What is Air gap (networking)?
An '''air gap''', '''air wall''' or '''air gapping''' is a [[network security]] measure employed on one or more computers to ensure that a secure [[computer network]] is physically isolated from unsecured networks, such as the public [[Internet]] or an unsecured [[local area network]]. Air gapped computers are commonly used in classified settings where network usage must be limited or cut off completely. In an air gapped setting a flash drive is used to transfer needed external data. {{tech-stub}} [[Category:Computer networking]]