Microsoft Security

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About Microsoft Security

Protect your data, apps, and infrastructure against rapidly evolving cyberthreats with cloud security services from Microsoft Security.



New to Microsoft 365 Defender? Head over to the Microsoft 365 Defender interactive guide for a hands-on tour.

Visit the new Microsoft Adoption Demos page to view a wide range of Microsoft 365 demos.

Microsoft Security training & resources

Microsoft Security learning paths (Microsoft Learn)

Latest news from the Microsoft Security blog

Noteworthy in Microsoft Security


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