How to Turn on Local Security Authority Protection in Windows 11

how to turn on local security authority protection windows 11

Turning on Local Security Authority (LSA) protection in Windows 11 enhances your computer’s defense against malware and unauthorized access. This task involves a few simple steps that you can follow in the Windows Security app. By the end of this guide, you’ll have a better understanding of how to enable this important feature and keep your PC more secure.

How to Turn on Local Security Authority Protection in Windows 11

Enabling Local Security Authority (LSA) protection in Windows 11 will bolster your system’s security by safeguarding sensitive system components from unauthorized changes.

Step 1: Open Windows Security

First, you need to access the Windows Security app.

You can do this by clicking the Start button and typing in "Windows Security" in the search bar. Click on the Windows Security app to open it.

Step 2: Navigate to Device Security

Once you have Windows Security open, you need to find the Device Security section.

In the Windows Security app, look on the left-hand menu and click on "Device Security." This will take you to the area where you can manage advanced security settings.

Step 3: Click on Core Isolation Details

Next, you will be looking for the Core Isolation section.

Under Device Security, find the Core Isolation section and click on "Core isolation details." This section contains settings for memory integrity and other security features.

Step 4: Enable Local Security Authority Protection

Turn on the LSA protection toggle.

Here, you will see a toggle switch for Local Security Authority protection. Turn this toggle to the "On" position to enable the feature.

Step 5: Restart Your Computer

Finally, you need to restart your computer to apply the changes.

After turning on the LSA protection, Windows will prompt you to restart your computer. Save any open work and click "Restart now" to complete the process.

Once you’ve followed these steps, your Windows 11 device will have enhanced security features enabled, making it harder for malicious software or hackers to gain unauthorized access.

Tips for Turning on Local Security Authority Protection in Windows 11

  • Make sure your Windows 11 system is up to date before enabling LSA protection. This ensures you have the latest security patches.
  • Regularly check the Device Security section to ensure that LSA protection remains enabled.
  • Pair LSA protection with other security measures, like strong passwords and two-factor authentication, for maximum protection.
  • Be cautious with software that requires deep system access, as it might conflict with LSA protection.
  • If you experience issues after enabling LSA protection, consider checking for driver updates or compatibility issues.

Frequently Asked Questions

What is Local Security Authority (LSA) protection?

LSA protection is a security feature in Windows that helps prevent unauthorized changes to critical system components.

Do I need to restart my computer after enabling LSA protection?

Yes, a restart is required to apply the changes and fully enable LSA protection.

Can I turn off LSA protection if I encounter issues?

Yes, you can turn it off by following the same steps and toggling the switch to "Off."

Will LSA protection affect my system’s performance?

In most cases, LSA protection should not significantly impact system performance.

Is LSA protection available on all Windows 11 editions?

Yes, LSA protection is available on all editions of Windows 11 that support the necessary security features.


  1. Open Windows Security
  2. Navigate to Device Security
  3. Click on Core Isolation Details
  4. Enable Local Security Authority Protection
  5. Restart Your Computer


Turning on Local Security Authority protection in Windows 11 is a straightforward process that significantly enhances your computer’s security. By following the simple steps outlined above, you can protect your system from unauthorized changes and malicious software.

Keeping your system updated, regularly reviewing security settings, and combining LSA protection with other security measures will ensure your Windows 11 device remains secure. For further reading, explore Windows 11 security features and stay informed about new updates and best practices.

So, why wait? Follow the steps above and enable LSA protection on your Windows 11 device today to enjoy a more secure computing experience.

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