{
  "package" : "hl7.fhir.r4.examples@4.0.1",
  "definition" : "Indicator of the basic digital quality or reliability of the activities performed by the Credential Service Provider (CSP) subsequent to electronic authentication registration, identity proofing and issuance activities to manage and safeguard the integrity of an issued credential and its binding to an identity.  Some confidence that an individual has maintained control over a token that has been entrusted to him or her and that that token has not been compromised. Characteristics include:  Verification must prove claimant controls the token; token resists online guessing, replay, session hijacking, and eavesdropping attacks; and  token is at least weakly resistant to man-in-the middle attacks. [Electronic Authentication Guideline - Recommendations of the National Institute of Standards and Technology, NIST Special Publication 800-63-1, Dec 2011]",
  "system" : "http://terminology.hl7.org/CodeSystem/v3-ObservationValue",
  "property" : [ {
    "_uri" : "http://hl7.org/fhir/concept-properties#parent",
    "code" : "parent",
    "_implicit" : true,
    "valueCode" : "LOACM"
  } ],
  "codesystem" : "e67d8c9c-b493-5a7e-a48f-2e583e5bc47a",
  "concept_id" : "4e68695c-d792-5385-9146-6794772309a9",
  "ancestors" : {
    "LOACM" : 1,
    "LOACM2" : 0,
    "SECTRSTOBV" : 3,
    "TRSTLOAOBV" : 2,
    "_SecurityObservationValue" : 4
  },
  "id" : "5e02ae29-08a6-44de-86a2-a2b48949b9e6",
  "code" : "LOACM2",
  "display" : "basic token and credential management level of assurance",
  "version" : "2018-08-12"
}