| Rank
|
Page title
|
Views
|
Daily average
|
Assessment
|
Importance
|
| 1
|
September 11 attacks
|
634,903
|
20,480
|
GA
|
Unknown
|
| 2
|
J. Robert Oppenheimer
|
615,406
|
19,851
|
FA
|
Unknown
|
| 3
|
Michael Cohen (lawyer)
|
414,889
|
13,383
|
C
|
Unknown
|
| 4
|
Osama bin Laden
|
355,392
|
11,464
|
B
|
Unknown
|
| 5
|
Dwight D. Eisenhower
|
264,917
|
8,545
|
B
|
Unknown
|
| 6
|
MKUltra
|
224,999
|
7,258
|
C
|
Unknown
|
| 7
|
Mossad
|
169,084
|
5,454
|
C
|
Unknown
|
| 8
|
Coco Chanel
|
157,402
|
5,077
|
B
|
Unknown
|
| 9
|
Oskar Schindler
|
154,680
|
4,989
|
GA
|
Unknown
|
| 10
|
Central Intelligence Agency
|
146,856
|
4,737
|
B
|
Unknown
|
| 11
|
The Imitation Game
|
142,962
|
4,611
|
C
|
Unknown
|
| 12
|
Killing of Osama bin Laden
|
133,474
|
4,305
|
GA
|
Unknown
|
| 13
|
USS Liberty incident
|
130,880
|
4,221
|
C
|
Unknown
|
| 14
|
Hiroo Onoda
|
104,184
|
3,360
|
C
|
Unknown
|
| 15
|
Enigma machine
|
96,787
|
3,122
|
C
|
Unknown
|
| 16
|
2024 pro-Palestinian protests on university campuses
|
94,021
|
3,032
|
C
|
Unknown
|
| 17
|
Operation Mincemeat
|
90,764
|
2,927
|
FA
|
Unknown
|
| 18
|
Lockheed Martin SR-72
|
82,234
|
2,652
|
B
|
Unknown
|
| 19
|
Five Eyes
|
79,713
|
2,571
|
C
|
Unknown
|
| 20
|
Lockheed U-2
|
73,853
|
2,382
|
B
|
Unknown
|
| 21
|
KGB
|
73,164
|
2,360
|
C
|
Unknown
|
| 22
|
Joan Clarke
|
64,650
|
2,085
|
C
|
Unknown
|
| 23
|
Mata Hari
|
62,856
|
2,027
|
B
|
Unknown
|
| 24
|
Aldrich Ames
|
62,322
|
2,010
|
C
|
Unknown
|
| 25
|
Shin Bet
|
61,598
|
1,987
|
Start
|
Unknown
|
| 26
|
Research and Analysis Wing
|
60,522
|
1,952
|
C
|
Unknown
|
| 27
|
Robert Maxwell
|
54,511
|
1,758
|
C
|
Unknown
|
| 28
|
Dreyfus affair
|
54,416
|
1,755
|
B
|
Unknown
|
| 29
|
1953 Iran coup
|
51,607
|
1,664
|
B
|
Unknown
|
| 30
|
MI5
|
49,481
|
1,596
|
B
|
Unknown
|
| 31
|
NKVD
|
48,808
|
1,574
|
Start
|
Unknown
|
| 32
|
United States Department of Homeland Security
|
48,665
|
1,569
|
C
|
Unknown
|
| 33
|
Special Operations Executive
|
46,524
|
1,500
|
C
|
Unknown
|
| 34
|
Reality Winner
|
46,396
|
1,496
|
B
|
Unknown
|
| 35
|
Klaus Fuchs
|
45,170
|
1,457
|
GA
|
Unknown
|
| 36
|
Kim Philby
|
43,999
|
1,419
|
C
|
Unknown
|
| 37
|
Sleeper agent
|
43,681
|
1,409
|
Start
|
Unknown
|
| 38
|
Oppenheimer security clearance hearing
|
43,615
|
1,406
|
FA
|
Unknown
|
| 39
|
Oleg Gordievsky
|
42,469
|
1,369
|
C
|
Unknown
|
| 40
|
Paul Whelan (security director)
|
41,660
|
1,343
|
C
|
Unknown
|
| 41
|
Lockheed A-12
|
41,638
|
1,343
|
B
|
Unknown
|
| 42
|
Enoch Powell
|
41,014
|
1,323
|
B
|
Unknown
|
| 43
|
Defense Intelligence Agency
|
38,387
|
1,238
|
B
|
Unknown
|
| 44
|
Espionage
|
38,271
|
1,234
|
C
|
Unknown
|
| 45
|
Saif al-Adel
|
36,835
|
1,188
|
B
|
Unknown
|
| 46
|
Catherine Dior
|
36,663
|
1,182
|
B
|
Unknown
|
| 47
|
Propaganda
|
36,254
|
1,169
|
C
|
Unknown
|
| 48
|
Waterboarding
|
35,466
|
1,144
|
B
|
Unknown
|
| 49
|
Franz von Papen
|
35,279
|
1,138
|
B
|
Unknown
|
| 50
|
Cambridge Five
|
34,951
|
1,127
|
Start
|
Unknown
|
| 51
|
DeepStateMap.Live
|
34,902
|
1,125
|
GA
|
Unknown
|
| 52
|
UVB-76
|
34,607
|
1,116
|
C
|
Unknown
|
| 53
|
W. Somerset Maugham
|
33,799
|
1,090
|
FA
|
Unknown
|
| 54
|
Francis Gary Powers
|
33,240
|
1,072
|
C
|
Unknown
|
| 55
|
Stargate Project
|
33,182
|
1,070
|
C
|
Unknown
|
| 56
|
Inter-Services Intelligence
|
32,955
|
1,063
|
C
|
Unknown
|
| 57
|
Office of Strategic Services
|
32,051
|
1,033
|
Start
|
Unknown
|
| 58
|
Pine Gap
|
31,673
|
1,021
|
Start
|
Unknown
|
| 59
|
Bletchley Park
|
31,650
|
1,020
|
B
|
Unknown
|
| 60
|
Zimmermann Telegram
|
30,796
|
993
|
B
|
Unknown
|
| 61
|
Intelligence Support Activity
|
30,180
|
973
|
Start
|
Unknown
|
| 62
|
United States involvement in regime change
|
29,701
|
958
|
C
|
Unknown
|
| 63
|
Russian interference in the 2016 United States elections
|
28,645
|
924
|
C
|
Unknown
|
| 64
|
GRU (Russian Federation)
|
28,054
|
904
|
C
|
Unknown
|
| 65
|
Open-source intelligence
|
27,652
|
892
|
Start
|
Unknown
|
| 66
|
Boeing X-37
|
27,594
|
890
|
B
|
Unknown
|
| 67
|
Ana Montes
|
27,328
|
881
|
