backdoor

back-door · noun

imported

Definitions

noun

  1. 1.

    A door at the back or side of a building.

  2. 2.

    (computing) A hidden method for bypassing normal authentication or security controls in a computer system.

  3. 3.

    (adjective) Secret, underhanded, or achieved through indirect means.

Forms

plural: backdoors

Related words

Antonyms: front door, main entrance
See also: entrance, exploit, security
Synonyms: back entrance, rear entrance

Etymology

From English compound of back + door, literally a door at the back of a building, extended metaphorically to mean any secret or unofficial entry point.