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Noun: backdoor  'bak'dor
  1. An undocumented way to get access to a computer system or the data it contains
    - back door
     
  2. An entrance at the rear of a building
    - back door, back entrance
     
  3. A secret or underhand means of access (to a place or a position)
    "he got his job through the backdoor";
    - back door

Derived forms: back doors

Type of: access, access code, exterior door, outside door

Encyclopedia: Backdoor