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ITU-T X.1254 (09/2012)

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Entity authentication assurance framework
This Recommendation defines four levels of entity authentication assurance (i.e., LoA 1 – LoA 4), and the criteria and threats for each of the four levels of entity authentication assurance. Additionally, it:
• specifies a framework for managing the assurance levels;
• provides guidance concerning control technologies that are to be used to mitigate authentication threats, based on a risk assessment;
• provides guidance for mapping the four levels of assurance to other authentication assurance schemas; and
• provides guidance for exchanging the results of authentication that are based on the four levels of assurance.
Series title: X series: Data networks, open system communications and security
  X.1200-X.1299: Cyberspace security
  X.1250-X.1299: Identity management (IdM) and Authentication
Approval date: 2012-09-07
Provisional name:X.eaa
Approval process:TAP
Status: Superseded
Maintenance responsibility: ITU-T Study Group 17
Further details: Patent statement(s)
Development history
Ed. ITU-T Recommendation Status Summary Table of Contents Download
2 X.1254 (09/2020) In force
1 X.1254 (09/2012) Superseded
1.0 X.1254 (2012) Err. 1 (05/2013) Superseded - - here