Security help
Browse categories
- Protect your Windows devices against Spectre and Meltdown
- Tech support scams: Trends and techniques
- Phishers unleash simple but effective social engineering techniques using PDF attachments
- WannaCrypt ransomware worm targets out-of-date systems
- Ransomware: A declining nuisance or an evolving menace?
- Virus & threat protection in Windows Defender Security Center
- Track your device and performance health in Windows Defender
- Firewall & network protection in Windows Defender Security Center
- App and browser control in Windows Defender Security Center
- Help protect your family online in Windows Defender
