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.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-15488	WN12-PK-000008-DC	SV-51192r4_rule		Medium

Description
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.

STIG	Date
Windows Server 2012 / 2012 R2 Domain Controller Security Technical Implementation Guide	2016-12-19

Details

Check Text ( C-66223r3_chk )
Verify active directory user accounts, including administrators, have "Smart card is required for interactive logon" selected. Run "PowerShell". Enter the following: "Get-ADUser -Filter {(Enabled -eq $True) -and (SmartcardLogonRequired -eq $False)} \| FT Name" ("DistinguishedName" may be substituted for "Name" for more detailed output.) 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.

Check Text ( C-66223r3_chk )

Verify active directory user accounts, including administrators, have "Smart card is required for interactive logon" selected.

Run "PowerShell".
Enter the following:
"Get-ADUser -Filter {(Enabled -eq $True) -and (SmartcardLogonRequired -eq $False)} | FT Name"
("DistinguishedName" may be substituted for "Name" for more detailed output.)
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 (F-71587r2_fix)
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.

Fix Text (F-71587r2_fix)

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.