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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]
I read: In Internet Protocol networking, an air gap specifically refers to a physical separation of two devices or networks. It is most recognizable in the time-honored configuration known as "sneaker-net" where the only connection between two devices or networks is via a human being providing media-switching, i.e.; floppies, CDs, USB drives, or connection/disconnection of network connections.
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 machine; Air gap, the space between magnetic pole pieces in which a voice coil operates; Air gaps, the use of air-filled or vacuum pockets as a replacement for low-κ ...
Air-gap malware is malware that is designed to defeat the air-gap isolation of secure computer systems using various air-gap covert channels. [ 1 ] [ 2 ] Operation
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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.
With this version, the SCSI-based Air Gap (e-Gap) was dropped, and the product was unified as a single-server appliance. Instead of using the Air Gap as the security barrier, IAG used Microsoft's ISA Server firewall product. IAG was offered to the public as a pre-installed appliance by Celestix Networks, IVO Networks, PortSys and nAppliance.
S. Science DMZ Network Architecture; SD-WAN; Segment protection; Service control point; Service Interoperability in Ethernet Passive Optical Networks; Shortest path bridging