Smith-Cumming
|
8,419
|
271
|
Start
|
Unknown
|
| 181
|
Spy film
|
8,363
|
269
|
Start
|
Unknown
|
| 182
|
Viktor Belenko
|
8,315
|
268
|
Start
|
Unknown
|
| 183
|
Military Intelligence Corps (United States Army)
|
8,252
|
266
|
C
|
Unknown
|
| 184
|
David Atlee Phillips
|
8,181
|
263
|
Start
|
Unknown
|
| 185
|
List of military tactics
|
8,057
|
259
|
CL
|
Unknown
|
| 186
|
Ion Mihai Pacepa
|
8,006
|
258
|
C
|
Unknown
|
| 187
|
Special reconnaissance
|
7,946
|
256
|
C
|
Unknown
|
| 188
|
James B. Donovan
|
7,918
|
255
|
C
|
Unknown
|
| 189
|
Black propaganda
|
7,817
|
252
|
C
|
Unknown
|
| 190
|
Kim Hyon-hui
|
7,812
|
252
|
Start
|
Unknown
|
| 191
|
Reinhard Gehlen
|
7,769
|
250
|
C
|
Unknown
|
| 192
|
Nancy Wake
|
7,722
|
249
|
C
|
Unknown
|
| 193
|
Joint Special Operations Command Task Force in the Iraq War
|
7,573
|
244
|
C
|
Unknown
|
| 194
|
Atomic spies
|
7,551
|
243
|
Start
|
Unknown
|
| 195
|
The Doughnut
|
7,478
|
241
|
GA
|
Unknown
|
| 196
|
KH-11 KENNEN
|
7,453
|
240
|
C
|
Unknown
|
| 197
|
Access control
|
7,367
|
237
|
Start
|
Unknown
|
| 198
|
1st Reconnaissance Battalion
|
7,342
|
236
|
C
|
Unknown
|
| 199
|
Carter Page
|
7,266
|
234
|
B
|
Unknown
|
| 200
|
Salt Pit
|
7,253
|
233
|
Start
|
Unknown
|
| 201
|
James Clapper
|
7,241
|
233
|
Start
|
Unknown
|
| 202
|
Miles Copeland Jr.
|
7,141
|
230
|
Start
|
Unknown
|
| 203
|
Walter Bedell Smith
|
7,044
|
227
|
A
|
Unknown
|
| 204
|
Violette Szabo
|
7,013
|
226
|
C
|
Unknown
|
| 205
|
UKUSA Agreement
|
6,993
|
225
|
Start
|
Unknown
|
| 206
|
Circular reporting
|
6,972
|
224
|
C
|
Unknown
|
| 207
|
Director-General of Inter-Services Intelligence
|
6,908
|
222
|
CL
|
Unknown
|
| 208
|
Magic (cryptography)
|
6,889
|
222
|
Start
|
Unknown
|
| 209
|
Organizational structure of the Central Intelligence Agency
|
6,810
|
219
|
Stub
|
Unknown
|
| 210
|
Operation Fortitude
|
6,737
|
217
|
C
|
Unknown
|
| 211
|
Dan Coats
|
6,699
|
216
|
C
|
Unknown
|
| 212
|
David Greenglass
|
6,699
|
216
|
GA
|
Unknown
|
| 213
|
Krystyna Skarbek
|
6,665
|
215
|
B
|
Unknown
|
| 214
|
Office of Naval Intelligence
|
6,431
|
207
|
Start
|
Unknown
|
| 215
|
Defence Intelligence
|
6,414
|
206
|
Start
|
Unknown
|
| 216
|
George Blake
|
6,390
|
206
|
Start
|
Unknown
|
| 217
|
Equation Group
|
6,358
|
205
|
Start
|
Unknown
|
| 218
|
Operations security
|
6,316
|
203
|
Start
|
Unknown
|
| 219
|
The Shadow Brokers
|
6,299
|
203
|
Start
|
Unknown
|
| 220
|
Gehlen Organization
|
6,167
|
198
|
Start
|
Unknown
|
| 221
|
Ivan Serov