Start
|
Unknown
|
| 68
|
Jack Ryan (character)
|
26,953
|
869
|
C
|
Unknown
|
| 69
|
Signals intelligence
|
26,926
|
868
|
Start
|
Unknown
|
| 70
|
Duga radar
|
26,762
|
863
|
C
|
Unknown
|
| 71
|
Nikolai Yezhov
|
25,981
|
838
|
C
|
Unknown
|
| 72
|
GCHQ
|
25,362
|
818
|
B
|
Unknown
|
| 73
|
Double-Cross System
|
25,298
|
816
|
Start
|
Unknown
|
| 74
|
United States Intelligence Community
|
25,216
|
813
|
C
|
Unknown
|
| 75
|
Sicherheitsdienst
|
24,353
|
785
|
B
|
Unknown
|
| 76
|
1960 U-2 incident
|
23,936
|
772
|
B
|
Unknown
|
| 77
|
Michael Bettaney
|
23,748
|
766
|
Start
|
Unknown
|
| 78
|
Rudolf Abel
|
23,517
|
758
|
A
|
Unknown
|
| 79
|
List of pro-Palestinian protests on university campuses in 2024
|
23,354
|
753
|
C
|
Unknown
|
| 80
|
Big lie
|
23,181
|
747
|
C
|
Unknown
|
| 81
|
Classified information
|
23,082
|
744
|
C
|
Unknown
|
| 82
|
Cambridge Analytica
|
22,231
|
717
|
C
|
Unknown
|
| 83
|
Lockheed Martin RQ-170 Sentinel
|
21,979
|
709
|
GA
|
Unknown
|
| 84
|
Foreign Intelligence Service (Russia)
|
21,609
|
697
|
B
|
Unknown
|
| 85
|
Propaganda in Nazi Germany
|
21,582
|
696
|
C
|
Unknown
|
| 86
|
Enhanced interrogation techniques
|
21,482
|
692
|
B
|
Unknown
|
| 87
|
Numbers station
|
21,455
|
692
|
C
|
Unknown
|
| 88
|
List of private military contractors
|
21,298
|
687
|
List
|
Unknown
|
| 89
|
Phoenix Program
|
21,000
|
677
|
Start
|
Unknown
|
| 90
|
Black operation
|
20,610
|
664
|
Start
|
Unknown
|
| 91
|
John Cairncross
|
20,256
|
653
|
Start
|
Unknown
|
| 92
|
Bombe
|
20,222
|
652
|
C
|
Unknown
|
| 93
|
National Investigation Agency
|
19,949
|
643
|
Start
|
Unknown
|
| 94
|
Sinking of the Rainbow Warrior
|
19,739
|
636
|
C
|
Unknown
|
| 95
|
Yoshiko Kawashima
|
19,022
|
613
|
B
|
Unknown
|
| 96
|
Marburg Files
|
18,909
|
609
|
Start
|
Unknown
|
| 97
|
Q clearance
|
18,673
|
602
|
Start
|
Unknown
|
| 98
|
Disinformation in the Russian invasion of Ukraine
|
18,259
|
589
|
C
|
Unknown
|
| 99
|
Abwehr
|
17,982
|
580
|
C
|
Unknown
|
| 100
|
Richard Francis Burton
|
17,970
|
579
|
B
|
Unknown
|
| 101
|
Ion Mihai Pacepa
|
17,768
|
573
|
C
|
Unknown
|
| 102
|
Spetsnaz GRU
|
17,137
|
552
|
Start
|
Unknown
|
| 103
|
Covert operation
|
17,103
|
551
|
Start
|
Unknown
|
| 104
|
Ramstein Air Base
|
16,966
|
547
|
C
|
Unknown
|
| 105
|
Director of Central Intelligence
|
16,718
|
539
|
C
|
Unknown
|
| 106
|
Boris Pash
|
16,507
|
532
|
C
|
Unknown
|
| 107
|
ECHELON
|
16,426
|
529
|
B
|
Unknown
|
| 108
|
Northrop Grumman RQ-180
|
15,861
|
511
|
Start
|
Unknown
|
| 109
|
Counterterrorism
|
15,834
|
510
|
Start
|
Unknown
|
| 110
|
2014 Sony Pictures hack
|
15,768
|
508
|
C
|
Unknown
|
| 111
|
Ultra (cryptography)
|
15,593
|
503
|
C
|
Unknown
|
| 112
|
List of CIA controversies
|
15,432
|
497
|
CL
|
Unknown
|
| 113
|
National Reconnaissance Office
|
15,080
|
486
|
C
|
Unknown
|
| 114
|
Virginia Hall
|
14,952
|
482
|
B
|
Unknown
|
| 115
|
2023 Chinese balloon incident
|
14,816
|
477
|
B
|
Unknown
|
| 116
|
Oleg Penkovsky
|
14,801
|
477
|
Start
|
Unknown
|
| 117
|
William J. Donovan
|
14,337
|
462
|
B
|
Unknown
|
| 118
|
The Thing (listening device)
|
14,244
|
459
|
Start
|
Unknown
|
| 119
|
Black legend
|
14,165
|
456
|
C
|
Unknown
|
| 120
|
Francis Walsingham
|
14,148
|
456
|
FA
|
Unknown
|
| 121
|
Juan Pujol García
|
13,968
|
450
|
C
|
Unknown
|
| 122
|
James Jesus Angleton
|
13,968
|
450
|
C
|
Unknown
|
| 123
|
Classified information in the United States
|
13,859
|
447
|
C
|
Unknown
|
| 124
|
Counterintelligence
|
13,750
|
443
|
C
|
Unknown
|
| 125
|
Disinformation
|
13,560
|
437
|
Start
|
Unknown
|
| 126
|
Gertrude Bell
|
13,344
|
430
|
B
|
Unknown
|
| 127
|
Counterinsurgency
|
13,193
|
425
|
Start
|
Unknown
|
| 128
|
Intelligence, surveillance, target acquisition, and reconnaissance
|
12,988
|
418
|
Start
|
Unknown
|
| 129
|
Operation Neptune Spear
|
12,603
|
406
|
Redirect
|
Unknown
|
| 130
|
Cyberwarfare
|
12,597
|
406
|
C
|
Unknown
|
| 131
|
United States involvement in regime change in Latin America
|
12,492
|
402
|
Start
|
Unknown
|
| 132
|
