Three Lines of Defence Model

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Risk management.

The Three Lines of Defence Model is designed to assure the effective and transparent management of risk by making accountabilities clear.

  • Under the first line of defence, customer facing operational management has ownership, responsibility and accountability for directly assessing, controlling and mitigating risks.
  • The second line of defence consists of independent risk management, compliance and operational risk functions, including oversight and challenge to the first line of defence. This line of defence monitors and facilitates the implementation of effective risk management practices by operational management and assists the risk owners in reporting adequate risk related information.
  • The third line of defence is internal audit, reporting directly to the board. Internal audit reviews and reports on both the first and the second lines of defence.

The Three Lines of Defence Model is widely used in banks.

It is also very relevant for - and widely used by - other organisations.

See also