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AC1 - Source Data Preparation and Authorisation

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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Source Data Preparation and Authorisation

Ensure that source documents are prepared by authorised and qualified personnel following established procedures, taking into account adequate segregation of duties regarding the origination and approval of these documents. Minimise errors and omissions through good input form design. Detect errors and irregularities so they can be reported and corrected.

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Value Drivers

  • Data integrity
  • Standardised and authorised transaction documentation
  • Improved application performance
  • Accuracy of transaction data
  Risk Drivers
  • Compromised integrity of critical data
  • Unauthorised and/or erroneous transactions
  • Processing inefficiencies and rework

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  1. Design source documents in a way that they increase accuracy with which data can be recorded, control the workflow and facilitate subsequent reference checking. Where appropriate, include completeness controls in the design of the source documents.
  2. Create and document procedures for preparing source data entry, and ensure that they are effectively and properly communicated to appropriate and qualified personnel. These procedures should establish and communicate required authorisation levels (input, editing, authorising, accepting and rejecting source documents). The procedures should also identify the acceptable source media for each type of transaction.
  3. Ensure that the function responsible for data entry maintains a list of authorised personnel, including their signatures.
  4. Ensure that all source documents include standard components and contain proper documentation (e.g., timeliness, predetermined input codes, default values) and are authorised by management.
  5. Automatically assign a unique and sequential identifier (e.g., index, date and time) to every transaction.
  6. Return documents that are not properly authorised or are incomplete to the submitting originators for correction, and log the fact that they have been returned. Review logs periodically to verify that corrected documents are returned by originators in a timely fashion, and to enable pattern analysis and root cause review.

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Posted by ISACA 704 days ago
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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.

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Volume 3, 2013
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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
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Volume 3, 2013
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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
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by Tommie Singleton, CISA, CGEIT, CPA
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