+3.3.2.3 Federation Assurance Level

3.3.2.3 Federation Assurance Level

FAL1: FAL1 provides a basic level of protection for federation transactions and supports a wide range of use cases and deployment decisions.

FAL2: FAL2 provides a high level of protection for federation transactions and additional protection against a variety of attacks against federated systems, including attempts to inject assertions into a federated transaction.

FAL3: FAL3 provides a very high level of protection for federation transactions and establishes very high confidence that the information communicated in the federation transaction matches what was established by the CSP and IdP.

Table 3 describes the control objectives (i.e., attack protections) for each federation assurance level.

Table 3. AAL Summary

FAL Control Objectives User Profile
FAL1 Protect against forged assertions. No sensitive personal information is available to any users but some profile or preference data may be retained to support usability or the customization of applications.
FAL2 Protect against forged assertions and injection attacks. Users can access personal information and other sensitive data with appropriate authentication assurance levels (e.g., AAL2 or above).
FAL3 Protect against IdP compromise. Federation primarily supports attribute exchange. Users have access to classified or highly sensitive information or services that could result in a breach that would constitute a major incident under OMB guidance. 
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1. Přehled

1.1 Odkazy

1.2 Identifikované požadavky

1.3 Související regulace

2. Identifikované požadavky

Požadavky

3. Související regulace

Regulace
  • NIST -

    EN: Publications of the National Institute of Standards and Technology (NIST), U.S. Department of Commerce, https://www.nist.gov/, from their electronic versions (OSCAL; SP 800-63-4 from its HTML version, https://pages.nist.gov/800-63-4/). Works of NIST employees are not subject to copyright protection in the United States (17 U.S.C. § 105); the OSCAL content is dedicated to the public domain worldwide (CC0 1.0); outside the United States NIST grants the right to reprint its technical series publications in all formats (NIST copyright statement). Republished courtesy of the National Institute of Standards and Technology; each document names its citation. Divided into sections and converted into the GRCA format, the wording unchanged. Only the versions published by NIST are authoritative.

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