|
6,163
|
198
|
C
|
Unknown
|
| 222
|
Tradecraft
|
6,079
|
196
|
Start
|
Unknown
|
| 223
|
Ferdinand Walsin Esterhazy
|
6,053
|
195
|
C
|
Unknown
|
| 224
|
Markus Wolf
|
6,008
|
193
|
C
|
Unknown
|
| 225
|
Cabinet Office Briefing Rooms
|
5,956
|
192
|
Start
|
Unknown
|
| 226
|
MI7
|
5,956
|
192
|
C
|
Unknown
|
| 227
|
Ashfaq Parvez Kayani
|
5,860
|
189
|
C
|
Unknown
|
| 228
|
American propaganda during World War II
|
5,834
|
188
|
B
|
Unknown
|
| 229
|
Lorenz cipher
|
5,825
|
187
|
C
|
Unknown
|
| 230
|
National Bureau of Investigation (Philippines)
|
5,765
|
185
|
Start
|
Unknown
|
| 231
|
Measurement and signature intelligence
|
5,715
|
184
|
C
|
Unknown
|
| 232
|
Ministry of Intelligence (Iran)
|
5,686
|
183
|
C
|
Unknown
|
| 233
|
Targeted killing
|
5,650
|
182
|
C
|
Unknown
|
| 234
|
Intelligence Corps (United Kingdom)
|
5,584
|
180
|
C
|
Unknown
|
| 235
|
Operation Bodyguard
|
5,578
|
179
|
Start
|
Unknown
|
| 236
|
Black Dragon Society
|
5,533
|
178
|
Start
|
Unknown
|
| 237
|
Clandestine human intelligence
|
5,509
|
177
|
Start
|
Unknown
|
| 238
|
CORONA (satellite)
|
5,478
|
176
|
C
|
Unknown
|
| 239
|
Mole (espionage)
|
5,432
|
175
|
Start
|
Unknown
|
| 240
|
Reconnaissance satellite
|
5,388
|
173
|
Start
|
Unknown
|
| 241
|
Chinese intelligence activity abroad
|
5,380
|
173
|
Start
|
Unknown
|
| 242
|
Surveillance aircraft
|
5,379
|
173
|
Start
|
Unknown
|
| 243
|
Open secret
|
5,342
|
172
|
Start
|
Unknown
|
| 244
|
Fake news website
|
5,287
|
170
|
C
|
Unknown
|
| 245
|
Harold James Nicholson
|
5,279
|
170
|
Start
|
Unknown
|
| 246
|
Adolf Tolkachev
|
5,260
|
169
|
Start
|
Unknown
|
| 247
|
Black operation
|
5,254
|
169
|
Start
|
Unknown
|
| 248
|
Chinese espionage in the United States
|
5,248
|
169
|
Start
|
Unknown
|
| 249
|
Iraqi Intelligence Service
|
5,203
|
167
|
Start
|
Unknown
|
| 250
|
Intelligence agencies of Russia
|
5,170
|
166
|
Start
|
Unknown
|
| 251
|
Lionel Crabb
|
5,164
|
166
|
C
|
Unknown
|
| 252
|
German tank problem
|
5,097
|
164
|
C
|
Unknown
|
| 253
|
Intelligence Bureau (Pakistan)
|
5,093
|
164
|
Start
|
Unknown
|
| 254
|
List of NRO launches
|
5,047
|
162
|
CL
|
Unknown
|
| 255
|
Interrogation
|
5,016
|
161
|
Start
|
Unknown
|
| 256
|
Camp X
|
4,959
|
159
|
C
|
Unknown
|
| 257
|
Edward Lee Howard
|
4,922
|
158
|
C
|
Unknown
|
| 258
|
Oster conspiracy
|
4,916
|
158
|
Start
|
Unknown
|
| 259
|
Hamid Gul
|
4,913
|
158
|
C
|
Unknown
|
| 260
|
Information warfare
|
4,820
|
155
|
C
|
Unknown
|
| 261
|
