ACTG 4620 Chapter Notes - Chapter 1: Distributed Computing, Version Control, External Auditor
1 Mar 2014
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Document Summary
Speed of change in it and seemingly exponential adoption rate by users in organizations leads to questions about information reliability. I & it stakeholders: parties in information system reliability include: Users: customers, employees, trading partners, citizens (public sector) Regulators: reliability in an information system must encompass the following five attributes (caato), completeness, authorization, accuracy, timeliness, occurrence: Existence of recorded transactions, recorded assets: attributes are applied to the entire processing cycle i. e. input, processing, output, storage. System software, application software, database management supporting multiple transaction processing applications. Application software systems that process transactions directly or produce end user information. Software has to be monitored continuously for unusual behavior and protected from unauthorized changes. System software: needed to interface directly with hardware (i. e. operating system) Application software: run on system software. Process transactions directly or product end user information: people: System administrators pose big risk to organizations because have complete access to it systems.
