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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 isolation of secure computer systems using various air-gap covert channels. [1] [2] Operation
Browser isolation began as an evolution of the 'security through physical isolation' cybersecurity model and is also known as the air-gap model by security professionals, who have been physically isolating critical networks, users and infrastructures for cybersecurity purposes for decades. Although techniques to breach 'air-gapped' IT systems ...
As a last resort, computers can be protected from malware, and the risk of infected computers disseminating trusted information can be greatly reduced by imposing an "air gap" (i.e. completely disconnecting them from all other networks) and applying enhanced controls over the entry and exit of software and data from the outside world. However ...
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.
Maintaining America’s economic competitiveness will require continued investment in the tools needed to compete in the digital economy and the workforce to build and protect these tools from ...
TEMPEST (Telecommunications Electronics Materials Protected from Emanating Spurious Transmissions [1]) is a U.S. National Security Agency specification and a NATO certification [2] [3] referring to spying on information systems through leaking emanations, including unintentional radio or electrical signals, sounds, and vibrations.
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