United States Army Intelligence and Security Command
|
4,808
|
155
|
C
|
Unknown
|
| 262
|
United States security clearance
|
4,763
|
153
|
Start
|
Unknown
|
| 263
|
List of spymasters
|
4,740
|
152
|
List
|
Unknown
|
| 264
|
Deuxième Bureau
|
4,701
|
151
|
C
|
Unknown
|
| 265
|
Stewart Menzies
|
4,698
|
151
|
C
|
Unknown
|
| 266
|
Cozy Bear
|
4,693
|
151
|
B
|
Unknown
|
| 267
|
Resident spy
|
4,692
|
151
|
Start
|
Unknown
|
| 268
|
St John Philby
|
4,672
|
150
|
C
|
Unknown
|
| 269
|
Alsos Mission
|
4,669
|
150
|
FA
|
Unknown
|
| 270
|
Eliza Manningham-Buller
|
4,666
|
150
|
C
|
Unknown
|
| 271
|
Mass surveillance in the United States
|
4,652
|
150
|
B
|
Unknown
|
| 272
|
Disappearance of Robert Levinson
|
4,552
|
146
|
B
|
Unknown
|
| 273
|
General Intelligence Presidency
|
4,531
|
146
|
Start
|
Unknown
|
| 274
|
L. Fletcher Prouty
|
4,486
|
144
|
Start
|
Unknown
|
| 275
|
Juanita Castro
|
4,454
|
143
|
Start
|
Unknown
|
| 276
|
Grey literature
|
4,338
|
139
|
Start
|
Unknown
|
| 277
|
Douglas Kelley
|
4,237
|
136
|
Start
|
Unknown
|
| 278
|
Force Research Unit
|
4,106
|
132
|
C
|
Unknown
|
| 279
|
Gary Berntsen
|
4,055
|
130
|
Start
|
Unknown
|
| 280
|
Vitaly Yurchenko
|
4,055
|
130
|
Start
|
Unknown
|
| 281
|
German submarine U-110 (1940)
|
4,050
|
130
|
Start
|
Unknown
|
| 282
|
Richard Tomlinson
|
4,050
|
130
|
GA
|
Unknown
|
| 283
|
First Chief Directorate
|
4,024
|
129
|
B
|
Unknown
|
| 284
|
Israeli Intelligence Community
|
3,941
|
127
|
Start
|
Unknown
|
| 285
|
The Squeaky Wheel
|
3,917
|
126
|
Start
|
Unknown
|
| 286
|
Kenneth Bainbridge
|
3,911
|
126
|
GA
|
Unknown
|
| 287
|
Chronology of Soviet secret police agencies
|
3,872
|
124
|
C
|
Unknown
|
| 288
|
Meir Dagan
|
3,856
|
124
|
C
|
Unknown
|
| 289
|
Resistance to interrogation
|
3,843
|
123
|
Stub
|
Unknown
|
| 290
|
Reconnaissance General Bureau
|
3,799
|
122
|
Start
|
Unknown
|
| 291
|
CIA activities in the United States
|
3,794
|
122
|
Start
|
Unknown
|
| 292
|
Duquesne Spy Ring
|
3,777
|
121
|
B
|
Unknown
|
| 293
|
Eye of the Needle (novel)
|
3,748
|
120
|
Start
|
Unknown
|
| 294
|
Communications Security Establishment
|
3,729
|
120
|
C
|
Unknown
|
| 295
|
General Intelligence Department (Jordan)
|
3,720
|
120
|
Start
|
Unknown
|
| 296
|
Bin Ladin Determined To Strike in US
|
3,699
|
119
|
C
|
Unknown
|
| 297
|
Recruitment of spies
|
3,699
|
119
|
Start
|
Unknown
|
| 298
|
Intelligence assessment
|
3,678
|
118
|
Start
|
Unknown
|
| 299
|
History of the Central Intelligence Agency
|
