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Three Lines Model

  • Nexus publisher
  • Posted by Nexus publisher
October 30, 2026

Three Lines Model

The Institute of Internal Auditors’ model that separates management (first line), specialist risk and compliance roles (second line) and independent internal audit (third line) under board oversight.

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  • Nexus publisher
  • Posted by Nexus publisher
October 30, 2026

Control

A measure that maintains and/or modifies risk (ISO 31000:2018).

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  • Nexus publisher
  • Posted by Nexus publisher
October 30, 2026

Risk source

An element which alone or in combination has the potential to give rise to risk (ISO 31000:2018).

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  • Nexus publisher
  • Posted by Nexus publisher
October 30, 2026

Uncertainty

A state, even partial, of deficiency of information related to understanding or knowledge of an event, its consequence or likelihood (ISO 31073:2022, 3.1.3).

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  • Nexus publisher
  • Posted by Nexus publisher
October 30, 2026

Risk management

Coordinated activities to direct and control an organisation with regard to risk (ISO 31000:2018).

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  • Nexus publisher
  • Posted by Nexus publisher
October 30, 2026

Risk

The effect of uncertainty on objectives; the effect can be positive, negative or both (ISO 31073:2022, 3.1.1).

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  • Nexus publisher
  • Posted by Nexus publisher
October 30, 2026

Risk matrix

A table that maps likelihood and consequence ratings to a level of risk; listed in IEC 31010:2019 as a technique for recording and reporting.

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  • Nexus publisher
  • Posted by Nexus publisher
October 30, 2026

Risk detail record

A companion record to a register entry that holds historical information, detailed analysis and accountability details that do not fit in the register (NIST IR 8286Ar1).

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  • Nexus publisher
  • Posted by Nexus publisher
October 30, 2026

Current risk

Risk that has been at least partially addressed by management actions; the rating after existing controls (NIST IR 8286r1).

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  • Nexus publisher
  • Posted by Nexus publisher
October 30, 2026

Inherent risk

Risk conditions that would exist without any organisational interventions (NIST IR 8286r1).

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