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glossary
engineering diagrams and text into an image file (e.g., a JPG document) such that the existence of the engineering data in the image file is difficult for the observer to detect. Stuxnet: A computer worm that was designed to target software and equipment comprising Siemens Corporation developed Supervisory Control and Data Acquisition (SCADA) systems. The payload of the Stuxnet malware included a programmable logic controller rootkit. Stuxnet came to light after it was discovered that it had been used to target Iranian facilities at which Siemens SCADA systems are used to control centrifuges involved in the enrichment of uranium. Supervisory Control and Data Acquisition (SCADA): Computer systems and instrumentation that provide for monitoring and controlling industrial, infrastructure, and facility-based processes, such as the operation of power plants, water treatment facilities, electrical distribution systems, oil and gas pipelines, airports, and factories. Virus: Self-replicating malicious code that attaches itself to an application program or other executable system component and leaves no obvious signs of its presence.7 Website: A set of related web pages containing information. A website is hosted on one or more web servers. A website is accessed via its Uniform Resource Locator (URL). The World Wide Web (WWW) is comprised of all of the publicly accessible websites. Wi-Fi: A type of high-speed wireless networking based on the Institute of Electrical and Electronics Engineers (IEEE) 802.11 standards. Worm: Malware that is able to copy itself from one computer to another, unlike a virus that relies on embedding in another application in order to propagate itself from one computer to another. XML Tag: A markup construct that is part of the open standard known as the Extensible Markup Language (XML). The tag is both human- and machinereadable and used to encode the syntactic parts of the content of a document. For example, in the electronic version of this Manual, a string of text containing a legal term of art could be delimited by the opening and closing tags <legal-term> and </legal term>, for example <legal-term> necessity </legal term>.
7
NIA Glossary.