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

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

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.

On this page you can see a summary of the security providers that are looking after your device. In the Windows Security app on your PC, select Settings > Manage providers, or use the following link: …

Microsoft Defender helps easily manage your online security in one centralized view, with industry-leading cybersecurity for you, your family, and your devices.

Microsoft security help and learning. If you suspect that your device may have malware you should have Microsoft Defender run a scan. Here's how to do that on Windows, Mac, or Android.

Going passwordless is the next generation of sign-in security - it's simple, fast, secure. To help enhance security, passwordless login options such as Windows Hello and Passkeys provide a faster, easier, …

With features like Microsoft Defender Antivirus, Windows Firewall, and Smart App Control, you can easily access and configure robust security settings. Built into Windows, this app ensures your …

Keep Windows updated - Periodically, Microsoft releases special security updates that can help protect your PC. These updates can help prevent viruses and other malware attacks by closing possible …

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.

Learn how to use encryption and other security settings to protect messages sent from Outlook.