3,650
|
117
|
B
|
Unknown
|
| 300
|
Vera Atkins
|
3,608
|
116
|
Start
|
Unknown
|
| 301
|
List of American spies
|
3,602
|
116
|
List
|
Unknown
|
| 302
|
Ursula Kuczynski
|
3,589
|
115
|
C
|
Unknown
|
| 303
|
Alexander Parvus
|
3,578
|
115
|
C
|
Unknown
|
| 304
|
Pavel Sudoplatov
|
3,569
|
115
|
Start
|
Unknown
|
| 305
|
Charlotte Gray (film)
|
3,548
|
114
|
C
|
Unknown
|
| 306
|
United States Army Counterintelligence
|
3,497
|
112
|
C
|
Unknown
|
| 307
|
Station IX
|
3,488
|
112
|
Start
|
Unknown
|
| 308
|
Defence Intelligence Agency (India)
|
3,480
|
112
|
Start
|
Unknown
|
| 309
|
Vasili Mitrokhin
|
3,469
|
111
|
Start
|
Unknown
|
| 310
|
Vela (satellite)
|
3,467
|
111
|
Start
|
Unknown
|
| 311
|
James N. Rowe
|
3,466
|
111
|
C
|
Unknown
|
| 312
|
Heinrich Maier
|
3,456
|
111
|
Start
|
Unknown
|
| 313
|
James Tiptree Jr.
|
3,432
|
110
|
C
|
Unknown
|
| 314
|
History of propaganda
|
3,418
|
110
|
C
|
Unknown
|
| 315
|
Richard M. Bissell Jr.
|
3,359
|
108
|
C
|
Unknown
|
| 316
|
Viktor Abakumov
|
3,354
|
108
|
C
|
Unknown
|
| 317
|
Forward Operating Base Chapman
|
3,351
|
108
|
C
|
Unknown
|
| 318
|
Richard Welch
|
3,336
|
107
|
Start
|
Unknown
|
| 319
|
Curveball (informant)
|
3,317
|
107
|
B
|
Unknown
|
| 320
|
Geospatial intelligence
|
3,316
|
106
|
C
|
Unknown
|
| 321
|
Burn notice
|
3,292
|
106
|
Start
|
Unknown
|
| 322
|
Cold War espionage
|
3,222
|
103
|
C
|
Unknown
|
| 323
|
Gloria Guinness
|
3,218
|
103
|
C
|
Unknown
|
| 324
|
Special Collection Service
|
3,200
|
103
|
C
|
Unknown
|
| 325
|
Margaret Kemble Gage
|
3,195
|
103
|
C
|
Unknown
|
| 326
|
Robert Ames (CIA official)
|
3,192
|
102
|
Start
|
Unknown
|
| 327
|
Operation Jedburgh
|
3,180
|
102
|
C
|
Unknown
|
| 328
|
CIA influence on public opinion
|
3,176
|
102
|
Start
|
Unknown
|
| 329
|
Northrop F-15 Reporter
|
3,127
|
100
|
B
|
Unknown
|
| 330
|
Intelligence analysis
|
3,109
|
100
|
Start
|
Unknown
|
| 331
|
Jindalee Operational Radar Network
|
3,105
|
100
|
B
|
Unknown
|
| 332
|
Frumentarii
|
3,099
|
99
|
Start
|
Unknown
|
| 333
|
Type B Cipher Machine
|
3,090
|
99
|
C
|
Unknown
|
| 334
|
KH-9 Hexagon
|
3,083
|
99
|
C
|
Unknown
|
| 335
|
Political warfare
|
3,060
|
98
|
C
|
Unknown
|
| 336
|
National Intelligence University
|
3,023
|
97
|
Start
|
Unknown
|
| 337
|
Ryszard Kukliński
|
3,021
|
97
|
C
|
Unknown
|
| 338
|
Military Intelligence (Pakistan)
|
3,015
|
97
|
C
|
Unknown
|
| 339
|
Australian Signals Directorate
|
3,001
|
96
|
Start
|
Unknown
|
| 340
|
Romanian Intelligence Service