Directorate of Military Intelligence (United Kingdom)
|
12,427
|
400
|
C
|
Unknown
|
| 133
|
Lubyanka Building
|
12,142
|
391
|
Start
|
Unknown
|
| 134
|
KH-11 KENNEN
|
12,109
|
390
|
C
|
Unknown
|
| 135
|
Lockheed D-21
|
12,094
|
390
|
A
|
Unknown
|
| 136
|
British intelligence agencies
|
12,000
|
387
|
C
|
Unknown
|
| 137
|
Kulbhushan Jadhav
|
11,993
|
386
|
B
|
Unknown
|
| 138
|
Espionage Act of 1917
|
11,968
|
386
|
Start
|
Unknown
|
| 139
|
Douglas Kelley
|
11,824
|
381
|
Start
|
Unknown
|
| 140
|
Sidney Reilly
|
11,801
|
380
|
B
|
Unknown
|
| 141
|
James B. Donovan
|
11,705
|
377
|
C
|
Unknown
|
| 142
|
Double agent
|
11,650
|
375
|
Start
|
Unknown
|
| 143
|
Venona project
|
11,596
|
374
|
B
|
Unknown
|
| 144
|
Military intelligence
|
11,484
|
370
|
Start
|
Unknown
|
| 145
|
Operation Goldeneye
|
11,467
|
369
|
B
|
Unknown
|
| 146
|
Dmitri Polyakov
|
11,443
|
369
|
Start
|
Unknown
|
| 147
|
Richard Sorge
|
11,351
|
366
|
B
|
Unknown
|
| 148
|
Donald Maclean (spy)
|
11,348
|
366
|
C
|
Unknown
|
| 149
|
Frank Olson
|
11,336
|
365
|
C
|
Unknown
|
| 150
|
Culper Ring
|
11,123
|
358
|
B
|
Unknown
|
| 151
|
Main Directorate of Intelligence (Ukraine)
|
11,113
|
358
|
Start
|
Unknown
|
| 152
|
1st Reconnaissance Battalion
|
10,930
|
352
|
C
|
Unknown
|
| 153
|
Military Intelligence Directorate (Israel)
|
10,889
|
351
|
Start
|
Unknown
|
| 154
|
Nancy Wake
|
10,734
|
346
|
C
|
Unknown
|
| 155
|
GRU (Soviet Union)
|
10,534
|
339
|
C
|
Unknown
|
| 156
|
List of military tactics
|
10,465
|
337
|
CL
|
Unknown
|
| 157
|
Enigma (2001 film)
|
10,418
|
336
|
C
|
Unknown
|
| 158
|
Atomic spies
|
10,407
|
335
|
Start
|
Unknown
|
| 159
|
Krystyna Skarbek
|
10,318
|
332
|
B
|
Unknown
|
| 160
|
Project Azorian
|
10,296
|
332
|
C
|
Unknown
|
| 161
|
Clandestine operation
|
10,259
|
330
|
Start
|
Unknown
|
| 162
|
George Tenet
|
10,150
|
327
|
Start
|
Unknown
|
| 163
|
Operation Fortitude
|
10,090
|
325
|
C
|
Unknown
|
| 164
|
Allegations of CIA assistance to Osama bin Laden
|
10,023
|
323
|
Start
|
Unknown
|
| 165
|
Human intelligence (intelligence gathering)
|
9,906
|
319
|
Start
|
Unknown
|
| 166
|
Viktor Belenko
|
9,655
|
311
|
Start
|
Unknown
|
| 167
|
National Intelligence Service (South Korea)
|
9,610
|
310
|
Start
|
Unknown
|
| 168
|
Stewart Menzies
|
9,483
|
305
|
C
|
Unknown
|
| 169
|
Lorenz cipher
|
9,247
|
298
|
C
|
Unknown
|
| 170
|
Black propaganda
|
9,057
|
292
|
C
|
Unknown
|
| 171
|
Special reconnaissance
|
8,802
|
283
|
C
|
Unknown
|
| 172
|
Information warfare
|
8,801
|
283
|
C
|
Unknown
|
| 173
|
Military Intelligence Corps (United States Army)
|
8,480
|
273
|
C
|
Unknown
|
| 174
|
UKUSA Agreement
|
8,413
|
271
|
Start
|
Unknown
|
| 175
|
William Francis Buckley
|
8,404
|
271
|
Start
|
Unknown
|
| 176
|
Walter Bedell Smith
|
8,327
|
268
|
A
|
Unknown
|
| 177
|
Fritz Duquesne
|
8,309
|
268
|
C
|
Unknown
|
| 178
|
Glomar Explorer
|
8,266
|
266
|
Start
|
Unknown
|
| 179
|
Clandestine cell system
|
8,264
|
266
|
B
|
Unknown
|
| 180
|
Equation Group
|
8,224
|
265
|
Start
|
Unknown
|
| 181
|
Leon Theremin
|
8,201
|
264
|
Start
|
Unknown
|
| 182
|
CORONA (satellite)
|
8,130
|
262
|
C
|
Unknown
|
| 183
|
Access control
|
8,060
|
260
|
Start
|
Unknown
|
| 184
|
Operation Bodyguard
|
8,044
|
259
|
Start
|
Unknown
|
| 185
|
Reinhard Gehlen
|
8,019
|
258
|
C
|
Unknown
|
| 186
|
The Shadow Brokers
|
7,880
|
254
|
Start
|
Unknown
|
| 187
|
Ministry of Intelligence (Iran)
|
7,726
|
249
|
C
|
Unknown
|
| 188
|
George Blake
|
7,687
|
247
|
Start
|
Unknown
|
| 189
|
Spy film
|
7,664
|
247
|
Start
|
Unknown
|
| 190
|
Chuck Robb
|
7,654
|
246
|
C
|
Unknown
|
| 191
|
Barzan Ibrahim al-Tikriti
|
7,649
|
246
|
C
|
Unknown
|
| 192
|
National Bureau of Investigation (Philippines)
|
7,563
|
243
|
Start
|
Unknown
|
| 193
|
Operations security
|
7,494
|
241
|
Start
|
Unknown
|
| 194
|
David Greenglass
|
7,296
|
235
|
GA
|
Unknown
|
| 195
|
Violette Szabo
|
7,169
|
231
|
C
|
Unknown
|
| 196
|
Hybrid warfare
|
7,162
|
231
|
Start
|
Unknown
|
| 197
|
Reconnaissance satellite
|
7,145
|
230
|
Start
|
