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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.

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 ...

Microsoft Defender products and services
Explore the Microsoft Defender products and services available for your business or organization.

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

Enable and configure Microsoft Defender Antivirus always-on protection
Enable and configure Microsoft Defender Antivirus real-time protection features such as behavior monitoring, heuristics, and machine learning.

Microsoft Defender Antivirus in Windows Overview
Learn how to manage, configure, and use Microsoft Defender Antivirus, built-in anti-malware and antivirus protection.

Getting started with web protection in Microsoft Defender
Microsoft Defender's web protection helps protect you against malicious sites that are being used for phishing or spreading malware. Available on Windows, Android, and iOS.

Web protection - Microsoft Defender for Endpoint
Web protection in Microsoft Defender for Endpoint is a capability made up of Web threat protection, Web content filtering, and Custom indicators. Web protection lets you secure your devices against web threats and helps you regulate unwanted content. You can find Web protection reports in the Microsoft Defender portal by going to Reports > Web protection.

Installing Microsoft Defender | Microsoft Support
Microsoft Defender is a new security app that helps protect you and your family across all your devices; Windows, Android, Mac, and iOS.

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 ...

Windows security documentation | Microsoft Learn
Windows is designed with zero-trust principles at its core, offering powerful security from chip to cloud. As organizations embrace hybrid work environments, the need for robust security solutions becomes paramount. Windows integrates advanced hardware and software protection, ensuring data integrity and access control across devices. Learn about the different security features included in ...