An audit is an "independent examination of financial information of any entity, whether profit oriented or not, irrespective of its size or legal form when such an examination is conducted with a view to express an opinion thereon." Auditing also attempts to ensure that the books of accounts are properly maintained by the concern as required by law. Auditors consider the propositions before them, obtain evidence, roll forward prior year working papers, and evaluate the propositions in their auditing report.
A financial audit is conducted to provide an opinion whether "financial statements" are stated in accordance with specified criteria. Normally, the criteria are international accounting standards, although auditors may conduct audits of financial statements prepared using the cash basis or some other basis of accounting appropriate for the organization. In providing an opinion whether financial statements are fairly stated in accordance with accounting standards, the auditor gathers evidence to determine whether the statements contain material errors or other misstatements.
An audit committee is a committee of an organisation's board of directors which is responsible for oversight of the financial reporting process, selection of the independent auditor, and receipt of audit results both internal and external.
An information technology audit, or information systems audit, is an examination of the management controls within an Information technology (IT) infrastructure and business applications. The evaluation of evidence obtained determines if the information systems are safeguarding assets, maintaining data integrity, and operating effectively to achieve the organization's goals or objectives. These reviews may be performed in conjunction with a financial statement audit, internal audit, or other form of attestation engagement.
Statement on Auditing Standards No. 99: Consideration of Fraud in a Financial Statement Audit, commonly abbreviated as SAS 99, is an auditing statement issued by the Auditing Standards Board of the American Institute of Certified Public Accountants (AICPA) in October 2002. The original exposure draft was distributed in February 2002. Please see PCAOB AS 2401.
Information technology controls are specific activities performed by persons or systems to ensure that computer systems operate in a way that minimises risk. They are a subset of an organisation's internal control. IT control objectives typically relate to assuring the confidentiality, integrity, and availability of data and the overall management of the IT function. IT controls are often described in two categories: IT general controls (ITGC) and IT application controls. ITGC includes controls over the hardware, system software, operational processes, access to programs and data, program development and program changes. IT application controls refer to controls to ensure the integrity of the information processed by the IT environment. Information technology controls have been given increased prominence in corporations listed in the United States by the Sarbanes-Oxley Act. The COBIT Framework is a widely used framework promulgated by the IT Governance Institute, which defines a variety of ITGC and application control objectives and recommended evaluation approaches.
An external auditor performs an audit, in accordance with specific laws or rules, of the financial statements of a company, government entity, other legal entity, or organization, and is independent of the entity being audited. Users of these entities' financial information, such as investors, government agencies, and the general public, rely on the external auditor to present an unbiased and independent audit report.
An information security audit is an audit of the level of information security in an organization. It is an independent review and examination of system records, activities, and related documents. These audits are intended to improve the level of information security, avoid improper information security designs, and optimize the efficiency of the security safeguards and security processes. Within the broad scope of auditing information security there are multiple types of audits, multiple objectives for different audits, etc. Most commonly the controls being audited can be categorized as technical, physical and administrative. Auditing information security covers topics from auditing the physical security of data centers to auditing the logical security of databases, and highlights key components to look for and different methods for auditing these areas.
The Committee of Sponsoring Organizations of the Treadway Commission (COSO) is an organization that develops guidelines for businesses to evaluate internal controls, risk management, and fraud deterrence. In 1992, COSO published the Internal Control – Integrated Framework, commonly used by businesses in the United States to design, implement, and conduct systems of internal control over financial reporting and assessing their effectiveness.
Generally Accepted Auditing Standards, or GAAS are sets of standards against which the quality of audits are performed and may be judged. Several organizations have developed such sets of principles, which vary by territory. In the United States, the standards are promulgated by the Auditing Standards Board, a division of the American Institute of Certified Public Accountants (AICPA).
Internal auditing is an independent, objective assurance and consulting activity designed to add value and improve an organization's operations. It helps an organization accomplish its objectives by bringing a systematic, disciplined approach to evaluate and improve the effectiveness of risk management, control and governance processes. Internal auditing might achieve this goal by providing insight and recommendations based on analyses and assessments of data and business processes. With commitment to integrity and accountability, internal auditing provides value to governing bodies and senior management as an objective source of independent advice. Professionals called internal auditors are employed by organizations to perform the internal auditing activity.
Materiality is a concept or convention within auditing and accounting relating to the importance/significance of an amount, transaction, or discrepancy. The objective of an audit of financial statements is to enable the auditor to express an opinion on whether the financial statements are prepared, in all material respects, in conformity with an identified financial reporting framework, such as the Generally Accepted Accounting Principles (GAAP) which is the accounting standard adopted by the U.S. Securities and Exchange Commission (SEC).
ISA 310 Knowledge of the Business was one of the International Standards on Auditing. It is no longer effective with the introduction of ISA 315 'Identifying and assessing the risks of material misstatement through understanding the entity and its environment' and ISA 330 'The auditor's responses to assessed risks'.
ISA 500 Audit Evidence is one of the International Standards on Auditing. It serves to guide the auditor on obtaining audit evidence through the application of an appropriate mix of tests of control systems and substantive tests of transaction and balances.
A control environment, also called "Internal control environment", is a term of financial audit, internal audit and Enterprise Risk Management. It means the overall attitude, awareness and actions of directors and management regarding the internal control system and its importance to the entity. They express it in management style, corporate culture, values, philosophy and operating style, the organisational structure, and human resources policies and procedures.
Internal control, as defined by accounting and auditing, is a process for assuring of an organization's objectives in operational effectiveness and efficiency, reliable financial reporting, and compliance with laws, regulations and policies. A broad concept, internal control involves everything that controls risks to an organization.
In financial auditing of public companies in the United States, SOX 404 top–down risk assessment (TDRA) is a financial risk assessment performed to comply with Section 404 of the Sarbanes-Oxley Act of 2002. Under SOX 404, management must test its internal controls; a TDRA is used to determine the scope of such testing. It is also used by the external auditor to issue a formal opinion on the company's internal controls. However, as a result of the passage of Auditing Standard No. 5, which the SEC has since approved, external auditors are no longer required to provide an opinion on management's assessment of its own internal controls.
Sampling risk is one of the many types of risks an auditor may face when performing the necessary procedure of audit sampling. Audit sampling exists because of the impractical and costly effects of examining all or 100% of a client's records or books. As a result, a "sample" of a client's accounts are examined. Due to the negative effects produced by sampling risk, an auditor may have to perform additional procedures which in turn can impact the overall efficiency of the audit.
Entity-level controls are controls that help to ensure that management directives pertaining to the entire entity are carried out. They are the second level of a to understanding the risks of an organization. Generally, entity refers to the entire company.
The chief audit executive (CAE), director of audit, director of internal audit, auditor general, or controller general is a high-level independent corporate executive with overall responsibility for internal audit.
