air gap

== English == === Alternative forms === airgap === Noun === air gap (plural air gaps) (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 A gap where there is a vacuum (not actually air), used to reduce power consumption in microelectronics. A type of spark gap using a tube filled with air (which is mostly nitrogen), nitrogen alone, or other gases. ==== Related terms ==== ==== Translations ==== ==== References ==== Kim Zetter, "Hacker Lexicon: What Is an Air Gap?", Wired, 8 December 2014.