Unknown
|
| 198
|
German submarine U-110 (1940)
|
7,049
|
227
|
Start
|
Unknown
|
| 199
|
Organizational structure of the Central Intelligence Agency
|
6,905
|
222
|
Stub
|
Unknown
|
| 200
|
Cozy Bear
|
6,899
|
222
|
B
|
Unknown
|
| 201
|
Joint Special Operations Command Task Force in the Iraq War
|
6,819
|
219
|
C
|
Unknown
|
| 202
|
Salt Pit
|
6,633
|
213
|
Start
|
Unknown
|
| 203
|
Utah Data Center
|
6,534
|
210
|
C
|
Unknown
|
| 204
|
Alsos Mission
|
6,506
|
209
|
FA
|
Unknown
|
| 205
|
John Ratcliffe (American politician)
|
6,481
|
209
|
C
|
Unknown
|
| 206
|
Targeted killing
|
6,469
|
208
|
C
|
Unknown
|
| 207
|
Gloria Guinness
|
6,467
|
208
|
C
|
Unknown
|
| 208
|
Office of Naval Intelligence
|
6,466
|
208
|
Start
|
Unknown
|
| 209
|
Black Dragon Society
|
6,459
|
208
|
Start
|
Unknown
|
| 210
|
Michael Hayden (general)
|
6,357
|
205
|
C
|
Unknown
|
| 211
|
History of the Central Intelligence Agency
|
6,353
|
204
|
B
|
Unknown
|
| 212
|
German tank problem
|
6,320
|
203
|
C
|
Unknown
|
| 213
|
Interrogation
|
6,301
|
203
|
Start
|
Unknown
|
| 214
|
Director-General of Inter-Services Intelligence
|
6,178
|
199
|
CL
|
Unknown
|
| 215
|
Chinese intelligence activity abroad
|
6,159
|
198
|
Start
|
Unknown
|
| 216
|
James Clapper
|
6,061
|
195
|
Start
|
Unknown
|
| 217
|
Ivan Serov
|
6,059
|
195
|
C
|
Unknown
|
| 218
|
Defence Intelligence
|
6,051
|
195
|
Start
|
Unknown
|
| 219
|
National Intelligence Organization
|
6,043
|
194
|
Start
|
Unknown
|
| 220
|
Israeli Intelligence Community
|
6,011
|
193
|
Start
|
Unknown
|
| 221
|
Cold War espionage
|
6,004
|
193
|
C
|
Unknown
|
| 222
|
Mole (espionage)
|
5,986
|
193
|
Start
|
Unknown
|
| 223
|
Amrullah Saleh
|
5,952
|
192
|
GA
|
Unknown
|
| 224
|
Eliza Manningham-Buller
|
5,924
|
191
|
C
|
Unknown
|
| 225
|
Harold James Nicholson
|
5,902
|
190
|
Start
|
Unknown
|
| 226
|
Grey literature
|
5,799
|
187
|
Start
|
Unknown
|
| 227
|
Iran–U.S. RQ-170 incident
|
5,696
|
183
|
Start
|
Unknown
|
| 228
|
Joseph McMoneagle
|
5,617
|
181
|
Start
|
Unknown
|
| 229
|
Magic (cryptography)
|
5,554
|
179
|
Start
|
Unknown
|
| 230
|
Markus Wolf
|
5,509
|
177
|
C
|
Unknown
|
| 231
|
KH-9 Hexagon
|
5,479
|
176
|
C
|
Unknown
|
| 232
|
List of NRO launches
|
5,343
|
172
|
CL
|
Unknown
|
| 233
|
Burn notice (document)
|
5,341
|
172
|
Start
|
Unknown
|
| 234
|
L. Fletcher Prouty
|
5,327
|
171
|
Start
|
Unknown
|
| 235
|
Lionel Crabb
|
5,282
|
170
|
C
|
Unknown
|
| 236
|
Miles Copeland Jr.
|
5,257
|
169
|
Start
|
Unknown
|
| 237
|
Intelligence Corps (United Kingdom)
|
5,226
|
168
|
C
|
Unknown
|
| 238
|
Fake news website
|
5,217
|
168
|
C
|
Unknown
|
| 239
|
Ferdinand Walsin Esterhazy
|
5,208
|
168
|
C
|
Unknown
|
| 240
|
Surveillance aircraft
|
5,207
|
167
|
Start
|
Unknown
|
| 241
|
Edward Lee Howard
|
5,204
|
167
|
C
|
Unknown
|
| 242
|
Tradecraft
|
5,197
|
167
|
Start
|
Unknown
|
| 243
|
Clandestine human intelligence
|
5,188
|
167
|
Start
|
Unknown
|
| 244
|
Ashfaq Parvez Kayani
|
5,167
|
166
|
C
|
Unknown
|
| 245
|
St John Philby
|
5,118
|
165
|
C
|
Unknown
|
| 246
|
Kenneth Bainbridge
|
4,994
|
161
|
GA
|
Unknown
|
| 247
|
Intelligence agencies of Russia
|
4,902
|
158
|
Start
|
Unknown
|
| 248
|
Geospatial intelligence
|
4,901
|
158
|
C
|
Unknown
|
| 249
|
Dan Coats
|
4,892
|
157
|
C
|
Unknown
|
| 250
|
Allied submarines in the Pacific War
|
4,789
|
154
|
C
|
Unknown
|
| 251
|
Intelligence Bureau (Pakistan)
|
4,701
|
151
|
Start
|
Unknown
|
| 252
|
MI7
|
4,694
|
151
|
C
|
Unknown
|
| 253
|
United States Army Intelligence and Security Command
|
4,670
|
150
|
C
|
Unknown
|
| 254
|
Vera Atkins
|
4,667
|
150
|
Start
|
Unknown
|
| 255
|
Kim Hyon-hui
|
4,615
|
148
|
Start
|
Unknown
|
| 256
|
Mass surveillance in the United States
|
4,614
|
148
|
B
|
Unknown
|
| 257
|
Measurement and signature intelligence
|
4,546
|
146
|
C
|
Unknown
|
| 258
|
Camp X
|
4,545
|
146
|
C
|
Unknown
|
| 259
|
Chinese espionage in the United States
|
4,482
|
144
|
Start
|
Unknown
|
| 260
|
Frumentarii
|
4,478
|
144
|
Start
|
Unknown
|
| 261
|
James Tiptree Jr.
