air gap

See also: airgap

English

Alternative forms

Noun

air gap (plural air gaps)

  1. (networking, computer security) A network security measure that consists of ensuring that a secure computer network is physically isolated from unsecured networks, such as the public Internet or an unsecured local area network.
    Synonym: airwall
    • 2016, William D. Bryant, International Conflict and Cyberspace Superiority: Theory and Practice, Routledge, →ISBN, page 153:
      The structure and design of Stuxnet confirms the Iranian air gap, as the attackers clearly designed Stuxnet to jump an air gap utilizing multiple methods.
  2. A gap where there is a vacuum (not actually air), used to reduce power consumption in microelectronics.
  3. A type of spark gap using a tube filled with air (which is mostly nitrogen), nitrogen alone, or other gases.

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