4.4: Use Unique Passwords

Where multi-factor authentication is not supported (such as local administrator, root, or service accounts), accounts will use passwords that are unique to that system.

Asset Type

Security Function

Implementation Groups

Users

Protect

2, 3

Dependencies

  • None

Inputs

  1. Password policy that includes requirement for unique passwords

Operations

  1. Verify that a password policy was provided and set M1 accordingly.

  2. (Optional) Manually review the provided password policy. Determine if it includes a valid requirement for unique passwords and set M2 accordingly.

Measures

  • M1 = Boolean value indicating whether a password policy was provided; 1 if policy provided, 0 if not

  • M2 = (From optional manual review) Binary value indicating whether the provided password policy includes a valid requirement for unique passwords; 1 if unique passwords required, 0 if not

Metrics

Password Policy Existence

Metric

This metric indicates the existence of a password policy for the organization

Calculation

M1 == 1

Policy Review

(Optional Manual Review) Pass if the organization’s password policy includes a unique password requirement.