Supervisory control and data acquisition (SCADA) is a type of industrial control

system (ICS). Industrial control systems are computer controlled systems that monitor and

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control industrial processes that exist in the physical world. SCADA systems historically

distinguish themselves from other ICS systems by being large-scale processes that can

include multiple sites, and large distances. These processes include industrial,

infrastructure, and facility-based processes, as described below •Industrial processes

include those of manufacturing, production, power generation, fabrication, and refining, and

may run in continuous, batch, repetitive, or discrete modes. •Infrastructure processes may

be public or private, and include water treatment and distribution, wastewater collection and

treatment, oil and gas pipelines, electrical power transmission and distribution, wind farms,

civil defense siren systems, and large communication systems. •Facility processes occur

both in public facilities and private ones, including buildings, airports, ships, and space

stations. They monitor and control heating, ventilation, and air conditioning systems

(HVAC), access, and energy consumption. What is Stuxnet Worm


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