how to enable ctrl+alt+del logon in windows 7

The Ctrl+Alt+Del key sequence is reserved by Windows and cannot be trapped by any application. In general, it is not very hard to write a malicious program or a shell that looks and feels like Windows and captures your typed key sequences, in this case your login name and password.

By Windows asking users to press the Ctrl+Alt+Del key combination before entering their passwords, users know that the password screen really belongs to Windows. The Ctrl+Alt+Delete key combination is the only one that Windows assures it cannot be intercepted by any other application. In other words, the main reason for the Control-Alt-Delete process to exist is to provide some measure of confidence when entering a password at the login screen. The purpose of the Ctrl-Alt-Delete Windows logon screen, also called interactive logon, is to provide a trusted path for entering a password. The Ctrl-Alt-Delete Windows logon screen was an attempt at dealing with certain types of attacks. One unofficial story is that the Ctrl-Alt-Delete logon screen was implemented as an outcome of one hacker who hacked into some Windows and later argued that he was not accessing it illegally (or 'hacking' into it) because the logon screen said 'Welcome.' Well, while this is only a story, using the Ctrl+Alt+Delete screen does have some practical implications. Why to use Ctrl+Alt+Del on the Windows logon screen? Here is how to turn the Ctrl+Alt+Del Windows Logon screen on, especially as it relates to Windows Vista. If we got used to the Ctrl+Alt+Del combination on our jobs, why not keep using this habit also at home, or better said, why to use different process at home. From the corporate perspective, the Ctrl+Alt+Del logon process is supposed to provide higher security when logging in. Most corporate computers are set up in a way that you have to use the Ctrl+Alt+Delete combination to log into the system.

How to enable ctrl+alt+del logon in windows 7