Week 9 - Processing Integrity and availability controls Flashcards
(9 cards)
1
Q
Define processing integrity control
A
The control of ensuring that the organisation’s data processing is accurate, complete and free from errors
2
Q
What are the 6 criteria of ensuring processing integrity
A
- Procedures exist to prevent, detect and correct processing errors
- System inputs are measured and recorded competely, timely and accurately
3.Data is processed completely, accurately and timely - Data is stored and maintained completely, accurately and timely for its specified lifespan
- System output is complete, accurate and distributed
- Modification of data, other than routine transaction processing, is authorized
3
Q
How can we enhance processing integrity
A
- Input integrity control
- Data entry integrity control
- Output integrity control
4
Q
What are the components of input integrity control
A
- Forms design
- Turnaround documents
5
Q
What are components of data entry control
A
- Field check
- Sign check
- Limit check
- Range check
- Size check
- Completeness check
- Validity check
- Reasonableness test
- Check digit verification
6
Q
What are integrity controls for batch processing
A
- Sequence check
- Batch totals
- Prompting
- Closed-loop verification
7
Q
What are compnents of output integrity controls
A
- Checksums and hash functions
- Digital signatures
- Encryption
- Error detection and correction codes
- Logging and auditing
- Access controls
- Version control
- Redundancy and Backup systems
8
Q
What is availability control
A
They provide assurance that your system and data can be accessed by auhtenticated users whenever they’re needed
9
Q
A