I - Mission Critical Classified
Rules and Groups employed by this XCCDF Profile
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SRG-OS-000368-GPOS-00154
<GroupDescription></GroupDescription>Group -
IBM z/OS must not allow nonexistent or inaccessible LINKLIST libraries.
<VulnDiscussion>Control of program execution is a mechanism used to prevent execution of unauthorized programs. Some operating systems may pr...Rule Medium Severity -
SRG-OS-000368-GPOS-00154
<GroupDescription></GroupDescription>Group -
IBM z/OS must not allow nonexistent or inaccessible Link Pack Area (LPA) libraries.
<VulnDiscussion>Control of program execution is a mechanism used to prevent execution of unauthorized programs. Some operating systems may pr...Rule Medium Severity -
SRG-OS-000095-GPOS-00049
<GroupDescription></GroupDescription>Group -
IBM z/OS must not have inaccessible APF libraries defined.
<VulnDiscussion>It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission ob...Rule Medium Severity -
SRG-OS-000095-GPOS-00049
<GroupDescription></GroupDescription>Group -
IBM zOS inapplicable PPT entries must be invalidated.
<VulnDiscussion>It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission ob...Rule Medium Severity -
SRG-OS-000095-GPOS-00049
<GroupDescription></GroupDescription>Group -
IBM z/OS LNKAUTH=APFTAB must be specified in the IEASYSxx member(s) in the currently active parmlib data set(s).
<VulnDiscussion>Failure to specify LINKAUTH=APFTAB allows libraries other than those designated as APF to contain authorized modules which co...Rule Medium Severity -
SRG-OS-000095-GPOS-00049
<GroupDescription></GroupDescription>Group -
IBM z/OS must not have duplicated sensitive utilities and/or programs existing in APF libraries.
<VulnDiscussion>Removal of unneeded or non-secure functions, ports, protocols, and services mitigate the risk of unauthorized connection of d...Rule Low Severity -
SRG-OS-000396-GPOS-00176
<GroupDescription></GroupDescription>Group -
The IBM z/OS systems requiring data-at-rest protection must properly employ IBM DS8880 or equivalent hardware solutions for full disk encryption.
<VulnDiscussion>This control addresses the confidentiality and integrity of information at rest and covers user information and system inform...Rule Medium Severity -
SRG-OS-000420-GPOS-00186
<GroupDescription></GroupDescription>Group -
The IBM z/OS Policy Agent must contain a policy that protects against or limits the effects of denial-of-service (DoS) attacks by ensuring the operating system is implementing rate-limiting measures on impacted network interfaces.
<VulnDiscussion>DoS is a condition when a resource is not available for legitimate users. When this occurs, the organization either cannot ac...Rule Medium Severity -
SRG-OS-000142-GPOS-00071
<GroupDescription></GroupDescription>Group -
The IBM z/OS Policy Agent must contain a policy that manages excess capacity, bandwidth, or other redundancy to limit the effects of information flooding types of denial-of-service (DoS) attacks.
<VulnDiscussion>DoS is a condition when a resource is not available for legitimate users. When this occurs, the organization either cannot ac...Rule Medium Severity -
SRG-OS-000031-GPOS-00012
<GroupDescription></GroupDescription>Group -
The IBM z/OS must employ a session manager that conceals, via the session lock, information previously visible on the display with a publicly viewable image.
<VulnDiscussion>A session lock is a temporary action taken when a user stops work and moves away from the immediate physical vicinity of the ...Rule Medium Severity
Node 2
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