Data analytics (DA) is the method of examining data or information. It helps you to understand the information by transforming raw data into usable and meaningful information.
Examples of the effective use of data analytics
The following are some examples of the use of data analytics:
- To determine the authorized user by combining logical access files with the human resources employee database.
- To determine authorized events by combining the file library settings with change management system data and the date of file changes.
- To identify tailgating by combining input with output records.
- To review system configuration settings.
- To review logs for unauthorized access.
CAATs
CAATs are extremely useful to IS auditors for gathering and analyzing large and complex data during an IS audit. CAATs help an IS auditor collect evidence from different hardware, software environments, and data formats.
The following figure pictorially represents CAAT tools:
CAAT helps an IS auditor...