Sounds like they abuse the words "air-gapped". According to Wikipedia [1]: "An air gap, air wall, air gapping or disconnected network is a network security mea

Sounds like they abuse the words "air-gapped". According to Wikipedia [1]: "An air gap, air wall, air gapping or disconnected network is a network security measure employed on one or more computers to ensure that a secure computer network is physically isolated from unsecured networks." [1]: https://en.wikipedia.org/wiki/Air_gap_(networking) https://en.wikipedia.org/wiki/Air_gap_(networking)