|
3,001
|
96
|
C
|
Unknown
|
| 341
|
List of United States Air Force reconnaissance aircraft
|
3,000
|
96
|
BL
|
Unknown
|
| 342
|
Stepan Petrichenko
|
2,996
|
96
|
Start
|
Unknown
|
| 343
|
History of espionage
|
2,994
|
96
|
C
|
Unknown
|
| 344
|
Agent 355
|
2,977
|
96
|
Start
|
Unknown
|
| 345
|
Rainbow Code
|
2,955
|
95
|
List
|
Unknown
|
| 346
|
Gary Schroen
|
2,948
|
95
|
Start
|
Unknown
|
| 347
|
Directorate of Military Intelligence (India)
|
2,924
|
94
|
Start
|
Unknown
|
| 348
|
Hut 8
|
2,922
|
94
|
Start
|
Unknown
|
| 349
|
Russian disinformation
|
2,908
|
93
|
B
|
Unknown
|
| 350
|
Crypto AG
|
2,903
|
93
|
C
|
Unknown
|
| 351
|
Counterintelligence Corps
|
2,899
|
93
|
Start
|
Unknown
|
| 352
|
CIA University
|
2,889
|
93
|
Start
|
Unknown
|
| 353
|
James Armistead Lafayette
|
2,887
|
93
|
C
|
Unknown
|
| 354
|
Hollow Nickel Case
|
2,887
|
93
|
Start
|
Unknown
|
| 355
|
Flame (malware)
|
2,884
|
93
|
Start
|
Unknown
|
| 356
|
Cairo Gang
|
2,877
|
92
|
Start
|
Unknown
|
| 357
|
Strategy and tactics of guerrilla warfare
|
2,858
|
92
|
B
|
Unknown
|
| 358
|
Directorate of Military Intelligence (Ireland)
|
2,840
|
91
|
C
|
Unknown
|
| 359
|
Morton Sobell
|
2,822
|
91
|
Start
|
Unknown
|
| 360
|
Richard Dearlove
|
2,818
|
90
|
Start
|
Unknown
|
| 361
|
Naval Intelligence Division (United Kingdom)
|
2,802
|
90
|
Start
|
Unknown
|
| 362
|
Federal Counterintelligence Service
|
2,795
|
90
|
Start
|
Unknown
|
| 363
|
Unconventional warfare (United States)
|
2,794
|
90
|
C
|
Unknown
|
| 364
|
Elizebeth Smith Friedman
|
2,791
|
90
|
C
|
Unknown
|
| 365
|
Sixteenth Air Force
|
2,782
|
89
|
Start
|
Unknown
|
| 366
|
Amy Elizabeth Thorpe
|
2,754
|
88
|
Start
|
Unknown
|
| 367
|
Warrenton Training Center
|
2,718
|
87
|
B
|
Unknown
|
| 368
|
Manucher Ghorbanifar
|
2,705
|
87
|
Start
|
Unknown
|
| 369
|
Ali Mohamed (double agent)
|
2,705
|
87
|
Start
|
Unknown
|
| 370
|
Foreign internal defense
|
2,700
|
87
|
B
|
Unknown
|
| 371
|
Tropospheric scatter
|
2,652
|
85
|
Start
|
Unknown
|
| 372
|
NOBUS
|
2,637
|
85
|
Start
|
Unknown
|
| 373
|
Clandestine HUMINT operational techniques
|
2,622
|
84
|
Start
|
Unknown
|
| 374
|
Cutout (espionage)
|
2,614
|
84
|
Stub
|
Unknown
|
| 375
|
Cybersecurity Maturity Model Certification
|
2,613
|
84
|
C
|
Unknown
|
| 376
|
Imagery intelligence
|
2,590
|
83
|
Start
|
Unknown
|
| 377
|
Safari Club
|
2,561
|
82
|
C
|
Unknown
|
| 378
|
Mildred Harnack
|
2,558
|
82
|
C
|
Unknown
|
| 379
|
Freya Stark
|
2,536
|
81
|
C
|
