DS9.1 Configuration Repository and Baseline
Establish a supporting tool and a central repository to contain all relevant information on configuration items. Monitor and record
all assets and changes to assets. Maintain a baseline of configuration items for every system and service as a checkpoint to which to
return after changes..
DS9.2 Identification and Maintenance of Configuration Items
Establish configuration procedures to support management and logging of all changes to the configuration repository. Integrate
these procedures with change management, incident management and problem management procedures.
DS9.3 Configuration Integrity Review
Periodically review the configuration data to verify and confirm the integrity of the current and historical configuration. Periodically
review installed software against the policy for software usage to identify personal or unlicensed software or any software instances
in excess of current license agreements. Report, act on and correct errors and deviations.