Confidentiality is one of the most importance of internal audit’s code of ethic that required internal auditor to keep information that they obtain from client during their audit confidential. In others words, information should not hand to people that are not authorized to access.
Normally, internal auditor could have the right to access to most of information of their client. Some of those information is not sensitive yet some are very sensitive.
For example, commercial information like the new produce lunch next week could be very sensitive. Business plan, budget, and employees’ salaries is also importance. If the internal auditor make the information leak to outside or especially competitor. There will be adversely affected to company.
Internal audit confidentiality also prevent auditor to use the client confidential interest to gain personal benefit.
For example, internal audit might access to client ‘s insider share information and by assess that information auditor might sales the share and purchase directly or indirectly.