Unknown
|
| 380
|
The Life That I Have
|
2,503
|
80
|
Start
|
Unknown
|
| 381
|
Mabahith
|
2,487
|
80
|
Start
|
Unknown
|
| 382
|
Agenzia Informazioni e Sicurezza Esterna
|
2,476
|
79
|
Start
|
Unknown
|
| 383
|
MI4
|
2,474
|
79
|
Start
|
Unknown
|
| 384
|
Roscoe H. Hillenkoetter
|
2,452
|
79
|
C
|
Unknown
|
| 385
|
Internal security
|
2,445
|
78
|
Start
|
Unknown
|
| 386
|
Zvi Zamir
|
2,429
|
78
|
Start
|
Unknown
|
| 387
|
SCL Group
|
2,402
|
77
|
C
|
Unknown
|
| 388
|
Room 40
|
2,400
|
77
|
Start
|
Unknown
|
| 389
|
National Air and Space Intelligence Center
|
2,380
|
76
|
Start
|
Unknown
|
| 390
|
Kosmos 954
|
2,377
|
76
|
Start
|
Unknown
|
| 391
|
Caesar's Messiah
|
2,354
|
75
|
Start
|
Unknown
|
| 392
|
SISMI
|
2,322
|
74
|
Start
|
Unknown
|
| 393
|
Dirección de Inteligencia
|
2,286
|
73
|
Start
|
Unknown
|
| 394
|
Ministry of Public Security (Poland)
|
2,279
|
73
|
C
|
Unknown
|
| 395
|
Iraq War documents leak
|
2,274
|
73
|
Start
|
Unknown
|
| 396
|
Zaheer-ul-Islam
|
2,255
|
72
|
Start
|
Unknown
|
| 397
|
List of spies in World War II
|
2,255
|
72
|
List
|
Unknown
|
| 398
|
Targeted killing by Israel
|
2,249
|
72
|
B
|
Unknown
|
| 399
|
Security and Intelligence Division
|
2,232
|
72
|
Start
|
Unknown
|
| 400
|
United States Army Security Agency
|
2,203
|
71
|
C
|
Unknown
|
| 401
|
Sergei B. Korolev
|
2,202
|
71
|
C
|
Unknown
|
| 402
|
T-Force
|
2,187
|
70
|
Start
|
Unknown
|
| 403
|
Elyesa Bazna
|
2,173
|
70
|
GA
|
Unknown
|
| 404
|
Ronald Pelton
|
2,164
|
69
|
Start
|
Unknown
|
| 405
|
Russian ship Liman
|
2,154
|
69
|
C
|
Unknown
|
| 406
|
Mechelen incident
|
2,127
|
68
|
Start
|
Unknown
|
| 407
|
Able Danger
|
2,126
|
68
|
B
|
Unknown
|
| 408
|
Allied submarines in the Pacific War
|
2,101
|
67
|
C
|
Unknown
|
| 409
|
Pakistani Intelligence community
|
2,094
|
67
|
CL
|
Unknown
|
| 410
|
Cobra Dane
|
2,080
|
67
|
Start
|
Unknown
|
| 411
|
MOD Chicksands
|
2,066
|
66
|
Start
|
Unknown
|
| 412
|
William Evanina
|
2,061
|
66
|
B
|
Unknown
|
| 413
|
Blowback (intelligence)
|
2,052
|
66
|
Start
|
Unknown
|
| 414
|
Speculatores
|
2,046
|
66
|
Start
|
Unknown
|
| 415
|
F. F. E. Yeo-Thomas
|
2,038
|
65
|
Start
|
Unknown
|
| 416
|
Niedermayer–Hentig Expedition
|
2,034
|
65
|
GA
|
Unknown
|
| 417
|
Sarah Aaronsohn
|
2,030
|
65
|
C
|
Unknown
|
| 418
|
Michael S. Rogers
|
2,030
|
65
|
C
|
Unknown
|
| 419
|
Coastwatchers
|
2,008
|
64
|
C
|
Unknown
|
| 420
|
List of KGB defectors
|
2,002
|
64
|
BL
|
Unknown
|
| 421
|
First wave of European colonization
