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An air gapped network (right) with no connection to a nearby internet-connected network (left) An air gap, air wall, air gapping [1] 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, such as the public Internet or an unsecured local area network. [2]
Air-gap malware is malware that is designed to defeat the air-gap ... The physical proximity limit can be overcome by creating an acoustically linked mesh network, ...
It is typically introduced to the target environment via an infected USB flash drive, thus crossing any air gap. The worm then propagates across the network, scanning for Siemens Step7 software on computers controlling a PLC. In the absence of either criterion, Stuxnet becomes dormant inside the computer.
A unidirectional network (also referred to as a unidirectional gateway or data diode) is a network appliance or device that allows data to travel in only one direction. Data diodes can be found most commonly in high security environments, such as defense, where they serve as connections between two or more networks of differing security ...
Air gap (networking), physical isolation from external computer networks; IBM airgap, a technique invented by IBM for fabricating vacuum pockets in integrated circuits; Air gap (magnetic), a gap in the magnetic material Air gap, used in inductors and transformers; Air gap in an electric machine, a space between the rotor and the stator in the ...
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Air gap (computing) was created by me around a year ago - in error, thinking that this article didn't exist. The question is whether to call the merged article "Air gap (computing)" or "Air gap (networking)" - I propose "Air gap (networking)", as an air gap specifically means lack of outside connectivity - as a single unnetworked computer is ...
Image credits: Ross Burgener Meanwhile, for Dr. Brandon, the most beautiful natural phenomenon is the northern lights, whereas the most fascinating is the diel vertical migration.