margin

{
  "id": "MLC-T-CYB-002609",
  "term": "margin",
  "field": "Cybersecurity",
  "definition": "1. The margin allocated during design based on assessments of uncertainty and unknowns. This margin is often consumed as the design matures.\n\n2. A spare amount or measure or degree allowed or given for contingencies or special situations. The allowances carried to account for uncertainties and risks.\n\n3. The margin that is designed explicitly to provide space between the worst normal operating condition and the point at which failure occurs (derives from physical design margin).",
  "synonyms": [
    "design margin",
    "operational margin"
  ],
  "references": [
    "NIST SP 800-160v1r1 from NASA Systems Engineering Handbook",
    "NIST SP 800-160v1r1 from MTR210263",
    "NIST SP 800-160v1r1 from Systems Engineering and System Definitions",
    "NIST CSRC Glossary"
  ],
  "url": "https://mlchart.com/terminology/cybersecurity/margin/"
}