LECTURE PART 4 KEY TERMS:   
DEVELOPMENT OF MODERN INTELLIGENCE AGENCIES  (PART II)
WORLD WAR I -- MILITARY INTELLIGENCE AND SIGINT   

Foreign Office

Commander Mansfield Cumming “C”

MI6 Max Schultz 

Agadir Crisis

tasking prejudice 

British Expeditionary Force 

GHQ I(b)

Admiral William Reginald “Blinker” Hall

Captain Bernard Trench and Lieutenant Vivian Brandon
(Link:  New York Times Article November 1910 (PDF) )


NATURE OF THE GREAT WAR

symmetric war

timetable war

consumer expectation

failure of cavalry for battlefield intelligence

trench warfare

static intelligence structures

industrialized war of attrition (totalwar)

war of ideologies

Margaret Zelle -- Mata Hari

Room 40

CRYPTOGRAPHY 101

plaintext

steganography  [for more info: http://www.garykessler.net/library/fsc_stego.html ]

transmission security

microdots - datadots

transmission security

cryptography

cipher

transposition

substitution

frequency

cipher alphabets

homophones

nulls

monoalphabetic cipher

polyalphabetic cipher

code

code words

homophone code 

polyphone code

digraph or bigram

ENIGMA ( http://users.telenet.be/d.rijmenants/index.htm  )

polygram

encicode

placode

superemcipher

key

keyword, keyphrase, or key number

one use pads

decipher or decode

decrypt (verb) -- cryptoanalysis (code breaking)

decryption -- decrypt (noun)

decoding - decode

cleartext or "in clear" or "in plain language"

cryptology

cyptography

paradox of cryptanalysis

Zimmerman Telegram Case (Zimmerman Note)