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 auditor's report is a formal opinion, or disclaimer thereof, issued by either an internal auditor or an independent external auditor as a result of an internal or external audit, as an assurance service in order for the user to make decisions based on the results of the audit.
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.
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.
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).
An engagement letter defines the legal relationship between a professional firm and its client(s). This letter states the terms and conditions of the engagement, principally addressing the scope of the engagement and the terms of compensation for the firm.
In the United States, the Single Audit, Subpart F of the OMB Uniform Guidance, is a rigorous, organization-wide audit or examination of an entity that expends $750,000 or more of federal assistance received for its operations. Usually performed annually, the Single Audit's objective is to provide assurance to the US federal government as to the management and use of such funds by recipients such as states, cities, universities, non-profit organizations, and Indian Tribes. The audit is typically performed by an independent certified public accountant (CPA) and encompasses both financial and compliance components. The Single Audits must be submitted to the Federal Audit Clearinghouse along with a data collection form, Form SF-SAC.
ISA 230 Audit Documentation is one of the International Standards on Auditing. It serves to direct the documentation of audit working papers in order to assist the audit planning and performance; the supervision and review of the audit work; and the recording of audit evidence resulting from the audit work in order to support the auditor's opinion.
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.
Audit evidence is evidence obtained by auditors during a financial audit and recorded in the audit working papers.
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.
Negative assurance within accounting ethics, is a method used by the Certified Public Accountant to assure various parties, such as bankers and stockbrokers, that financial data under review by them is reasonable. Negative assurance tells the data user that nothing has come to the CPA's attention of an adverse nature or character regarding the financial data reviewed.
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.
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.
Audit planning is a vital area of the [audit], primarily conducted at the beginning of audit process, to ensure that appropriate attention is devoted to important areas, potential problems are promptly identified, work is completed expeditiously and work is properly coordinated. "Audit planning" means developing a general strategy and a detailed approach for the expected nature, timing and extent of the audit. The auditor plans to perform the audit in an efficient and timely manner. In simple words, developing an overall strategy for the effective conduct and scope of the examination.
Deloitte & Touche v Livent Inc , 2017 SCC 63 is a leading case of the Supreme Court of Canada concerning the duty of care that auditors have toward their clients during the course of a professional engagement.
Audit technology is the use of computer technology to improve an audit. Audit technology is used by accounting firms to improve the efficiency of the external audit procedures they perform.
