Windows 11 has built-in protection to keep your computer safe from viruses and harmful software. Your device uses security software to defend itself. This might be Microsoft Defender (which comes free with Windows) or another security program you installed yourself.
This guide shows you how to check which security software is protecting your device right now. You’ll look inside the Windows Security app to find out.
What Are Security Providers?
Security providers are programs that protect your PC. Here’s what they do:
- Antivirus — stops viruses and malware from harming your files
- Firewall — blocks people from accessing your computer without permission
- Web Protection — keeps you safe while you browse the internet
If you don’t have a third-party antivirus program (one you installed yourself), Microsoft Defender will protect you automatically.
How to Check Your Security Providers in Windows 11
Follow these simple steps to find out which security software is running on your device:
Step 1: Open the Windows Security App
- Click the Start menu (the Windows icon at the bottom-left of your screen)
- Type
Windows Securityin the search box - Click Windows Security when you see it in the results

Step 2: Go to Settings
In the Windows Security app, look at the bottom left side of the page. You’ll see a Settings icon. Click on it.

Step 3: Find Your Security Providers
On the Settings page, find the section called “Security providers.” Click the link that says Manage providers.

Step 4: View Your Providers
Now you’ll see a list showing which programs protect your PC. The list includes:
- Antivirus
- Firewall
- Web Protection
If you don’t have another security program installed, Microsoft Defender will be listed as your provider for all three.

Summary
The Security Providers page in Windows Security shows what programs are protecting your PC. To open it, start the Windows Security app, click Settings, then click Manage providers. You’ll see your antivirus, firewall, and web protection providers listed. By default, Microsoft Defender covers all three if you don’t have other security software installed. Knowing this helps you understand how your Windows 11 PC stays safe from threats.





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