|
4,467
|
144
|
C
|
Unknown
|
| 262
|
Duquesne Spy Ring
|
4,407
|
142
|
B
|
Unknown
|
| 263
|
Edwin T. Layton
|
4,372
|
141
|
C
|
Unknown
|
| 264
|
Open secret
|
4,371
|
141
|
Start
|
Unknown
|
| 265
|
Recruitment of spies
|
4,342
|
140
|
Start
|
Unknown
|
| 266
|
Intelligence assessment
|
4,321
|
139
|
Start
|
Unknown
|
| 267
|
History of espionage
|
4,311
|
139
|
C
|
Unknown
|
| 268
|
Type B Cipher Machine
|
4,307
|
138
|
C
|
Unknown
|
| 269
|
Hut 8
|
4,302
|
138
|
Start
|
Unknown
|
| 270
|
Intelligence analysis
|
4,287
|
138
|
Start
|
Unknown
|
| 271
|
Strategy and tactics of guerrilla warfare
|
4,252
|
137
|
B
|
Unknown
|
| 272
|
Meir Dagan
|
4,230
|
136
|
C
|
Unknown
|
| 273
|
The Doughnut
|
4,181
|
134
|
GA
|
Unknown
|
| 274
|
Iraq War documents leak
|
4,097
|
132
|
Start
|
Unknown
|
| 275
|
Dudley Clarke
|
4,081
|
131
|
FA
|
Unknown
|
| 276
|
Juanita Castro
|
4,076
|
131
|
Start
|
Unknown
|
| 277
|
First Chief Directorate
|
4,031
|
130
|
B
|
Unknown
|
| 278
|
Gehlen Organization
|
4,028
|
129
|
Start
|
Unknown
|
| 279
|
Communications Security Establishment
|
4,024
|
129
|
C
|
Unknown
|
| 280
|
Mansfield Smith-Cumming
|
3,990
|
128
|
Start
|
Unknown
|
| 281
|
Special Collection Service
|
3,970
|
128
|
C
|
Unknown
|
| 282
|
USA-247
|
3,969
|
128
|
Start
|
Unknown
|
| 283
|
Hamid Gul
|
3,945
|
127
|
C
|
Unknown
|
| 284
|
Resident spy
|
3,913
|
126
|
Start
|
Unknown
|
| 285
|
History of propaganda
|
3,904
|
125
|
C
|
Unknown
|
| 286
|
Australian Signals Directorate
|
3,817
|
123
|
Start
|
Unknown
|
| 287
|
Sixteenth Air Force
|
3,791
|
122
|
Start
|
Unknown
|
| 288
|
Oster conspiracy
|
3,758
|
121
|
Start
|
Unknown
|
| 289
|
Viktor Abakumov
|
3,745
|
120
|
C
|
Unknown
|
| 290
|
Ursula Kuczynski
|
3,729
|
120
|
C
|
Unknown
|
| 291
|
The Life That I Have
|
3,728
|
120
|
Start
|
Unknown
|
| 292
|
Agent 355
|
3,715
|
119
|
Start
|
Unknown
|
| 293
|
Cabinet Office Briefing Rooms
|
3,675
|
118
|
Start
|
Unknown
|
| 294
|
List of spies in World War II
|
3,670
|
118
|
List
|
Unknown
|
| 295
|
List of American spies
|
3,665
|
118
|
List
|
Unknown
|
| 296
|
Kosmos 954
|
3,654
|
117
|
Start
|
Unknown
|
| 297
|
Political warfare
|
3,653
|
117
|
C
|
Unknown
|
| 298
|
Jindalee Operational Radar Network
|
3,640
|
117
|
B
|
Unknown
|
| 299
|
Stepan Petrichenko
|
3,616
|
116
|
Start
|
Unknown
|
| 300
|
Richard Tomlinson
|
3,572
|
115
|
GA
|
Unknown
|
| 301
|
Eye of the Needle (novel)
|
3,555
|
114
|
Start
|
Unknown
|
| 302
|
Operation Jedburgh
|
3,537
|
114
|
C
|
Unknown
|
| 303
|
Confederate Secret Service
|
3,520
|
113
|
Start
|
Unknown
|
| 304
|
Propaganda through media
|
3,516
|
113
|
C
|
Unknown
|
| 305
|
Defence Intelligence Agency (India)
|
3,515
|
113
|
Start
|
Unknown
|
| 306
|
Operation Epsilon
|
3,510
|
113
|
Start
|
Unknown
|
| 307
|
General Intelligence Presidency
|
3,481
|
112
|
Start
|
Unknown
|
| 308
|
Targeted killing by Israel
|
3,433
|
110
|
B
|
Unknown
|
| 309
|
Elizebeth Smith Friedman
|
3,431
|
110
|
C
|
Unknown
|
| 310
|
Pavel Sudoplatov
|
3,422
|
110
|
Start
|
Unknown
|
| 311
|
Northrop F-15 Reporter
|
3,406
|
109
|
B
|
Unknown
|
| 312
|
Military Intelligence (Pakistan)
|
3,343
|
107
|
C
|
Unknown
|
| 313
|
Zaheer-ul-Islam
|
3,328
|
107
|
Start
|
Unknown
|
| 314
|
List of United States Air Force reconnaissance aircraft
|
3,312
|
106
|
BL
|
Unknown
|
| 315
|
Chronology of Soviet secret police agencies
