An easy-to-use security app for individuals and families that helps protect personal data and devices from online threats.

Everyday online security with Microsoft Defender

Available exclusively with a Microsoft 365 Personal or Family subscription.

Online security, simplified

Simplify your online protection

Simplify your online security with one easy-to-use app that helps keep you one step ahead of hackers and scammers.

Safeguard your devices

Get trusted antivirus protection for you and your family.

Stay ahead of hackers and scammers

Get timely multidevice alerts with recommended actions plus security tips about how to stay safer online.

Defend against malicious cyberthreats

Explore Microsoft Defender products for enterprises

Boost creativity and streamline your workday with AI assistance in even more Microsoft 365 apps.

Microsoft Defender XDR (formerly Microsoft 365 Defender)

Get unrivaled threat intelligence and automated attack disruption of the most sophisticated attacks with a unified extended detection and response (XDR) solution

Microsoft Defender for Cloud

Find weak spots across your cloud configuration, strengthen the overall security posture of your environment, and protect workloads across multicloud and hybrid environments from evolving threats with XDR capabilities.

Microsoft Defender for Business

Increase security with enterprise-grade endpoint protection for small and medium-sized businesses that's cost effective and easy to use.

Microsoft Defender for individuals

Get online security protection for individuals and families with one easy-to-use app
Make your future more secure. Explore your security options today.

Protect everything

Manage your online security in one place

  • Check the security status of your family’s devices.
  • Get timely alerts and notifications across your devices.
  • Take recommended actions to improve your online security.
  • Receive quick security tips to be safer online.
  • View alerts and device activity history from the past 30 days.
  • See the status of other antivirus protections you may be using, such as Norton or McAfee.
  • Easily access your dashboard in the app or a web browser.

Experience trusted device protection for you and your family

  • Protect your devices against new and existing threats with continuous antivirus and anti-phishing scans.
  • Get alerted if malicious apps are found and take steps to uninstall and remove the threats.
  • Receive notifications across your devices when a security risk is identified.
  • Specify apps and files you use regularly and don’t want Microsoft Defender to scan.
Get advanced online protection plus secure cloud storage and innovative apps designed to fit your needs all in one plan.

Subscribe to Microsoft 365 to get started with Defender for individuals

Microsoft 365 Personal
489*
/month
Antivirus and antiphishing protection for 1 person, up to 5 devices at the same time
Continuous monitoring for device threats
Multidevice alerts
Security tips and recommendations
1 TB (1,000 GB) of cloud storage
Premium desktop, web, and mobile versions of Word, Excel, PowerPoint, OneNote, and more apps
Ad-free Outlook.com, desktop, and mobile app email and calendar with advanced security features
OneDrive advanced file and photo protection
Microsoft technical support
Microsoft 365 Family
619*
/month
Antivirus and antiphishing protection for 1 person, up to 5 devices at the same time
Continuous monitoring for device threats
Multidevice alerts
Security tips and recommendations
Up to 6 TB of cloud storage (1 TB / person)
Premium desktop, web, and mobile versions of Word, Excel, PowerPoint, OneNote, and more apps
Ad-free Outlook.com, desktop, and mobile app email and calendar with advanced security features
OneDrive advanced file and photo protection
Microsoft technical support
Microsoft Defender is available for download with a Microsoft 365 Personal or Family subscription

Microsoft 365 Personal and Family subscribers can get started now

Download for Windows →

Download for Android →

Download for iOS →

Download for macOS →

Download for web →

Looking for security for your business?

Get Microsoft Defender for Business, enterprise-grade endpoint security, as a standalone solution or as part of Microsoft 365 Business Premium, our comprehensive security and productivity suite.