The operating system must prohibit password reuse for a minimum of five generations.

From General Purpose Operating System SRG

Associated with: CCI-000200

SV-70965r1_rule The operating system 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. 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 as per policy requirements.

Check content

Verify the operating system prohibits password reuse for a minimum of five generations. If it does not, this is a finding.

Fix text

Configure the operating system to prohibit password reuse for a minimum of five generations.

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