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The IIA’s Three Lines Model: An update of the Three Lines of Defense

Position Papers The IIA Sep 09, 2020

The IIA’s Three Lines Model: An update of the Three Lines of Defense

The Three Lines Model is a fresh look at the familiar Three Lines of Defense, clarifying and strengthening the underpinning principles, broadening the scope, and explaining how key organizational roles work together to facilitate strong governance and risk management.

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The IIA

The Institute of Internal Auditors