University of Waterloo
Internal Audit Department
Types of Audit Reviews


(click on highlighted headings to see additional information)

Operational Reviews

Operational reviews are audit projects of a specific department, unit or function of the University. The reviews include internal control, efficiency and effectiveness issues. The scope may be general or limited depending on the identified risk factors in the planning process, and any management concerns.

Horizontal Audits

Horizontal audits are the review of a specific function that spans a number of operational units. The scope is usually limited to identified risk areas.

Computer System Reviews

Computer System Reviews can be either system development reviews or reviews of existing systems. Depending on the complexity of the system and the timing of the review, the scope may be general or limited. Manual controls associated with the system are normally included in the review.

Special Investigations

Special investigations are normally the result of a management request. Common requests include:

External Audit Assistance

Internal Audit staff provide assistance to the external auditors during their annual financial statement audit.  The extent and scope of the assistance is subject to negotiations during annual audit planning activities.  Common areas of assistance include: computer file analysis and sampling, control reviews, transaction testing, receivable confirmations, and assistance in completion of selected sections of their year-end audit file.  Where possible, internal and external audit activities are coordinated to avoid duplication of audit effort.

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