Definitions for backdoor

This page provides all possible meanings and translations of the word backdoor


  1. backdoor(Noun)

    An unprotected passageway by which a criminal can gain access to (an assumed to be) secure area.

  2. backdoor(Noun)

    Anal sex.

  3. Origin: From the phrase back door.

Webster Dictionary

  1. Backdoor(adj)

    acting from behind and in concealment; as, backdoor intrigues


  1. Backdoor

    A backdoor in a computer system is a method of bypassing normal authentication, securing illegal remote access to a computer, obtaining access to plaintext, and so on, while attempting to remain undetected. The backdoor may take the form of an installed program or may subvert the system through a rootkit.

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