Auditing is a process of providing an opinion about functions or processes under the scope of a audit. This audit opinion is based on the evidence obtained during the audit process. Audit evidence plays a critical role in the audit process. Evidence on which audit opinions are based should be reliable, competent, and objective. The objective and scope of an audit are the best factors to determine the extent of the data requirement.
Reliability of evidence
An IS auditor should consider the sufficiency, competency, and reliability of the audit evidence. Evidence can be considered as competent when it is valid and relevant. The following factors can be considered to determine the reliability of audit evidence.
Independence of the evidence provider
The source of the evidence determines the reliability of the evidence. External evidence (obtained from a source outside the organization) is more reliable than evidence obtained within the organization. A signed...