|
3,311
|
106
|
C
|
Unknown
|
| 316
|
United States Army Counterintelligence
|
3,311
|
106
|
C
|
Unknown
|
| 317
|
Morton Sobell
|
3,306
|
106
|
Start
|
Unknown
|
| 318
|
Alexander Parvus
|
3,297
|
106
|
C
|
Unknown
|
| 319
|
Flame (malware)
|
3,295
|
106
|
Start
|
Unknown
|
| 320
|
Counterintelligence Corps
|
3,277
|
105
|
Start
|
Unknown
|
| 321
|
Directorate of Military Intelligence (India)
|
3,269
|
105
|
Start
|
Unknown
|
| 322
|
Hollow Nickel Case
|
3,235
|
104
|
Start
|
Unknown
|
| 323
|
Disappearance of Robert Levinson
|
3,194
|
103
|
B
|
Unknown
|
| 324
|
Crypto AG
|
3,154
|
101
|
C
|
Unknown
|
| 325
|
CIA influence on public opinion
|
3,139
|
101
|
Start
|
Unknown
|
| 326
|
Vasili Mitrokhin
|
3,131
|
101
|
Start
|
Unknown
|
| 327
|
Vela (satellite)
|
3,123
|
100
|
Start
|
Unknown
|
| 328
|
James N. Rowe
|
3,121
|
100
|
C
|
Unknown
|
| 329
|
Curveball (informant)
|
3,081
|
99
|
B
|
Unknown
|
| 330
|
Coastwatchers
|
3,078
|
99
|
C
|
Unknown
|
| 331
|
Room 40
|
3,061
|
98
|
Start
|
Unknown
|
| 332
|
Bin Ladin Determined To Strike in US
|
3,054
|
98
|
C
|
Unknown
|
| 333
|
Mechelen incident
|
3,041
|
98
|
Start
|
Unknown
|
| 334
|
Resistance to interrogation
|
3,026
|
97
|
Stub
|
Unknown
|
| 335
|
Cybersecurity Maturity Model Certification
|
3,014
|
97
|
C
|
Unknown
|
| 336
|
Sergei B. Korolev
|
3,007
|
97
|
C
|
Unknown
|
| 337
|
Manucher Ghorbanifar
|
3,005
|
96
|
Start
|
Unknown
|
| 338
|
Freya Stark
|
2,952
|
95
|
C
|
Unknown
|
| 339
|
Iraqi Intelligence Service
|
2,943
|
94
|
Start
|
Unknown
|
| 340
|
Tropospheric scatter
|
2,929
|
94
|
Start
|
Unknown
|
| 341
|
Amy Elizabeth Thorpe
|
2,927
|
94
|
Start
|
Unknown
|
| 342
|
Unconventional warfare (United States)
|
2,918
|
94
|
C
|
Unknown
|
| 343
|
Foreign internal defense
|
2,909
|
93
|
B
|
Unknown
|
| 344
|
Orion (satellite)
|
2,907
|
93
|
Start
|
Unknown
|
| 345
|
Victor Cherkashin
|
2,895
|
93
|
Start
|
Unknown
|
| 346
|
Imagery intelligence
|
2,874
|
92
|
Start
|
Unknown
|
| 347
|
Cairo Gang
|
2,874
|
92
|
Start
|
Unknown
|
| 348
|
Carter Page
|
2,868
|
92
|
B
|
Unknown
|
| 349
|
Zvi Zamir
|
2,866
|
92
|
Start
|
Unknown
|
| 350
|
Internal security
|
2,842
|
91
|
Start
|
Unknown
|
| 351
|
Warrenton Training Center
|
2,830
|
91
|
B
|
Unknown
|
| 352
|
Cobra Dane
|
2,829
|
91
|
Start
|
Unknown
|
| 353
|
Charlotte Gray (film)
|
2,816
|
90
|
C
|
Unknown
|
| 354
|
T-Force
|
2,780
|
89
|
Start
|
Unknown
|
| 355
|
United States documents leak of the War in Afghanistan
|
2,759
|
89
|
Start
|
Unknown
|
| 356
|
SCL Group
|
2,755
|
88
|
C
|
Unknown
|
| 357
|
Gary Schroen
|
2,751
|
88
|
Start
|
Unknown
|
| 358
|
Johnny Jebsen
|
2,742
|
88
|
C
|
Unknown
|
| 359
|
Russian disinformation
|
2,741
|
88
|
B
|
Unknown
|
| 360
|
Rainbow Code
|
2,726
|
87
|
List
|
Unknown
|
| 361
|
Robert Ames (CIA official)
|
2,721
|
87
|
Start
|
Unknown
|
| 362
|
Pierre-sur-Haute military radio station
|
2,714
|
87
|
GA
|
Unknown
|
| 363
|
The Squeaky Wheel
|
2,709
|
87
|
Start
|
Unknown
|
| 364
|
Elyesa Bazna
|
2,705
|
87
|
GA
|
Unknown
|
| 365
|
Heinrich Maier
|
2,681
|
86
|
Start
|
Unknown
|
| 366
|
Ali Mohamed (double agent)
|
2,673
|
86
|
Start
|
Unknown
|
| 367
|
CIA activities in the United States
|
2,668
|
86
|
Start
|
Unknown
|
| 368
|
Deuxième Bureau
|
2,661
|
85
|
C
|
Unknown
|
| 369
|
Ryszard Kukliński
|
2,657
|
85
|
C
|
Unknown
|
