The BEST way for an IS auditor to determine which business processes are currently outsourced to a specific service provider is to review the:
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A. B. C. D.B.
As an IS auditor, the best way to determine which business processes are currently outsourced to a specific service provider is to review the service provider's contract. This is because the contract is a legally binding agreement between the organization and the service provider, which outlines the services to be provided, the scope of work, and the responsibilities of each party.
Reviewing the service provider's contract will provide the IS auditor with a clear understanding of the specific services that are being outsourced and the contractual obligations of both parties. This will help the IS auditor to assess whether the service provider is meeting its contractual obligations and whether the outsourcing arrangement is aligned with the organization's strategic goals.
While reviewing the enterprise architecture (EA) diagram may provide some information about the organization's overall IT infrastructure, it may not provide specific information about which business processes are outsourced to a particular service provider. Similarly, reviewing the vendor management policy may provide some information about the organization's overall approach to vendor management, but may not provide specific information about which business processes are outsourced to a particular service provider.
Request for proposal (RFP) responses may provide some information about the services being proposed by the service provider, but they may not accurately reflect the services that are actually being provided under the contract. Therefore, reviewing the service provider's contract remains the best way for an IS auditor to determine which business processes are currently outsourced to a specific service provider.