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MitM

Abbreviations / Acronyms / Synonyms:

Man in the middle
Man In The Middle
Man-in-the-Middle
Man-In-The-Middle
Man-in-the-Middle Attack

Definitions:

  An attack where the adversary positions himself in between the user and the system so that he can intercept and alter data traveling between them.
Sources:
NISTIR 7711 under Man-In-The-Middle