Control Server

{
  "id": "MLC-T-CYB-000942",
  "term": "Control Server",
  "field": "Cybersecurity",
  "definition": "1. A term that is used to imply that the output of a controller or computer program is used as input to other controllers.\n\n2. A controller that also acts as a server that hosts the control software that communicates with lower-level control devices, such as remote terminal units (RTUs) and programmable logic controllers (PLCs), over an OT network. In a SCADA system, this is often called a SCADA server, MTU, or supervisory controller.",
  "synonyms": [
    "Master Terminal Unit (MTU)",
    "supervisory control"
  ],
  "references": [
    "NIST SP 800-82r3",
    "NIST CSRC Glossary"
  ],
  "url": "https://mlchart.com/terminology/cybersecurity/control-server/"
}