To conduct information system audit, a plan has to be developed, similar to one used in financial auditing. Explain the key tasks involved in the same.

The key tasks involved in the plan in order to conduct information system audit are given as follows: Definition of scope and objectives; Analysis and understanding of standard procedures; Evaluation of system and internal controls; Audit procedures and documentation of evidence; Analysis of facts encountered; Formation of opinion over the controls; Presentation of report and recommendations.