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Meet Microsoft Defender

Microsoft Defender is the simple way to protect your digital life and all of your devices - Windows, Mac, iOS, or Android - so you and your family can have more peace of mind. Now available for Microsoft 365 Family or Personal subscribers.

Get started

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Explore security

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Stay secure with Windows

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

Check out Windows Security

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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

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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