IBM z/OS TSS Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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SRG-OS-000066-GPOS-00034
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SRG-OS-000066-GPOS-00034
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SRG-OS-000104-GPOS-00051
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SRG-OS-000080-GPOS-00048
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CA-TSS Security control ACIDs must be limited to the administrative authorities authorized and that require these privileges to perform their job duties.
The use of security policy filters provides protection for the confidentiality of data by restricting the flow of data. A crucial part of any flow control solution is the ability to configure polic...Rule High Severity -
SRG-OS-000080-GPOS-00048
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SRG-OS-000001-GPOS-00001
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SRG-OS-000021-GPOS-00005
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SRG-OS-000021-GPOS-00005
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The CA-TSS NPPTHRESH Control Option must be properly set.
By limiting the number of failed logon attempts, the risk of unauthorized system access via user password guessing, otherwise known as brute-force attacks, is reduced. Limits are imposed by locking...Rule Medium Severity -
SRG-OS-000021-GPOS-00005
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SRG-OS-000057-GPOS-00027
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SRG-OS-000063-GPOS-00032
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SRG-OS-000067-GPOS-00035
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SRG-OS-000069-GPOS-00037
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The CA-TSS NEWPHRASE and PPSCHAR Control Options must be properly set.
Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, or strength, is a measure of the effectiveness of a password in resistin...Rule Medium Severity -
SRG-OS-000071-GPOS-00039
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The CA-TSS NEWPW control options must be properly set.
If the private key is stolen, this will lead to the compromise of the authentication and nonrepudiation gained through PKI because the attacker can use the private key to digitally sign documents a...Rule Medium Severity -
SRG-OS-000073-GPOS-00041
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IBM z/OS must use NIST FIPS-validated cryptography to protect passwords in the security database.
Passwords need to be protected at all times, and encryption is the standard method for protecting passwords. If passwords are not encrypted, they can be plainly read (i.e., clear text) and easily c...Rule High Severity
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