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Microsoft security help & learning

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Be safer with smart devices

Internet-connected doorbells, thermostats, voice-assistants, and other "IoT" devices can add a lot of fun and functionality to your home and business. But be sure to select and deploy them securely.

Learn how

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Explore security

A laptop showing a Windows 10 login screen.

Stay secure with Windows 10

Windows 10 makes it easier to stay secure with built-in protection using Microsoft Defender Antivirus.

Check out Windows Security

People at an airport checking their wireless devices.

Be safer over Wi-Fi

Most devices connect over Wi-Fi these days and that creates opportunities for attackers.

Learn to protect yourself

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Protect yourself from scams and attacks

Criminals are constantly trying to steal or trick you into revealing your personal information.

Learn to spot them

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Keep your PC up to date

Windows Update automatically installs the latest updates and security improvements.

Stay up to date

Make a big impact with Announcements

Add an extra layer of security with Personal Vault

Protect your most important files, like your passport, driver’s license, or insurance information with OneDrive Personal Vault.

Meet Personal Vault

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