Local Security Authority (LSA) protection is an important feature that helps protect the security of your Windows 11 operating system. LSA provides security services for authentication and authorization of users, processes, and system services, and if it is not properly protected, it can be exploited by attackers to gain unauthorized access to your system.

In this tutorial, we will guide you on how to enable Local Security Authority (LSA) protection in Windows 11, which will help enhance the security of your operating system.

Step 1: Open Local Group Policy Editor

To enable LSA protection, you need to open the Local Group Policy Editor in Windows 11. You can do this by searching for it in the Start menu or by pressing the Windows key + R and typing “gpedit.msc” in the Run dialog box.

Step 2: Navigate to the Security Options section

Once the Local Group Policy Editor is open, navigate to the Security Options section by following this path:

Local Computer Policy > Computer Configuration > Windows Settings > Security Settings > Local Policies > Security Options

Step 3: Enable LSA Protection

In the Security Options section, look for the “MSS: (EnableLUA)” option and double-click on it to open its properties.

Now, select the “Enabled” option and click on the “Apply” button. This will enable LSA protection in your Windows 11 operating system.

Step 4: Verify LSA Protection

After enabling LSA protection, it is important to verify that it is working properly. To do this, you can perform a simple test to see if LSA protection is triggered when an unauthorized user or process tries to access sensitive information.

To perform the test, try to open a Local Security Authority Subsystem Service (LSASS) process by running the “Task Manager” utility as an administrator. If LSA protection is working properly, you should receive an “Access Denied” error message.

Conclusion

Enabling Local Security Authority (LSA) protection is an important step in increasing the security of your Windows 11 operating system. It provides an additional layer of protection against attacks by unauthorized users or processes. By following the steps outlined above, you can easily enable LSA protection in your Windows 11 system and keep your data and system secure.