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NIST CSF 2.0
Browse NIST CSF 2.0
PR.AA-01 PR.AA-02 PR.AA-03 PR.AA-04 PR.AA-05 PR.AA-06
Identity Assertions
PR.AA-04: Identity assertions are protected, conveyed, and verified
  • Ex1:  Protect identity assertions that are used to convey authentication and user information through single sign-on systems
  • Ex2:  Protect identity assertions that are used to convey authentication and user information between federated systems
  • Ex3:  Implement standards-based approaches for identity assertions in all contexts, and follow all guidance for the generation (e.g., data models, metadata), protection (e.g., digital signing, encryption), and verification (e.g., signature validation) of identity assertions
Tier
Not Applicable - Not applicable
No - The outcome(s) have not been meaningfully implemented.
Tier 1: Partial - Application of the organizational cybersecurity risk strategy is managed in an ad hoc manner. Prioritization is ad hoc and not formally based on objectives or threat environment.
Tier 2: Risk Informed - Risk management practices are approved by management but may not be established as organization-wide policy. The prioritization of cybersecurity activities and protection needs is directly informed by organizational risk objectives, the threat environment, or business/mission requirements.
Tier 3: Repeatable - The organization’s risk management practices are formally approved and expressed as policy. Risk-informed policies, processes, and procedures are defined, implemented as intended, and reviewed. Organizational cybersecurity practices are regularly updated based on the application of risk management processes to changes in business/mission requirements, threats, and technological landscape.
Tier 4: Adaptive - There is an organization-wide approach to managing cybersecurity risks that uses risk-informed policies, processes, and procedures to address potential cybersecurity events.
Description

Identity assertions are protected, conveyed, and verified