|
1,991
|
64
|
C
|
Unknown
|
| 422
|
Operation Creek
|
1,987
|
64
|
C
|
Unknown
|
| 423
|
High Frequency Global Communications System
|
1,982
|
63
|
C
|
Unknown
|
| 424
|
United States documents leak of the War in Afghanistan
|
1,966
|
63
|
Start
|
Unknown
|
| 425
|
Alfred Redl
|
1,962
|
63
|
C
|
Unknown
|
| 426
|
G-2 (intelligence)
|
1,959
|
63
|
C
|
Unknown
|
| 427
|
Akhtar Abdur Rahman
|
1,943
|
62
|
C
|
Unknown
|
| 428
|
List of counter-terrorism agencies
|
1,930
|
62
|
List
|
Unknown
|
| 429
|
Cyber threat intelligence
|
1,918
|
61
|
Start
|
Unknown
|
| 430
|
William F. Friedman
|
1,910
|
61
|
C
|
Unknown
|
| 431
|
Iosif Grigulevich
|
1,902
|
61
|
C
|
Unknown
|
| 432
|
Sugar Grove Station
|
1,900
|
61
|
Start
|
Unknown
|
| 433
|
Orion (satellite)
|
1,882
|
60
|
Start
|
Unknown
|
| 434
|
Vishnya-class intelligence ship
|
1,879
|
60
|
Start
|
Unknown
|
| 435
|
Sidney Souers
|
1,876
|
60
|
Start
|
Unknown
|
| 436
|
Military psychology
|
1,869
|
60
|
Start
|
Unknown
|
| 437
|
Medvedev Forest massacre
|
1,869
|
60
|
Start
|
Unknown
|
| 438
|
Fort Ritchie
|
1,858
|
59
|
Start
|
Unknown
|
| 439
|
German Corpse Factory
|
1,846
|
59
|
C
|
Unknown
|
| 440
|
Nili
|
1,843
|
59
|
Start
|
Unknown
|
| 441
|
Propaganda during the Yugoslav Wars
|
1,842
|
59
|
C
|
Unknown
|
| 442
|
Total Information Awareness
|
1,834
|
59
|
B
|
Unknown
|
| 443
|
Ukraine Security Assistance Initiative
|
1,834
|
59
|
B
|
Unknown
|
| 444
|
Werner Teske
|
1,829
|
59
|
GA
|
Unknown
|
| 445
|
Fake news websites in the United States
|
1,826
|
58
|
Start
|
Unknown
|
| 446
|
Combat Intelligence Collection Corps (Israel)
|
1,814
|
58
|
Start
|
Unknown
|
| 447
|
Peter Churchill
|
1,807
|
58
|
Start
|
Unknown
|
| 448
|
George Koval
|
1,794
|
57
|
FA
|
Unknown
|
| 449
|
Confederate Secret Service
|
1,788
|
57
|
Start
|
Unknown
|
| 450
|
Cyber and Information Domain Service
|
1,784
|
57
|
B
|
Unknown
|
| 451
|
Walter Krivitsky
|
1,782
|
57
|
C
|
Unknown
|
| 452
|
Main Directorate for Reconnaissance
|
1,773
|
57
|
Start
|
Unknown
|
| 453
|
Victor Ostrovsky
|
1,769
|
57
|
Start
|
Unknown
|
| 454
|
USA-247
|
1,764
|
56
|
Start
|
Unknown
|
| 455
|
Morris Cohen (spy)
|
1,763
|
56
|
C
|
Unknown
|
| 456
|
Portland spy ring
|
1,759
|
56
|
FA
|
Unknown
|
| 457
|
R. H. Bruce Lockhart
|
1,748
|
56
|
Start
|
Unknown
|
| 458
|
United Kingdom Space Command
|
1,736
|
56
|
Start
|
Unknown
|
| 459
|
Aaron Cohen (actor)
|
1,734
|
55
|
Start
|
Unknown
|
| 460
|
Vasili Oshchepkov
|
1,729
|
55
|
Start
|
