Microsoft security help and learning
Get security info and tips about threat prevention, detection, and troubleshooting. Including tech support scams, phishing, and malware.
Stay Protected With the Windows Security App - Microsoft Support
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 …
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.
How to start a scan for viruses or malware in Microsoft Defender
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.
What's new in Windows Security - Microsoft Support
Stay safer with real-time notifications, security tips, and identity theft monitoring that help keep you ahead of hackers and scammers for your peace of mind.
Device Security in the Windows Security App - Microsoft Support
Learn how to access Windows device security settings in Windows Security to help protect your device from malicious software.
Stay protected on Windows 11 with smart security features
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 …
Automatically fix Windows security issues - Microsoft Support
Oct 14, 2025 · Follow these steps to automatically diagnose and repair Windows security problems by turning on UAC, DEP protection, Windows Firewall, and other Windows security …
Keep your computer secure at home - Microsoft Support
Keeping your computer secure helps you avoid malware and direct hacking attempts designed to steal your personal information. Here are some ways you can help reduce your online risk …
Windows Security App Settings - Microsoft Support
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 …
Firewall and Network Protection in the Windows Security App
It reduces the risk of network security threats by restricting or allowing traffic based on various properties such as IP addresses, ports, or program paths. You can use the Windows Security …