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IBM z/OS must use NIST FIPS-validated cryptography to protect passwords in the security database.

Overview

Finding IDVersionRule IDIA ControlsSeverity
V-223887TSS0-ES-000140SV-223887r998488_ruleCCI-004062high
Description
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 compromised. Satisfies: SRG-OS-000073-GPOS-00041, SRG-OS-000074-GPOS-00042
STIGDate
IBM z/OS TSS Security Technical Implementation Guide2026-06-15

Related Frameworks

2 mappings across 4 frameworks
SCF0 mappings

No source states a mapping between these directly.

Also reachable in 3 hops (3) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

IAC-10Authenticator Management
0.50
IAC-10.1Password-Based Authentication
0.50
IAC-10.4Automated Support For Password Strength
0.50
NIST 800-530 mappings

No source states a mapping between these directly.

Also reachable in 2 hops (72) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

AC-10Concurrent Session Control
1.00
AC-17(1)Monitoring and Control
1.00
AC-17(10)Authenticate Remote Commands
1.00
AC-17(2)Protection of Confidentiality and Integrity Using Encryption
1.00
AC-2(1)Automated System Account Management
1.00
AC-2(10)Shared and Group Account Credential Change
1.00
AC-2(11)Usage Conditions
1.00
AC-2(2)Automated Temporary and Emergency Account Management
1.00
AC-2(3)Disable Accounts
1.00
AC-2(4)Automated Audit Actions
1.00

+62 more (top 10 by confidence shown)

NIST 800-1710 mappings

No source states a mapping between these directly.

Also reachable in 3 hops (4) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

3.5.10
1.00
3.5.7
1.00
3.5.8
1.00
3.5.9
1.00
CCI2 mappings
CCI-000197
1.00
CCI-004062
1.00

Details

Check Text (C-223887r998488_chk)

From the ISPF command shell line enter: TSS MODIFY(STATUS) If either of the following is included, this is not a finding. AES_ENCRYPTION(Active,128) AES_ENCRYPTION(Active,256)

Fix Text (F-25548r516061_fix)

Evaluate the impact associated with implementation of the control option. Develop a plan of action to implement the control option as specified below: Convert passwords/password phrases from Triple-DES encryption to 128-bit AES or 256-bit encryption by running TSSMAINT (with the AESENCRYPT option specified) and then running TSSXTEND to copy the old security file to the new security file. Please consult CA-TSS Installation guide for more information.