Mitigating GRC risks for SAP systems
Advantages of authorization concepts
The daily business of an authorization administrator includes the checks and analyses of critical authorizations and combinations in the system. The focus is on users and roles in the respective clients and system rails. The SAP standard report RSUSR008_009_NEW is suitable for this purpose. You must first create corresponding check variants and authorization values for critical authorizations or combinations either using the program itself or transaction SU_VCUSRVARCOM_CHAN. These then correspond to your internal and external security guidelines. You can then run the report with your respective check scope and the corresponding critical authorization or combination variant and check in which roles or users such violations exist. This serves to protect your entire IT system landscape and should be carried out periodically.
When the FIORI interface is called up, different roles (Fiori groups) are associated with factually related FIORI tiles. As an example, here is the group Master Data in which the FIORI tile "Manage Cost Center" can be found.
Authorization check
Finally, we want to give you some recommendations for securing file access. The SPTH table allows you to protect the file system from ABAP programme accesses without granting permissions and to deliberately define exceptions. The problem is identifying the necessary exceptions. However, because the SPTH check is always performed together with the S_DATASET object check, you can use a long-running permission trace to find the paths that are used with filters for the S_DATASET authorization object. The procedure for this is described in detail in our Tip 39, "Maintain suggestion values by using trace evaluations". If you are using applications that access files in the DIR_HOME directory without a path, such as the ST11 transaction, you must specify access to the allowed file groups individually (e.g. dev_, gw_), because there is no wild card for DIR_HOME.
User trace - Transaction: STUSERTRACE - With the transaction STUSERTRACE you call the user trace. Basically, this is the authorization trace (transaction STUSOBTRACE), which filters for individual users. So you can call exactly the authorization trace and set the filter on a user. As with the authorization trace, the profile parameter "auth/authorization_trace" must be set accordingly in the parameter administration (transaction RZ10).
Assigning a role for a limited period of time is done in seconds with "Shortcut for SAP systems" and allows you to quickly continue your go-live.
Even a division into a development and a test client (with the sensitive data) within the system does not protect against unauthorized data access for the reasons mentioned above.
The current status of the table loggers for the tables can be found in the Protocol column.