Most of the companies should adhere internal and external security processes that ensures that people do not overcome their responsibility. Regardless which standard your company should adopt, SOX, Basel II. ISO 9001 or CMMI Facio processes allows all tools needed to management information for internal audits and provide requires security as well as traceability of work.
All data access, data manipulation as well as personal decision can be tracked by the system to the separate database that ensure maximal security of such information. Instant moving information to separate data area and everyday archiving of all activity logs ensure that no one cannot sweep information about the steps they made within the system.
Strong rules as well as data security ensures that no one can overcome its authority. E.g. if a process does not allow loan approval without control of two independent internal auditors, the system does not allow approval without prior approvals from appropriate persons.
Each change in processes or data security setting or even in roles can be easily tracked by the internal auditor and thus administrator may not allow change without information to the appropriate person that checks the correcness.
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