| 370
|
Directorate of Military Intelligence (Ireland)
|
2,642
|
85
|
C
|
Unknown
|
| 371
|
Security and Intelligence Division
|
2,605
|
84
|
Start
|
Unknown
|
| 372
|
Cryptanalysis of the Lorenz cipher
|
2,602
|
83
|
C
|
Unknown
|
| 373
|
Iosif Grigulevich
|
2,589
|
83
|
C
|
Unknown
|
| 374
|
Aaron Cohen (actor)
|
2,587
|
83
|
Start
|
Unknown
|
| 375
|
CIA University
|
2,553
|
82
|
Start
|
Unknown
|
| 376
|
Portland Spy Ring
|
2,547
|
82
|
FA
|
Unknown
|
| 377
|
Naval Intelligence Division (United Kingdom)
|
2,534
|
81
|
Start
|
Unknown
|
| 378
|
National Intelligence University
|
2,526
|
81
|
Start
|
Unknown
|
| 379
|
Intelligence cycle
|
2,523
|
81
|
C
|
Unknown
|
| 380
|
James Armistead Lafayette
|
2,515
|
81
|
C
|
Unknown
|
| 381
|
Philip Morrison
|
2,513
|
81
|
GA
|
Unknown
|
| 382
|
Pakistani Intelligence community
|
2,502
|
80
|
CL
|
Unknown
|
| 383
|
Federal Counterintelligence Service
|
2,499
|
80
|
Start
|
Unknown
|
| 384
|
United States Army Security Agency
|
2,494
|
80
|
C
|
Unknown
|
| 385
|
German Corpse Factory
|
2,491
|
80
|
C
|
Unknown
|
| 386
|
First wave of European colonization
|
2,473
|
79
|
C
|
Unknown
|
| 387
|
Total Information Awareness
|
2,456
|
79
|
B
|
Unknown
|
| 388
|
G-2 (intelligence)
|
2,456
|
79
|
C
|
Unknown
|
| 389
|
Dirección de Inteligencia
|
2,454
|
79
|
Start
|
Unknown
|
| 390
|
Reconnaissance General Bureau
|
2,445
|
78
|
Start
|
Unknown
|
| 391
|
Combat Intelligence Collection Corps (Israel)
|
2,435
|
78
|
Start
|
Unknown
|
| 392
|
Able Danger
|
2,433
|
78
|
B
|
Unknown
|
| 393
|
Propaganda during the Yugoslav Wars
|
2,420
|
78
|
C
|
Unknown
|
| 394
|
Agenzia Informazioni e Sicurezza Esterna
|
2,410
|
77
|
Start
|
Unknown
|
| 395
|
Ministry of Public Security (Poland)
|
2,404
|
77
|
C
|
Unknown
|
| 396
|
General Intelligence Department (Jordan)
|
2,380
|
76
|
Start
|
Unknown
|
| 397
|
Misty (satellite program)
|
2,376
|
76
|
Start
|
Unknown
|
| 398
|
Military psychology
|
2,371
|
76
|
Start
|
Unknown
|
| 399
|
Michael S. Rogers
|
2,369
|
76
|
C
|
Unknown
|
| 400
|
Main Directorate for Reconnaissance
|
2,366
|
76
|
Start
|
Unknown
|
| 401
|
First Aid Nursing Yeomanry
|
2,365
|
76
|
C
|
Unknown
|
| 402
|
Oniwaban
|
2,359
|
76
|
Start
|
Unknown
|
| 403
|
Victor Ostrovsky
|
2,353
|
75
|
Start
|
Unknown
|
| 404
|
Ronald Pelton
|
2,344
|
75
|
Start
|
Unknown
|
| 405
|
F. F. E. Yeo-Thomas
|
2,336
|
75
|
Start
|
Unknown
|
| 406
|
Clandestine HUMINT operational techniques
|
2,327
|
75
|
Start
|
Unknown
|
| 407
|
Caleb Brewster
|
2,313
|
74
|
Start
|
Unknown
|
| 408
|
Fake news websites in the United States
|
2,313
|
74
|
Start
|
Unknown
|
| 409
|
William F. Friedman
|
2,301
|
74
|
C
|
Unknown
|
| 410
|
Formoza Military Unit
|
2,272
|
73
|
Start
|
Unknown
|
| 411
|
List of KGB defectors
|
2,271
|
73
|
BL
|
Unknown
|
| 412
|
Morris Cohen (spy)
|
2,265
|
73
|
C
|
Unknown
|
| 413
|
List of female SOE agents
|
2,264
|
73
|
List
|
Unknown
|
| 414
|
Caesar's Messiah
|
2,239
|
72
|
Start
|
Unknown
|
| 415
|
Roscoe H. Hillenkoetter
|
2,230
|
71
|
C
|
Unknown
|
| 416
|
List of SOE agents
|
2,228
|
71
|
List
|
Unknown
|
| 417
|
Safari Club
|
2,200
|
70
|
C
|
Unknown
|
| 418
|
Alfred Redl
|
2,183
|
70
|
C
|
Unknown
|
| 419
|
Richard Dearlove
|
2,181
|
70
|
Start
|
Unknown
|
| 420
|
Sir George Downing, 1st Baronet
|
2,176
|
70
|
C
|
Unknown
|
| 421
|
Richard M. Bissell Jr.
