Enable Press Ctrl+Alt+Del Secure Logon On Windows 7 or Vista

In Windows NT, Windows Server 2003 and Windows Server 2008, including its R2 variants, users have to press Ctrl + Alt + Del keys simultaneously and concurrently in order to gain access to logon screen securely. The mechanism is introduced as a security measure, which reduces the risk to attacks that attempt to intercept the users’ passwords. Requiring the action to press Ctrl +Alt +Del before users log on ensures that users are communicating by means of a trusted path when entering their passwords.

Windows 7 and Windows Vista does not require user to press Ctrl + Alt + Del keyboard combination before booting up or reaching welcome screen or logon screen. For users who want to implement the security setting that requires user to press Ctrl + Alt + Del shortcut combination to logon, just follow the trick below.

Method 1: Via Registry Setting

1. Run Registry Editor (RegEdit).
2. Navigate to the following registry key:

   HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\System

3. In the right pane, double click on DisableCAD registry key value, and set its value data to 0.

   

Method 2: Via Group Policy

1. Click on Start button, and type secpol.msc into Start Search box, and hit Enter to open the Local Security Policy Editor.
2. Navigate to Security Settings -> Local Policies -> Security Options.
3. In the right pane, double click on Interactive logon: Do not require CTRL+ALT+DEL.
4. Select and set the radio button of Disabled.

   

5. Click Apply or OK.

Method 3: Via User Accounts Advanced Settings

1. Click on Start button, and type netplwiz into Start Search box, and hit Enter to open the User Accounts dialog box.
2. Go to Advanced tab.
3. Under “Secure logon” section, select and check the checkbox for Require users to press Ctrl+Alt+Delete option.

   

4. Click Apply or OK.

Once enabled and turned on, Windows 7, Windows Vista and other version of Windows OS will prompt user to press CTRL+ALT+DEL in order to bring up the credential dialog box so that user can type in user name and password to login.

Note: Local Security Policy Editor, like Local Group Policy Editor, is only available for premium editions of Windows 7 and Vista.

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This entry was posted on Thursday, January 28th, 2010 at 3:10 pm and is filed under Operating Systems. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.