【单选题】Attestation services on information technology include WebTrust services and SysTrust services. Which of the following statements most accurately describes SysTrust services?
A.
SysTrust services provide assurance on business processes, transaction integrity and information processes.
B.
SysTrust services provide assurance on system reliability in critical areas such as security and data integrity.
C.
SysTrust services provide assurance on internal control over financial reporting.
D.
SysTrust services provide assurance as to whether accounting personnel are following procedures prescribed by the company controller.