|
2,157
|
69
|
C
|
Unknown
|
| 422
|
Official Secrets Act (India)
|
2,153
|
69
|
Start
|
Unknown
|
| 423
|
Circular reporting
|
2,148
|
69
|
C
|
Unknown
|
| 424
|
Mildred Harnack
|
2,132
|
68
|
C
|
Unknown
|
| 425
|
White propaganda
|
2,131
|
68
|
Stub
|
Unknown
|
| 426
|
Romanian Intelligence Service
|
2,114
|
68
|
C
|
Unknown
|
| 427
|
Cutout (espionage)
|
2,107
|
67
|
Stub
|
Unknown
|
| 428
|
Cyber and Information Domain Service
|
2,092
|
67
|
B
|
Unknown
|
| 429
|
Reichssicherheitsdienst
|
2,081
|
67
|
C
|
Unknown
|
| 430
|
SISMI
|
2,051
|
66
|
Start
|
Unknown
|
| 431
|
Leo Marks
|
2,050
|
66
|
C
|
Unknown
|
| 432
|
MOD Chicksands
|
2,039
|
65
|
Start
|
Unknown
|
| 433
|
Traffic analysis
|
2,028
|
65
|
Start
|
Unknown
|
| 434
|
Lacrosse (satellite)
|
2,026
|
65
|
Start
|
Unknown
|
| 435
|
Revolution in military affairs
|
2,022
|
65
|
Start
|
Unknown
|
| 436
|
MI4
|
2,019
|
65
|
Start
|
Unknown
|
| 437
|
Akhtar Abdur Rahman
|
2,017
|
65
|
C
|
Unknown
|
| 438
|
Cyber threat intelligence
|
2,013
|
64
|
Start
|
Unknown
|
| 439
|
Operation Basalt
|
1,989
|
64
|
Start
|
Unknown
|
| 440
|
Le petit soldat
|
1,978
|
63
|
Start
|
Unknown
|
| 441
|
Blowback (intelligence)
|
1,969
|
63
|
Start
|
Unknown
|
| 442
|
United States person
|
1,952
|
62
|
Start
|
Unknown
|
| 443
|
High Frequency Global Communications System
|
1,942
|
62
|
C
|
Unknown
|
| 444
|
George Koval
|
1,942
|
62
|
FA
|
Unknown
|
| 445
|
Yury Ivanov-class intelligence ship
|
1,942
|
62
|
C
|
Unknown
|
| 446
|
Agent of influence
|
1,935
|
62
|
Start
|
Unknown
|
| 447
|
Anthony Shaffer (intelligence officer)
|
1,933
|
62
|
Start
|
Unknown
|
| 448
|
Mabahith
|
1,925
|
62
|
Start
|
Unknown
|
| 449
|
American Civil War spies
|
1,915
|
61
|
C
|
Unknown
|
| 450
|
Nili
|
1,913
|
61
|
Start
|
Unknown
|
| 451
|
Peter Churchill
|
1,893
|
61
|
Start
|
Unknown
|
| 452
|
Russian ship Liman
|
1,845
|
59
|
C
|
Unknown
|
| 453
|
Margaret Kemble Gage
|
1,843
|
59
|
C
|
Unknown
|
| 454
|
R. H. Bruce Lockhart
|
1,813
|
58
|
Start
|
Unknown
|
| 455
|
Cipher Bureau (Poland)
|
1,786
|
57
|
GA
|
Unknown
|
| 456
|
National Air and Space Intelligence Center
|
1,741
|
56
|
Start
|
Unknown
|
| 457
|
Arthur Owens
|
1,738
|
56
|
Start
|
Unknown
|
| 458
|
Norwegian Intelligence Service
|
1,734
|
55
|
C
|
Unknown
|
| 459
|
Oslo Report
|
1,722
|
55
|
Start
|
Unknown
|
| 460
|
Samuel Goudsmit
|
1,710
|
55
|
Start
|
Unknown
|
| 461
|
Vishnya-class intelligence ship
|
1,702
|
54
|
Start
|
Unknown
|
| 462
|
Sugar Grove Station
|
1,693
|
54
|
Start
|
Unknown
|
| 463
|
David Atlee Phillips
|
1,691
|
54
|
Start
|
Unknown
|
| 464
|
Counterproliferation
|
1,683
|
54
|
Start
|
Unknown
|
| 465
|
Sidney Souers
|
1,680
|
54
|
Start
|
Unknown
|
| 466
|
Walter Krivitsky
|
1,673
|
53
|
C
|
Unknown
|
| 467
|
Walter Schreiber
|
1,657
|
53
|
Start
|
Unknown
|
| 468
|
KH-7 Gambit
|
1,643
|
53
|
Start
|
Unknown
|
| 469
|
Interdiction
|
1,637
|
52
|
Start
|
Unknown
|
| 470
|
D-Day naval deceptions
|
1,637
|
52
|
FA
|
Unknown
|
| 471
|
Dick Ellis
|
1,635
|
52
|
Start
|
Unknown
|
| 472
|
Words of estimative probability
|
1,631
|
52
|
Start
|
Unknown
|
| 473
|
Vulkan files leak
|
1,621
|
52
|
Start
|
Unknown
|
| 474
|
George Trofimoff
|
1,609
|
51
|
C
|
Unknown
|
| 475
|
P. O. Box 1142
|
1,605
|
51
|
Start
|
Unknown
|
| 476
|
Alexander Radó
|
1,599
|
51
|
C
|
Unknown
|
| 477
|
645th Aeronautical Systems Group
|
1,589
|
51
|
Start
|
Unknown
|
| 478
|
USA-224
|
1,577
|
50
|
Start
|
Unknown
|
| 479
|
Hawaii Cryptologic Center
|
1,575
|
50
|
Stub
|
Unknown
|
| 480
|
Multi-spectral camouflage
|
1,573
|
50
|
C
|
Unknown
|
| 481
|
Forward Operating Base Chapman
|
1,565
|
50
|
C
|
Unknown
|
| 482
|
William G. Sebold
|
1,557
|
50
|
Start
|
Unknown
|
| 483
|
Double Dragon (hacking group)
|
1,556
|
50
|
C
|
Unknown
|
| 484
|
Operation Bloodstone
|
1,554
|
50
|
Stub
|
Unknown
|
| 485
|
Force Research Unit
|
1,550
|
50
|
C
|
Unknown
|
| 486
|
National Intelligence Service (Greece)
|
1,543
|
49
|
Start
|
Unknown
|
| 487
|
Duress code
|
1,543
|
49
|
Start
|
Unknown
|
| 488
|
Eurospy film
|
1,540
|
49
|
Start
|
Unknown
|
| 489
|
Defense Support Program
|
1,537
|
49
|
C
|
Unknown
|
| 490
|
Gary Berntsen
|
1,534
|
49
|
Start
|
Unknown
|
| 491
|
National Cryptologic Museum
|
1,528
|
49
|
C
|
Unknown
|
| 492
|
Signals intelligence operational platforms by nation
|
1,528
|
49
|
Start
|
Unknown
|
| 493
|
Fort Ritchie
|
1,526
|
49
|
Start
|
Unknown
|
| 494
|
Lona Cohen
|
1,519
|
49
|
C
|
Unknown
|
| 495
|
Compartmentalization (information security)
|
1,515
|
48
|
Start
|
Unknown
|
| 496
|
Vladimir Vetrov
|
1,504
|
48
|
Start
|
Unknown
|
| 497
|
Future Imagery Architecture
|
1,501
|
48
|
C
|
Unknown
|
| 498
|
Internet manipulation
|
1,496
|
48
|
C
|
Unknown
|
| 499
|
Genevieve Grotjan Feinstein
|
1,484
|
47
|
C
|
Unknown
|
| 500
|
Medvedev Forest massacre
|
1,477
|
47
|
Start
|
Unknown
|
