The Mainframe Product must prohibit password reuse for a minimum of five generations.

From Mainframe Product Security Requirements Guide

Associated with: CCI-000200

SV-82883r1_rule The Mainframe Product must prohibit password reuse for a minimum of five generations.

Vulnerability discussion

Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute-force attacks. To meet password policy requirements, passwords need to be changed at specific policy-based intervals. If the information system or application allows the user to consecutively reuse their password when that password has exceeded its defined lifetime, the end result is a password that is not changed per policy requirements.

Check content

If the Mainframe Product employs an external security manager for all account management functions, this is not applicable. Examine user account management configurations. If the Mainframe Product account management configuration does not prohibit password reuse for a minimum of five generations, this is a finding.

Fix text

Configure the Mainframe Product account management to prohibit password reuse for a minimum of five generations.

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