To perform their role effectively, internal auditors require organizational independence from management, to enable unrestricted evaluation of management activities and personnel. Although internal auditors are part of company management and paid by the company, the primary customer of internal audit activity is the entity charged with oversight of management's activities. This is typically the Audit Committee of the Board of Directors in the United States. To provide independence, most Chief Audit Executives report to the Chairperson of the Audit Committee and can only be replaced with the concurrence of that individual.
Internal auditing activity is primarily directed at improving internal control. Under the COSO Framework, internal control is broadly defined as a process, effected by an entity's board of directors, management, and other personnel, designed to provide reasonable assurance regarding the achievement of objectives in the following internal control categories:
Management is responsible for internal control. Managers establish policies and processes to help the organization achieve specific objectives in each of these categories. Internal auditors perform audits to evaluate whether the policies and processes are designed and operating effectively and provide recommendations for improvement.
Internal auditing professional standards require the function to monitor and evaluate the effectiveness of the organization's Risk management processes. Risk management relates to how an organization sets objectives, then identifies, analyzes, and responds to those risks that could potentially impact its ability to realize its objectives.
Under the COSO enterprise risk management (ERM) Framework, risks fall under strategic, operational, financial reporting, and legal/regulatory categories. Management performs risk assessment activities as part of the ordinary course of business in each of these categories. Examples include: strategic planning, marketing planning, capital planning, budgeting, hedging, incentive payout structure, and credit/lending practices. Sarbanes-Oxley regulations also require extensive risk assessment of financial reporting processes. Corporate legal counsel often prepares comprehensive assessments of the current and potential litigation a company faces. Internal auditors may evaluate each of these activities, or focus on the processes used by management to report and monitor the risks identified. For example, internal auditors can advise management regarding the reporting of forward-looking operating measures to the Board, to help identify emerging risks.
In larger, more complex organizations, major strategic initiatives are implemented to achieve objectives and drive changes. As a member of senior management, the Chief Audit Executive (CAE) may participate in status updates on these major initiatives. This places the CAE in the position to report on many of the major risks the organization faces to the Audit Committee, or ensure management's reporting is effective for that purpose.
Internal auditors may help companies establish and maintain Enterprise Risk Management processes. Internal auditors also play an important role in helping companies execute a SOX 404 top-down risk assessment. In these latter two areas, internal auditors typically are part of the project team in an advisory role.
Internal auditing activity as it relates to corporate governance is generally informal, accomplished primarily through participation in meetings and discussions with members of the Board of Directors. Corporate governance is a combination of processes and organizational structures implemented by the Board of Directors to inform, direct, manage, and monitor the organization's resources, strategies and policies towards the achievement of the organizations objectives. The internal auditor is often considered one of the "four pillars" of corporate governance, the other pillars being the Board of Directors, management, and the external auditor.
A primary focus area of internal auditing as it relates to corporate governance is helping the Audit Committee of the Board of Directors (or equivalent) perform its responsibilities effectively. This may include reporting critical internal control problems, informing the Committee privately on the capabilities of key managers, suggesting questions or topics for the Audit Committee's meeting agendas, and coordinating carefully with the external auditor and management to ensure the Committee receives effective information.
Based on a risk assessment of the organization, internal auditors, management and oversight Boards determine where to focus internal auditing efforts. Internal auditing activity is generally conducted as one or more discrete projects. A typical internal audit project involves the following steps:
Projects typically take 8-12 weeks to complete, depending on the complexity of the business under review, management's availability to assist, and internal audit resources applied. Many of the above steps are iterative and may not all occur in the sequence indicated.
By analyzing and recommending business improvements in critical areas, auditors help the organization succeed. In addition to assessing business processes, specialists called Information Technology (IT) Auditors review information technology controls.
Internal Audit standards require the development of a plan of audit engagements (projects) based on a risk assessment, updated at least annually. The input of senior management and the Board is typically included in this process. Many departments update their plan of engagements throughout the year as risks or organizational priorities change.
This effort helps ensure the audit activity is aligned with the organization’s objectives, by answering two key questions: First, what goals are the organization trying to accomplish in the upcoming period? Second, how can the Internal Audit Department assist the organization in achieving these goals?
