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Stay protected with the Windows Security app - Microsoft Support
Summary The Windows Security app is a comprehensive security solution integrated into Windows, designed to protect your device and data from various threats. It includes features such as Microsoft Defender Antivirus, Windows Firewall, and Smart App Control, which work together to provide real-time protection against viruses, malware, and other security threats. The app is built into Windows ...

Virus and Threat Protection in the Windows Security App
Learn how to use virus and threat protection options in Windows Security to scan your device for threats and view the results.

Protection History - Microsoft Support
Note: Protection History only retains events for two weeks, after which they'll disappear from this page. Events are shown as a series of cards in the protection history. If a card needs your attention you will see one of two colored badges on the card's icon. Red - This is a serious item that requires immediate attention.

Getting started with Microsoft Defender
Microsoft Defender is a security app that helps people and families stay safer online with malware protection, web protection, real-time security notifications, and security tips. Microsoft Defender is included in a Microsoft 365 Family or Personal subscription and works on your phone (Android or iOS), PC, and Mac.

Firewall and Network Protection in the Windows Security App
Here's a list of additional settings available in the firewall and network protection page: Allow an app through firewall : If the firewall is blocking an app you need, you can add an exception for that app, or open a specific port.

Stay protected on Windows 11 with smart security features
Enhanced Phishing Protection Enhanced Phishing Protection in Windows 11 helps prevent phishing attacks across all browsers and apps. It actively monitors password entry and helps to keep you from falling into traps set by hackers. Imagine the security of knowing that your passwords are monitored in real-time, helping protect you from phishing ...

Protect my PC from viruses - Microsoft Support
Learn how to protect your Windows devices and personal data from viruses, malware, or malicious attacks.

Microsoft security help and learning
Get security info and tips about threat prevention, detection, and troubleshooting. Including tech support scams, phishing, and malware.

Keep your computer secure at home | Microsoft Support
Get tips to help protect your home computer from scams, malware, viruses, and other online threats that might try steal your personal information.

Windows Security App Settings - Microsoft Support
The settings page of the Windows Security app allows you to configure security providers, notifications, and determine the version of the app. The page is divided into the following sections: Security providers: Use this page to manage the apps and services that protect your device Notifications: In this page you can configure the notifications you receive from the Windows Security app In the ...

Automatically fix Windows security issues - Microsoft Support
Follow these steps to automatically diagnose and repair Windows security problems by turning on UAC, DEP protection, Windows Firewall, and other Windows security options and features. Select the Download button on this page. In the File Download dialog box, click Run or Open, and then follow the steps in the Windows Security Troubleshooter.