![]() The tool will then repair your computer.Download and install the repair tool here.Unless they use a smart card to sign in, users must simultaneously press the three keys before the sign-in dialog box is displayed.Updated May 2023: Stop getting error messages and slow down your system with our optimization tool. Countermeasureĭisable the Interactive logon: Do not require CTRL ALT DEL setting. The attacker would then be able to sign in to the compromised account with whatever level of privilege that user has. If this setting is enabled, an attacker could install malware that looks like the standard sign-in dialog box in the Windows operating system, and capture the user's password. If CTRL ALT DEL is required before signing in, user passwords are communicated through a trusted path. However, if users aren't required to press CTRL ALT DEL, they're susceptible to attacks that attempt to intercept their passwords. This setting makes it easier for users with certain types of physical impairments to sign in to devices that run the Windows operating system. This section describes how an attacker might exploit a feature or its configuration, how to implement the countermeasure, and the possible negative consequences of countermeasure implementation. If this policy isn't contained in a distributed GPO, this policy can be configured on the local computer by using the Local Security Policy snap-in. This policy setting can be configured by using the Group Policy Management Console (GPMC) to be distributed through Group Policy Objects (GPOs). Policy conflict considerationsīeginning with Windows Server 2008 and Windows Vista, the CTRL ALT DELETE key combination is required to authenticate if this policy is disabled. Changes to this policy become effective without a device restart when they're saved locally or distributed through Group Policy. This section describes features and tools that are available to help you manage this policy. Server type or GPOĬlient Computer Effective Default Settings Default values are also listed on the policy’s property page. The following table lists the actual and effective default values for this policy. We recommend that you set Disable CTRL ALT DEL requirement for logon to Not configured.Ĭomputer Configuration\Windows Settings\Security Settings\Local Policies\Security Options Default values.To revert the changes made by this policy, it is not enough to set its value to Not defined, this registry value needs to be removed as well. When the policy is defined, registry value DisableCAD located in HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System is created. The attacker can then sign in to the compromised account with whatever level of user rights that user has. Requiring CTRL ALT DELETE before users sign in ensures that users are communicating through a trusted path when entering their passwords.Ī malicious user might install malware that looks like the standard sign-in dialog box for the Windows operating system, and capture a user's password. Microsoft developed this feature to make it easier for users with certain types of physical impairments to sign in to a device running the Windows operating system however, not having to press the CTRL ALT DELETE key combination leaves users susceptible to attacks that attempt to intercept their passwords. ![]() If this policy is disabled, any user is required to press CTRL ALT DEL before logging on to the Windows operating system (unless they're using a smart card for signing in). If this policy setting is enabled on a device, a user isn't required to press CTRL ALT DEL to sign in. This security setting determines whether pressing CTRL ALT DEL is required before a user can sign in. Describes the best practices, location, values, and security considerations for the Interactive logon: Do not require CTRL ALT DEL security policy setting.
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