October 2020
Intermediate to advanced
376 pages
13h 58m
English
Content preview from Access Control and Identity Management, 3rd Edition
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Supervisory Control and Data Acquisition (SCADA) and Industrial Control Systems
An industrial control system (ICS) is a mechanism used to control the output of a specific industrial process. For example, heating a room is a specific process with the desired outcome of maintaining a defined temperature over time. An ICS would receive information from a device, in this case, the thermostat, and decide to heat or not to heat based on the desired temperature. Supervisory control and data acquisition (SCADA) systems are basically large, complex ICSs.
Information systems access controls are generally not built into SCADA or ICS systems. Systems located on the perimeter of a network must rely on physical access control. The programs controlling these ...
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