a system development life cycle (sdlc) is a methodology that can be used to develop or modify application systems. following each phase of this cycle ensures that the new or revised software meets the organization’s needs, that adequate internal controls are consistent with management’s objectives, and that the application is properly implemented. this audit program assumes that an application system is developed by an in-house programming staff.
in these instances, all the steps performed during in-house development of an application are not applicable for purchased software. in these cases, document in the summary memo how the scope of this audit program will be modified and answer not applicable (n/a) to any questions on the icq that do not apply. if accurate and comprehensive documentation is not maintained, the auditor will have difficulty assessing controls without expending substantial effort to obtain an accurate description of significant applications and their relationships to one another. if modifications to application and system software are not adequately controlled, the integrity of the software may be compromised by unauthorized changes in programs, procedures, or data.
the following points represent a detailed approach to the requirements of a user request based on the type of development the software request is categorized under: in a maintenance request which represent a specific change in the software, the exact requirements from a technical and business viewpoint should be specified. 2) based on your sample selection of projects (ref ms pas sspiraab), select the type of projects which would require a business requirements specification to be developed (e.g., enhancement or new system), and ensure that a business requirements specification is present and contains the appropriate information based on the type of development activity. control point ref #: sdlcsaae ————- functional specifications are prepared which transpose business requirements to functional requirements audit steps ———– 1) determine whether the sdlc methodology requires the following components to be contained within the functional specifications: 2) based on your sample selection of projects (ref ms pas sspiraab), select the type of projects which would require a functional specification to be developed (e.g., enhancement or new system), and ensure that a functional specification is present and contains the appropriate information based on the type of development activity.
a review of the system test plan by the application development manager should also be required which is not included in the audit steps for this control point. the objectives of the acceptance test include the following: audit step info ————— a formal signoff from the user which states that the software meets the requirements of the request is not included in the audit steps for this control point. the alternative is to establish a unique naming convention for test procs in order for a production proc not to be executed. an enhancement could at times be a request for additional functionality which was not provided due to a lack of user involvement in the initial functional specifications where the request’s functionality is determined.
this cycle starts with a perceived need and extends through feasibility study, design and development, testing, sdlc audit program. control point ref #: initiation phase of the software development life cycle (sdlc). the user at the start of the sdlc audit, it application delivery weaknesses and remediation plans with oia:., sdlc audit checklist templates, sdlc audit checklist templates, isaca sdlc audit program, sdlc audit plan, sdlc audit report.
this document is available to paid subscribers only. topics: it controls, it audit, it infrastructure sdlc is a process followed for a software project, within a software organization. ❤ consists of a detailed plan program requirements. developing the it audit plan: provides step-by-step guidance on how to develop an it audit, sdlc audit controls, sdlc audit objectives, auditor role in system development life cycle, auditing system development life cycle and business continuity, sdlc internal audit, sdlc phases, sdlc report pdf, system development life cycle controls
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