Is there any common practice for setting up a group to handle SAP security? What sorts of separation of responsibilities do auditors usually ask for?
Also, what profiles do Basis administrators usually have? SAP-ALL, or a profile with fewer privileges?
Really depends. Lots of factors weigh into how SAP security is designed, implemented, and administered. Usually, it comes down to: size of company, number of users, number of implementations, and corporate culture. But, typically companies will have a SAP security arm that assists configuration/process teams in designing and maintaining roles. This group will be responsible for designing preventative and detective application controls; and enforcing security policy. Auditors should carry the responsibility for auditing implemented controls (segregation of duties, use request privileges). HelpDesk should perform security administration, following business approvals.
With SAP_ALL access.. Simply put: "less is more." It is better to have fewer folks with this access than more. I feel that SAP Security and SAP BASIS should not have SAP_ALL (for their own good) in production. However, I have never won that argument.
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