TMA-DB2-8.2.12
Retain All Master Keys
Description
Master keys are needed to access the DEKs that are stored in encrypted databases, transaction logs, and backup images. Since multiple MKs can exist over the life time of these objects, it is necessary to retain them all while the encrypted data is retained. If a MK is lost, the encrypted data in the object cannot be retrieved. An organizations standard operating procedures (SOP) should have a ...
How it is checked
Audit method: Manual review
This recommendation cannot be checked automatically. A scan lists it with these instructions when you pass --include-manual.
Check the organization's SOP for specific instructions on tracking what data is encrypted with a particular master key, and that there are details on how to archive a master key for long term storage. Ensure the SOP clearly states master keys should never be deleted.
How it is fixed
Fix method: Guidance or infrastructure patch
Update the SOP to provide guidance found missing during the audit.
Properties
- Operating systems
- Any
- Tags
- db2databasemanual
- Reference
- CIS IBM Db2 12.1 Benchmark v1.0.0 - 8.2.12 Retain All Master Keys