digital identity

{
  "id": "MLC-T-CYB-001375",
  "term": "digital identity",
  "field": "Cybersecurity",
  "definition": "1. Unique group element 0 for which x+0=x for each group element x, relative to the binary group operator +.\n\n2. The unique representation of a subject engaged in an online transaction. A digital identity is always unique in the context of a digital service, but does not necessarily need to uniquely identify the subject in all contexts. In other words, accessing a digital service may not mean that the subject’s real-life identity is known.\n\n3. An attribute or set of attributes that uniquely describes a subject within a given context.\n\n4. The set of physical and behavioral characteristics by which an individual is uniquely recognizable.\nNote: This also encompasses non-person entities (NPEs).\n\n5. The set of physical and behavioral characteristics by which an individual is uniquely recognizable.\n\n6. Information that is unique within a security domain and which is recognized as denoting a particular entity within that domain.",
  "abbreviation": "identity",
  "references": [
    "NIST SP 800-186",
    "NIST SP 800-63-3 [Superseded]",
    "NIST SP 800-63-4; NIST SP 800-63A-4",
    "CNSSI 4009-2015 from FIPS 201-1",
    "NIST SP 1800-12b",
    "NIST SP 800-33 [Withdrawn]; NIST SP 800-27 Rev. A [Withdrawn]",
    "NIST CSRC Glossary"
  ],
  "url": "https://mlchart.com/terminology/cybersecurity/digital-identity/"
}