III - Administrative Classified
Rules and Groups employed by this XCCDF Profile
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SRG-OS-000104-GPOS-00051
<GroupDescription></GroupDescription>Group -
IBM z/OS FTP Server daemon must be defined with proper security parameters.
<VulnDiscussion>To assure accountability and prevent unauthenticated access, organizational users must be identified and authenticated to pre...Rule Medium Severity -
SRG-OS-000163-GPOS-00072
<GroupDescription></GroupDescription>Group -
IBM z/OS startup parameters for the FTP Server must be defined in the SYSTCPD and SYSFTPD DD statements for configuration files.
<VulnDiscussion>Terminating an idle session within a short time period reduces the window of opportunity for unauthorized personnel to take c...Rule Medium Severity -
SRG-OS-000163-GPOS-00072
<GroupDescription></GroupDescription>Group -
IBM z/OS FTP.DATA configuration for the FTP Server must have INACTIVE statement properly set.
<VulnDiscussion>Terminating an idle session within a short time period reduces the window of opportunity for unauthorized personnel to take c...Rule Medium Severity -
SRG-OS-000080-GPOS-00048
<GroupDescription></GroupDescription>Group -
IBM z/OS JESTRACE and/or SYSLOG resources must be protected in accordance with security requirements.
<VulnDiscussion>To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-ap...Rule Medium Severity -
SRG-OS-000080-GPOS-00048
<GroupDescription></GroupDescription>Group -
IBM z/OS JESSPOOL resources must be protected in accordance with security requirements.
<VulnDiscussion>To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-ap...Rule Medium Severity -
SRG-OS-000080-GPOS-00048
<GroupDescription></GroupDescription>Group -
IBM z/OS JESNEWS resources must be protected in accordance with security requirements.
<VulnDiscussion>To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-ap...Rule Medium Severity -
SRG-OS-000080-GPOS-00048
<GroupDescription></GroupDescription>Group -
IBM z/OS JES2 system commands must be protected in accordance with security requirements.
<VulnDiscussion>To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-ap...Rule Medium Severity -
SRG-OS-000080-GPOS-00048
<GroupDescription></GroupDescription>Group -
IBM z/OS JES2 spool resources must be controlled in accordance with security requirements.
<VulnDiscussion>To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-ap...Rule Medium Severity -
SRG-OS-000080-GPOS-00048
<GroupDescription></GroupDescription>Group -
IBM z/OS JES2 output devices must be properly controlled for Classified Systems.
<VulnDiscussion>To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-ap...Rule Medium Severity -
SRG-OS-000080-GPOS-00048
<GroupDescription></GroupDescription>Group -
IBM z/OS JES2 output devices must be controlled in accordance with the proper security requirements.
<VulnDiscussion>To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-ap...Rule Medium Severity -
SRG-OS-000080-GPOS-00048
<GroupDescription></GroupDescription>Group -
IBM z/OS JES2 input sources must be controlled in accordance with the proper security requirements.
<VulnDiscussion>To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-ap...Rule Medium Severity -
SRG-OS-000080-GPOS-00048
<GroupDescription></GroupDescription>Group -
IBM z/OS Surrogate users must be controlled in accordance with proper security requirements.
<VulnDiscussion>To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-ap...Rule Medium Severity -
SRG-OS-000032-GPOS-00013
<GroupDescription></GroupDescription>Group -
The IBM z/OS BPX.SMF resource must be properly configured.
<VulnDiscussion>Remote access services, such as those providing remote access to network devices and information systems, which lack automate...Rule Medium Severity -
SRG-OS-000095-GPOS-00049
<GroupDescription></GroupDescription>Group -
IBM z/OS 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-000277-GPOS-00107
<GroupDescription></GroupDescription>Group -
The IBM z/OS system administrator (SA) must develop a process notify appropriate personnel when accounts are removed.
<VulnDiscussion>When operating system accounts are disabled, user accessibility is affected. Accounts are utilized for identifying individual...Rule Medium Severity -
SRG-OS-000275-GPOS-00105
<GroupDescription></GroupDescription>Group -
The IBM z/OS system administrator (SA) must develop a process notify appropriate personnel when accounts are modified.
<VulnDiscussion>Once an attacker establishes access to a system, the attacker often attempts to create a persistent method of reestablishing ...Rule Medium Severity -
SRG-OS-000276-GPOS-00106
<GroupDescription></GroupDescription>Group -
The IBM z/OS system administrator (SA) must develop a process notify appropriate personnel when accounts are deleted.
<VulnDiscussion>When operating system accounts are disabled, user accessibility is affected. Accounts are utilized for identifying individual...Rule Medium Severity -
SRG-OS-000274-GPOS-00104
<GroupDescription></GroupDescription>Group -
The IBM z/OS system administrator (SA) must develop a process notify appropriate personnel when accounts are created.
<VulnDiscussion>Once an attacker establishes access to a system, the attacker often attempts to create a persistent method of reestablishing ...Rule Medium Severity -
SRG-OS-000004-GPOS-00004
<GroupDescription></GroupDescription>Group -
IBM z/OS Required SMF data record types must be collected.
<VulnDiscussion>Without establishing when events occurred, it is impossible to establish, correlate, and investigate the events leading up to...Rule Medium Severity -
SRG-OS-000080-GPOS-00048
<GroupDescription></GroupDescription>Group -
IBM z/OS special privileges must be assigned on an as-needed basis to LOGONIDs associated with STCs and LOGONIDs that need to execute TSO in batch.
<VulnDiscussion>To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-ap...Rule Medium Severity -
SRG-OS-000038-GPOS-00016
<GroupDescription></GroupDescription>Group -
IBM z/OS must specify SMF data options to assure appropriate activation.
<VulnDiscussion>Without establishing when events occurred, it is impossible to establish, correlate, and investigate the events leading up to...Rule Medium Severity -
SRG-OS-000341-GPOS-00132
<GroupDescription></GroupDescription>Group -
IBM z/OS SMF collection files (system MANx data sets or LOGSTREAM DASD) must have storage capacity to store at least one weeks worth of audit data.
<VulnDiscussion>In order to ensure operating systems have a sufficient storage capacity in which to write the audit logs, operating systems n...Rule Medium Severity -
SRG-OS-000342-GPOS-00133
<GroupDescription></GroupDescription>Group -
IBM z/OS system administrators must develop an automated process to collect and retain SMF data.
<VulnDiscussion>Information stored in one location is vulnerable to accidental or incidental deletion or alteration. Off-loading is a common...Rule Medium Severity -
SRG-OS-000046-GPOS-00022
<GroupDescription></GroupDescription>Group -
IBM z/OS BUFUSEWARN in the SMFPRMxx must be properly set.
<VulnDiscussion>It is critical for the appropriate personnel to be aware if a system is at risk of failing to process audit logs as required....Rule Medium Severity -
SRG-OS-000047-GPOS-00023
<GroupDescription></GroupDescription>Group -
IBM z/OS NOBUFFS in SMFPRMxx must be properly set (Default is MSG).
<VulnDiscussion>It is critical that when the operating system is at risk of failing to process audit logs as required, it takes action to mit...Rule Medium Severity
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