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V-224825

CAT II (Medium)

Shared user accounts must not be permitted on the system.

Rule ID

SV-224825r958482_rule

STIG

Microsoft Windows Server 2016 Security Technical Implementation Guide

Version

V2R10

CCIs

CCI-000764

Discussion

Shared accounts (accounts where two or more people log on with the same user identification) do not provide adequate identification and authentication. There is no way to provide for nonrepudiation or individual accountability for system access and resource usage.

Check Content

Determine whether any shared accounts exist. If no shared accounts exist, this is NA.

Shared accounts, such as required by an application, may be approved by the organization.  This must be documented with the ISSO. Documentation must include the reason for the account, who has access to the account, and how the risk of using the shared account is mitigated to include monitoring account activity.

If unapproved shared accounts exist, this is a finding.

Fix Text

Remove unapproved shared accounts from the system.

Document required shared accounts with the ISSO. Documentation must include the reason for the account, who has access to the account, and how the risk of using the shared account is mitigated to include monitoring account activity.