Unknown
|
| 461
|
Oniwaban
|
1,721
|
55
|
Start
|
Unknown
|
| 462
|
Traffic analysis
|
1,716
|
55
|
Start
|
Unknown
|
| 463
|
Operation Epsilon
|
1,708
|
55
|
Start
|
Unknown
|
| 464
|
AN/ALQ-218
|
1,699
|
54
|
C
|
Unknown
|
| 465
|
Listening station
|
1,698
|
54
|
C
|
Unknown
|
| 466
|
Sentient (intelligence analysis system)
|
1,698
|
54
|
B
|
Unknown
|
| 467
|
Cryptanalysis of the Lorenz cipher
|
1,691
|
54
|
C
|
Unknown
|
| 468
|
Hawaii Cryptologic Center
|
1,684
|
54
|
Stub
|
Unknown
|
| 469
|
Agent of influence
|
1,681
|
54
|
Start
|
Unknown
|
| 470
|
Anthony Shaffer (intelligence officer)
|
1,679
|
54
|
Start
|
Unknown
|
| 471
|
State Security Investigations Service
|
1,676
|
54
|
Start
|
Unknown
|
| 472
|
Le petit soldat
|
1,664
|
53
|
Start
|
Unknown
|
| 473
|
First Aid Nursing Yeomanry
|
1,660
|
53
|
C
|
Unknown
|
| 474
|
Leo Marks
|
1,655
|
53
|
C
|
Unknown
|
| 475
|
Denis Sergeev (GRU officer)
|
1,655
|
53
|
Start
|
Unknown
|
| 476
|
Arnold Deutsch
|
1,639
|
52
|
Start
|
Unknown
|
| 477
|
Formoza Military Unit
|
1,636
|
52
|
Start
|
Unknown
|
| 478
|
White propaganda
|
1,617
|
52
|
Stub
|
Unknown
|
| 479
|
Duress code
|
1,613
|
52
|
Start
|
Unknown
|
| 480
|
National Cryptologic Museum
|
1,611
|
51
|
C
|
Unknown
|
| 481
|
Revolution in military affairs
|
1,606
|
51
|
Start
|
Unknown
|
| 482
|
Bureau 121
|
1,605
|
51
|
Start
|
Unknown
|
| 483
|
P. O. Box 1142
|
1,597
|
51
|
Start
|
Unknown
|
| 484
|
Intelligence cycle
|
1,596
|
51
|
C
|
Unknown
|
| 485
|
Victor Cherkashin
|
1,585
|
51
|
Start
|
Unknown
|
| 486
|
National Intelligence and Security Agency
|
1,583
|
51
|
Start
|
Unknown
|
| 487
|
Counterproliferation
|
1,577
|
50
|
Start
|
Unknown
|
| 488
|
Sir George Downing, 1st Baronet
|
1,577
|
50
|
C
|
Unknown
|
| 489
|
645th Aeronautical Systems Group
|
1,572
|
50
|
Start
|
Unknown
|
| 490
|
National Intelligence Service (Greece)
|
1,563
|
50
|
Start
|
Unknown
|
| 491
|
German Ugryumov
|
1,549
|
49
|
Start
|
Unknown
|
| 492
|
Joint Support Group
|
1,540
|
49
|
Start
|
Unknown
|
| 493
|
United States intelligence budget
|
1,531
|
49
|
B
|
Unknown
|
| 494
|
Samuel Goudsmit
|
1,520
|
49
|
Start
|
Unknown
|
| 495
|
Lona Cohen
|
1,513
|
48
|
C
|
Unknown
|
| 496
|
Gennady Varenik
|
1,511
|
48
|
Stub
|
Unknown
|
| 497
|
Multi-spectral camouflage
|
1,503
|
48
|
C
|
Unknown
|
| 498
|
United States person
|
1,502
|
48
|
Start
|
Unknown
|
| 499
|
Walter Cawthorn
|
1,488
|
48
|
B
|
Unknown
|
| 500
|
Michael Bettaney
|
1,481
|
47
|
Start
|
Unknown
|
