Learning Objectives • Discuss how the COBIT framework can be used to develop sound internal control over an organization’s information systems. • Explain the factors that influence information systems reliability. • Describe how a combination of preventive, detective, and corrective controls can be employed to provide reasonable assurance about information security.
INTRODUCTION • One basic function of an AIS is to provide information useful for decision making. In order to be useful, the information must be reliable, which means: – It provides an accurate, complete, and timely picture of the organization’s activities. – It is available when needed. – The information and the system that produces it is protected from loss, compromise, and theft.
INTRODUCTION SECURITY CONFIDENTIALITY PRIVACY PROCESSING INTEGRITY AVAILABILITY SYSTEMS RELIABILITY The five basic principles that contribute to systems reliability: 1. Security: control access, the foundation 2. Confidentiality: no unauthorized disclosure 3. Online privacy: personal data protected 4. Processing integrity: accurate, complete, timely manner, proper authorization 5. Availability
INTRODUCTION • Sarbanes-Oxley requires management to include an internal control assessment using a suitable framework in the company’s annual report.
Information Criteria (COBIT objectives) • Effectiveness – Information must be relevant and timely. • Efficiency – Information must be produced in a cost-effective manner. • Confidentiality – Sensitive information must be protected from unauthorized disclosure. • Integrity – Information must be accurate, complete, and valid. • Availability – Information must be available whenever needed. • Compliance – Controls must ensure compliance with internal policies and with external legal and regulatory requirements. • Reliability – Management must have access to appropriate information needed to conduct daily activities and to exercise its fiduciary and governance responsibilities.
COBIT Process Framework Information Criteria
COBIT Process Cycle • Management develops plans to organize information resources to provide the information it needs. • Management authorizes and oversees efforts to acquire (or build internally) the desired functionality. • Management ensures that the resulting system actually delivers the desired information. • Management monitors and evaluates system performance against the established criteria. • Cycle constantly repeats, as management modifies existing plans and procedures or develops new ones to respond to changes in business objectives and new developments in information technology.
Trust Services Framework • Trust Services are a set of professional attestation and advisory services based on a core set of principles and criteria that addresses
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