Assignment of critical authorizations and handling of critical users
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Access to this data is critical, since the hash values can possibly be decrypted using tools, thus enabling unauthorized logon to the SAP system. Since identical passwords are often used for different systems, the determined password may also be usable for downstream systems. The current or former hash values of the passwords are stored in the tables USR02, USH02, USRPWDHISTORY, USH02_ARC_TMP, VUSER001 and VUSR02_PWD. These tables can be accessed either via classic table access transactions such as SE16 or via database administration transactions such as DBACOCKPIT. The authorizations required for table access via database tools depend on the respective system configuration and should be verified via an authorization trace (transaction STAUTHTRACE), if necessary.
The organisation of a company is represented in the SAP system. Keep an overview here to identify dependencies and control access permissions in an organisation-specific way. In customising, different organisational values are stored for the individual ERP components to enable an organisational mapping of the root and movement data. This mapping is required, among other things, to control access permissions or constraints. We will show you how you can get an overview of the well-maintained organisational units and see dependencies between the different organisational values.
SAP Note 1720401 extends the SU10 transaction (mass maintenance of users) with the previously missing option to select users by login date and password changes. The notice adds these features to the RSUSR200 report. This report can also be executed directly using the transaction SU10 and the corresponding permission. After the hint has been inserted, the transaction SU10 will be expanded to include the login data button.
Suitable for this responsible task are, for example, department heads or SAP key users who are familiar with all data access options (cross-module, via report, directly to the raw table, etc.) as well as with the organizational and technical protection measures. By signing the data ownership concept, the responsibility should be acknowledged and taken as seriously and bindingly as, for example, the signature under the purchase contract of a house.
With "Shortcut for SAP systems" you can automate the assignment of roles after a go-live.
To calculate the recommendations, you can filter the SAP notes by their productive system, by the SAP solution, and by the applications and components, by the technical system name, and by the time of publication.
To learn how to do this, see Tip 27, "Define S_RFC permissions using usage data." However, such a cleanup of the privileges of your interface users cannot happen overnight.