4 - IS Audit and Input Controls

Environmental controls phy ph sical security of the

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Unformatted text preview: e general integrity of the environment in which the application will function. Environmental controls Phy Ph sical security of the center Data release, reports, and computer programs Audits might be undertaken in several areas. Management controls What are some examples? Copyright © 2009-10 Y.M. Cheung, W. Tan, C. Woo and P. Bera 26 Computer Service Center Audits (cont Center Audits (cont’d) Computer Service Center Audits Service Center Audits BUSI 335 Copyright © 2009-10 Y.M. Cheung, W. Tan, C. Woo and P. Bera 27 BUSI 335 Copyright © 2009-10 Y.M. Cheung, W. Tan, C. Woo and P. Bera 28 Computer Computer Service Center Audits (cont Center Audits (cont’d) Need for Input Controls for Input Controls • Correct data into systems data into systems • Problems with incorrect data: Audits of computer service center operations of computer service center operations require a high degree of technical training and familiarity with systems operations. familiarity with systems operations – Incorrect results results – Propagation of errors • Causes of iincorrect data: of ncorrect data: – Huma...
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