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Ctrl+Alt+Del security attention sequence is Disabled.


Overview

Finding ID Version Rule ID IA Controls Severity
V-1154 3.032 SV-29015r1_rule Medium
Description
Disabling the Ctrl+Alt+Del security attention sequence can compromise system security. Because only Windows responds to the Ctrl+Alt+Del security sequence, you can be assured that any passwords you enter following that sequence are sent only to Windows. If you eliminate the sequence requirement, malicious programs can request and receive your Windows password. Disabling this sequence also suppresses a custom logon banner.
STIG Date
Windows Vista Security Technical Implementation Guide 2017-01-30

Details

Check Text ( C-88r1_chk )
Analyze the system using the Security Configuration and Analysis snap-in.
Expand the Security Configuration and Analysis tree view.
Navigate to Local Policies -> Security Options.

If the value for “Interactive Logon: Do not require CTRL+ALT+DEL” is not set to “Disabled”, then this is a finding.

The policy referenced configures the following registry value:

Registry Hive: HKEY_LOCAL_MACHINE
Registry Path: \Software\Microsoft\Windows\CurrentVersion\Policies\System\

Value Name: DisableCAD

Value Type: REG_DWORD
Value: 0
Fix Text (F-92r1_fix)
Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> Security Options -> “Interactive Logon: Do not require CTRL ALT DEL” to “Disabled”.