Active directory user accounts, including administrators, must be configured to require the use of a Common Access Card (CAC), PIV-compliant hardware token, or Alternate Logon Token (ALT) for user authentication.

From Windows 2008 Domain Controller Security Technical Implementation Guide

Part of PKI Authentication Req

Associated with: CCI-000765 CCI-000766 CCI-000767 CCI-000768 CCI-001948

SV-28512r3_rule Active directory user accounts, including administrators, must be configured to require the use of a Common Access Card (CAC), PIV-compliant hardware token, or Alternate Logon Token (ALT) for user authentication.

Vulnerability discussion

Smart cards such as the Common Access Card (CAC) support a two-factor authentication technique. This provides a higher level of trust in the asserted identity than use of the username and password for authentication.

Check content

Verify active directory user accounts, including administrators, have "Smart card is required for interactive logon" selected. Open a Command Prompt. Enter the following (this is a single command line): "dsquery * -Filter "(&(objectCategory=person)(objectClass=user)(!userAccountControl:1.2.840.113556.1.4.803:=262144)(!userAccountControl:1.2.840.113556.1.4.803:=2))" -attr displayName name sn" If any user accounts are listed, this is a finding. Alternately: To view sample accounts in "Active Directory Users and Computers" (Available from various menus or run "dsa.msc"): Select the Organizational Unit (OU) where the User accounts are located. (By default this is the Users node; however, accounts may be under other organization-defined OUs.) Right click the sample User account and select "Properties". Select the "Account" tab. If any User accounts do not have "Smart card is required for interactive logon" checked in the "Account Options" area, this is a finding.

Fix text

Configure all user accounts, including administrator accounts, in Active Directory to enable the option "Smart card is required for interactive logon". Run "Active Directory Users and Computers" (Available from various menus or run "dsa.msc"): Select the Organizational Unit (OU) where the user accounts are located. (By default this is the Users node; however, accounts may be under other organization-defined OUs.) Right click the user account and select "Properties". Select the "Account" tab. Check "Smart card is required for interactive logon" in the "Account Options" area.

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