CMMC 2.0
Identification and Authentication

CMMC 2.0 IA.L2-3.5.5: Identifier Reuse

Prevent an identifier from being reissued to a different entity until a defined period has elapsed.

Maintained by Gerard BlokdykVerified against the published standard Control text last updated

What else in your programme already covers this

This control maps to 16 controls across 15 other frameworks. If you already hold one of them, the evidence you collected for it is the starting point here rather than new work.

SOC 2 · 2 controls

  • SOC2-CC6.2 CC6.2 Registering and authorising users before issuing credentials
  • SOC2-CC6.3 CC6.3 Role-based access, least privilege and segregation of duties
  • ANSSI-HYG-05 Maintain an Exhaustive Inventory of Privileged Accounts

C5 (Germany) · 1 control

  • C5-IDM-02 Granting and change of user accounts and access rights

FedRAMP High · 1 control

  • IA-4 Identifier Management

FedRAMP Moderate · 1 control

  • IA-4 Identifier Management

HIPAA Security Rule · 1 control

ISO 27001:2022 · 1 control

  • 5.16 Identity management

ISO 27002:2022 · 1 control

  • 5.16 Identity management
  • NIST-CSF-PR.AA-01 Identities and credentials for authorized users, services, and hardware are managed by the organization

PCI DSS 4.0 · 1 control

  • 8.2.4 8.2.4 User ID lifecycle changes authorized

Every mapping shown was judged rather than inferred from wording similarity, and the ones that failed review are published too. See the coverage reports and what was rejected.

Other controls in Identification and Authentication

You are reading one control. How much of CMMC 2.0 have you already done?

CMMC 2.0 IA.L2-3.5.5 is one control. If you already hold one of the frameworks below, a reviewed crosswalk already says how much of CMMC 2.0 your existing evidence covers. Hold FedRAMP Moderate and 108 of 110 CMMC 2.0 controls already carry evidence.

Each report names every control your existing framework evidences, every one it does not, the reasoning behind each claim, and the claims that were argued against and rejected. 1 were rejected on the FedRAMP Moderate pair alone.

Query this from an agent

The graph holds this control, the 16 it maps to, and the evidence behind each claim, over MCP and REST.