III - Administrative Classified
Rules and Groups employed by this XCCDF Profile
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SRG-OS-000063-GPOS-00032
<GroupDescription></GroupDescription>Group -
IBM z/OS SYS1.PARMLIB must be properly protected.
<VulnDiscussion>Without the capability to restrict which roles and individuals can select which events are audited, unauthorized personnel ma...Rule High Severity -
SRG-OS-000067-GPOS-00035
<GroupDescription></GroupDescription>Group -
IBM z/OS for PKI-based authentication must use ICSF or the ESM to store keys.
<VulnDiscussion>If the private key is discovered, an attacker can use the key to authenticate as an authorized user and gain access to the ne...Rule Medium Severity -
SRG-OS-000069-GPOS-00037
<GroupDescription></GroupDescription>Group -
The CA-TSS NEWPHRASE and PPSCHAR Control Options must be properly set.
<VulnDiscussion>Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, ...Rule Medium Severity -
SRG-OS-000071-GPOS-00039
<GroupDescription></GroupDescription>Group -
The CA-TSS NEWPW control options must be properly set.
<VulnDiscussion>If the private key is stolen, this will lead to the compromise of the authentication and non-repudiation gained through PKI b...Rule Medium Severity -
SRG-OS-000073-GPOS-00041
<GroupDescription></GroupDescription>Group -
IBM z/OS must use NIST FIPS-validated cryptography to protect passwords in the security database.
<VulnDiscussion>Passwords need to be protected at all times, and encryption is the standard method for protecting passwords. If passwords are...Rule High Severity -
SRG-OS-000076-GPOS-00044
<GroupDescription></GroupDescription>Group -
The CA-TSS PWEXP Control Option must be set to 60.
<VulnDiscussion>Any password, no matter how complex, can eventually be cracked. Therefore, passwords need to be changed periodically. If the ...Rule Medium Severity -
SRG-OS-000076-GPOS-00044
<GroupDescription></GroupDescription>Group -
The CA-TSS PPEXP Control Option must be properly set.
<VulnDiscussion>Any password, no matter how complex, can eventually be cracked. Therefore, passwords need to be changed periodically. If the ...Rule Medium Severity -
SRG-OS-000077-GPOS-00045
<GroupDescription></GroupDescription>Group -
The CA-TSS PWHIST Control Option must be set to 10 or greater.
<VulnDiscussion>Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute...Rule Medium Severity -
SRG-OS-000077-GPOS-00045
<GroupDescription></GroupDescription>Group -
The CA-TSS PPHIST Control Option must be properly set.
<VulnDiscussion>Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute...Rule Medium Severity -
SRG-OS-000078-GPOS-00046
<GroupDescription></GroupDescription>Group -
The IBM z/OS operating system must enforce a minimum eight-character password length.
<VulnDiscussion>The shorter the password, the lower the number of possible combinations that need to be tested before the password is comprom...Rule Medium Severity
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