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AC3 - Accuracy, Completeness and Authenticity Checks

This topic is intended to enable collaboration and sharing of information to facilitate a better understanding and approach to implementing this COBIT control objective based on the risk, value and guidance provided by its corresponding control practices.

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Accuracy, Completeness and Authenticity Checks

Ensure that transactions are accurate, complete and valid. Validate data that were input, and edit or send back for correction as close to the point of origination as possible.

View value and Risk Drivers  help

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Value Drivers

  • Data processing errors efficiently remediated
  • Data accuracy, completeness and validity maintained during processing
  • Uninterrupted transaction processing
  • Segregation of duties for data entry and processing
  Risk Drivers
  • Processing inefficiencies and reworks due to incomplete, invalid or inaccurate data entry
  • Compromised integrity of critical data
  • Data entry errors undetected
  • Unauthorised data entry

View Control Practices  help

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  1. Ensure that transaction data are verified as close to the data entry point as possible and interactively during online sessions. Ensure that transaction data, whether people-generated, system-generated or interfaced inputs, are subject to a variety of controls to check for accuracy, completeness and validity. Wherever possible, do not stop transaction validation after the first error is found. Provide understandable error messages immediately such that they enable efficient remediation.
  2. Implement controls to ensure accuracy, completeness, validity and compliancy to regulatory requirements of data input. Controls may include sequence, limit, range, validity, reasonableness, table look-ups, existence, key verification, check digit, completeness (e.g., total monetary amount, total items, total documents, hash totals), duplicate and logical relationship checks, and time edits. Validation criteria and parameters should be subject to periodic reviews and confirmation.
  3. Establish access control and role and responsibility mechanisms so that only authorised persons input, modify and authorise data.
  4. Define requirements for segregation of duties for entry, modification and authorisation of transaction data as well as for validation rules. Implement automated controls and role and responsibility requirements.
  5. Report transactions failing validation and post them to a suspense file. Report all errors in a timely fashion, and do not delay processing of valid transactions.
  6. Ensure that transactions failing edit and validation routines are subject to appropriate follow-up until errors are remediated. Ensure that information on processing failures is maintained to allow for root cause analysis and help adjust procedures and automated controls.

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Downloads
Posted by ISACA 704 days ago
Downloads
Experienced business and IT professionals know that optimizing their use of big data as a resource will deliver real business value to the enterprise stakeholders.
Posted by ISACA 63 days ago
Cobit Related
Posted by ISACA 88 days ago

Events & Online Learning: 11 total

11 Mar 2013
22 Apr 2013
ISACA International Event
Chicago, IL, USA
10 Jun 2013
ISACA International Event
Berlin, Germany
Early bird deadline has been extended: save over US $350 when you register by 1 May. Learn from industry-leading IT experts at Insights 2013. This is a unique opportunity to discover revolutionary new ideas at the world’s premier business event.

Journal Articles: 500 total

Volume 3, 2013
by Larry G. Wlosinski, CISA, CISM, CRISC, CAP, CDP, CISSP, ITIL
How will an organization’s information security staff be affected if the organization’s computer systems are moved to a cloud environment?
Volume 3, 2013
by Kaya Kazmirci, CISA, CISM, CISSP
The Turkish Banking Association recently commented on the COBIT 4.1 migration to COBIT 5 and its relevant impact on banking operations.
Volume 3, 2013
by Steven DeFino and Larry Greenblatt | Reviewed by Dauda Sule, CISA
This Guide is targeted toward individuals who wish to attain the Certified Ethical Hacker (CEH) certification.
Volume 3, 2013
by Vasant Raval, CISA, DBA
Cheating, of course, is a type of indiscretion and suggests the degradation of moral fabric as much as other indiscretions such as financial fraud.
Volume 3, 2013
by Kumar Setty, CISA, and Rohit Bakhshi
Big data not only encompasses the classic world of transactions, but also includes the new world of interactions and observations.
Volume 3, 2013
by Tommie Singleton, CISA, CGEIT, CPA
Every time an IT auditor engages in an IT audit/assurance project, at least one person reviews the work.

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