I - Mission Critical Public
Rules and Groups employed by this XCCDF Profile
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SRG-OS-000185-GPOS-00079
Group -
IBM z/VM tapes must use Tape Encryption.
Information at rest refers to the state of information when it is located on a secondary storage device (e.g., disk drive and tape drive, when used for backups) within an operating system. Guest o...Rule Medium Severity -
SRG-OS-000228-GPOS-00088
Group -
The IBM z/VM TCP/IP must be configured to display the mandatory DoD Notice and Consent banner before granting access to the system.
Display of a standardized and approved use notification before granting access to the publicly accessible operating system ensures privacy and security notification verbiage used is consistent with...Rule Medium Severity -
SRG-OS-000254-GPOS-00095
Group -
The IBM z/VM JOURNALING statement must be coded on the configuration file.
If auditing is enabled late in the start-up process, the actions of some start-up processes may not be audited. Some audit systems also maintain state information only available if auditing is enab...Rule Medium Severity -
SRG-OS-000256-GPOS-00097
Group -
CA VM:Secure product SECURITY CONFIG file must be restricted to appropriate personnel.
Protecting audit information also includes identifying and protecting the tools used to view and manipulate log data. Therefore, protecting audit tools is necessary to prevent unauthorized operatio...Rule Medium Severity -
SRG-OS-000257-GPOS-00098
Group -
The IBM z/VM AUDT and Journal Mini Disks must be restricted to the appropriate system administrators.
Protecting audit information also includes identifying and protecting the tools used to view and manipulate log data. Therefore, protecting audit tools is necessary to prevent unauthorized operatio...Rule Medium Severity -
SRG-OS-000123-GPOS-00064
Group -
IBM z/VM must remove or disable emergency accounts after the crisis is resolved or 72 hours.
Emergency accounts are privileged accounts that are established in response to crisis situations where the need for rapid account activation is required. Therefore, emergency account activation may...Rule Medium Severity -
SRG-OS-000259-GPOS-00100
Group -
The IBM z/VM must restrict link access to the disk on which system software resides.
If the operating system were to allow any user to make changes to software libraries, then those changes might be implemented without undergoing the appropriate testing and approvals that are part ...Rule Medium Severity -
SRG-OS-000362-GPOS-00149
Group -
The IBM z/VM Privilege command class A and Class B must be properly assigned.
Allowing regular users to install software, without explicit privileges, creates the risk that untested or potentially malicious software will be installed on the system. Explicit privileges (escal...Rule Medium Severity -
SRG-OS-000364-GPOS-00151
Group -
CA VM:Secure AUTHORIZ CONFIG file must be properly configured.
Failure to provide logical access restrictions associated with changes to system configuration may have significant effects on the overall security of the system. When dealing with access restrict...Rule Medium Severity -
SRG-OS-000341-GPOS-00132
Group -
The IBM z/VM journal minidisk space allocation must be large enough for one weeks worth of audit records.
In order to ensure operating systems have a sufficient storage capacity in which to write the audit logs, operating systems need to be able to allocate audit record storage capacity. The task of a...Rule Medium Severity
Node 2
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