Centrally review failed authorisation checks in transaction SU53
This solution is only available with a support package starting with SAP NetWeaver AS ABAP 7.31 and requires a kernel patch. For details on the relevant support packages, see SAP Note 1750161. In addition, the SAP Cryptographic Library must be installed; but this is ensured by the required kernel patch. Only if you have manually made a different configuration, you must check this requirement.
The same applies to the concept of data ownership. Here, a person takes responsibility for the data of a certain scope (e.g., SAP system X or system landscape Y) and looks after it as if it were his own precious possession. He or she conscientiously answers questions such as "May data be changed / viewed / deleted?", "How is action taken in the event of a data leak?", "Who may access the data and how, and what may be done with it?".
Use Central User Management change documents
Existing log files are managed using the SM18 transaction. Here you can delete the log files in all active instances. This requires the indication of a minimum age in days for deletion. The smallest possible value is three days, without taking the current day into account in the calculation.
To store all the information on the subject of SAP - and others - in a knowledge database, Scribble Papers is suitable.
First of all, represent your organisation. Map the business processes (if necessary only at the generic level of applications such as MM or CO) across the organisation. On this basis, determine which organisational characteristics (organisational levels, but also cost centres, organisational units, etc.) represent which parts of the organisation. Define (if necessary, only in detail in accounting, otherwise at the level of applications) which functions must necessarily remain separate. If you have a running system, evaluate the use of the last 13 months (see Tip 26, "Use usage data for role definition"). Set up a new system and make sure that processes are always documented to the level of transactions. In such a case, it is also best to collect the business risks directly in the process description.
Authorizations can also be assigned via "Shortcut for SAP systems".
It should therefore be checked whether the detailed settings for the security audit log are set up in accordance with the company's specifications and, in any case, whether all users with comprehensive authorizations, such as SAP_ALL, are fully covered by the logging without exception.
RFC connections are interfaces for many local and global system processes, but also a security-relevant source of errors for many companies.