Internal auditors often conduct a series of interviews of senior management to identify potential engagements. Changes in people, processes, or systems often generate audit project ideas. Various documents are reviewed, such as strategic plans, financial reports, consulting studies, etc. Further, the results of prior audits and resolution of open issues are considered. For example, even if a business area is important, prior audit work and the nature and status of open issues may render further audit effort unnecessary. If the organization has a formal enterprise risk management (ERM) program, the risks identified therein help limit the amount of separate risk assessment performed by Internal Audit.
The preliminary plan of engagements is documented and prioritized. Audit resources and expertise are then considered and a final plan is presented to senior management and the Audit Committee. The presentations vary based on the needs of the stakeholders but typically include the following:
A best practice in measurement of the internal audit function involves a balanced scorecard approach. Internal audit functions are primarily evaluated based on the quality of counsel and information provided to the Audit Committee and top management. However, this is primarily qualitative and therefore difficult to measure. “Customer surveys” sent to key managers after each audit project or report can be used to measure performance, with an annual survey to the Audit Committee. Scoring on dimensions such as professionalism, quality of counsel, timeliness of work product, utility of meetings, and quality of status updates are typical with such surveys.
Quantitative measures can also be used to measure the function’s level of execution and qualifications of its personnel. Key measures include:
Plan completion: This is a measure of the degree to which the annual plan of engagements is completed, measured at a point in time. This may be measured using the number of projects completed, weighted by the planned size of each project, with estimates for projects in-progress. Measured throughout the year, it is compared against the percentage of the year elapsed.
Report issuance: This is a measure of the time elapsed from completion of testing to issuance of the final audit report, including management’s action plans. This can be measured in average days or percentage of reports issued within a certain standard, such as 30 days. Establishing expectations for the timing of management’s response to report recommendations is critical. In addition, the scope and degree of change involved in the report’s action plans are key variables. For example, a report for a single retail store requiring only the store manager’s action might take 3-5 days to issue. However, a report consolidating findings from 20 retail stores, with action plans with national implications determined by top management, may take 30-60 days in complex organizations.
Issue closure: Reported audit findings are often called “issues” or “deficiencies.” Professional standards require audit functions to track reported findings to resolution, which effectively requires the maintenance of an issues follow-up database. The number of days that reported issues remain open, or open after their agreed-upon closure date, are key measures. In addition, reporting database statistics such as the number of issues open (unresolved), closed (resolved), and issues opened/closed during a given period are useful statistics.
Staff qualifications: This can be measured through the percentage of staff with professional certifications, graduate degrees, and overall years of experience.
Staff utilization rate: This is measured as the percentage of time spent on projects, as opposed to administrative time such as training or vacation. Many internal audit departments track time by audit project. This is typically captured in a database or spreadsheet.
Staffing level: The number of positions filled relative to the authorized staffing level. Due to the challenge of finding qualified staff, departments may have rotational programs to bring in management to complete tours in the function or be "guest" auditors. Audit departments also "co-source," meaning they obtain contract auditors from service providers.
Developing and retaining quality professionals is a key concern in the profession. Key methods for developing and retaining internal audit staff personnel include:
The Chief Audit Executive (CAE) typically reports the most critical issues to the Audit Committee quarterly, along with management's progress towards resolving them. Critical issues typically have a reasonable likelihood of causing substantial financial or reputational damage to the company. For particularly complex issues, the responsible manager may participate in the discussion. Such reporting is critical to ensure the function is respected, that the proper "tone at the top" exists in the organization, and to expedite resolution of such issues. It is a matter of considerable judgment to select appropriate issues for the Audit Committee's attention and to describe them in the proper context.
The Internal Auditing profession evolved steadily with the progress of management science after World War II. It is conceptually similar in many ways to financial auditing by public accounting firms, quality assurance and banking compliance activities. Much of the theory underlying internal auditing is derived from management consulting and public accounting professions. With the implementation in the United States of the Sarbanes-Oxley Act of 2002, the profession's growth accelerated, as many internal auditors possess the skills required to help companies meet the requirements of the law.
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