IBM z/OS TSS Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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The CA-TSS NPPTHRESH Control Option must be properly set.
<VulnDiscussion>By limiting the number of failed logon attempts, the risk of unauthorized system access via user password guessing, otherwise...Rule Medium Severity -
SRG-OS-000021-GPOS-00005
<GroupDescription></GroupDescription>Group -
The CA-TSS PTHRESH Control Option must be set to 2.
<VulnDiscussion>By limiting the number of failed logon attempts, the risk of unauthorized system access via user password guessing, otherwise...Rule Medium Severity -
SRG-OS-000021-GPOS-00005
<GroupDescription></GroupDescription>Group -
The CA-TSS NPPTHRESH Control Option must be properly set.
<VulnDiscussion>By limiting the number of failed logon attempts, the risk of unauthorized system access via user password guessing, otherwise...Rule Medium Severity -
SRG-OS-000057-GPOS-00027
<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
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