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The Institute of Internal Auditors North America


 NEW! Updated Model, Timely Understanding


Three LInes ModelThe IIA’s new Three Lines Model has been fully refreshed and updated to reflect current practices and help guide organizational decisions, behaviors, actions, and outcomes to achieve success.

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 Internal Auditor Magazine


Internal Auditor OnlineDigitally Transformed

The time is now for internal auditors and the organizations they serve to adopt a digital-first mindset.

Read the latest issue.​​