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Microsoft Security
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Microsoft Security for business  

Comprehensive cybersecurity for your business

Run your business securely with AI-powered, enterprise-grade cybersecurity and productivity tools designed for businesses with 1-300 employees.
Featured capabilities

Run your business securely with Microsoft 365 Business Premium  

  • Protect against phishing and ransomware with comprehensive, multiplatform security for your email, collaboration apps, and endpoints.
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  • Encrypt emails, discover, label, and classify sensitive data, and help prevent business information from being accidentally or maliciously shared or lost.
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  • Apply security policies to help protect work data on company-owned and employee devices. Keep company data within approved apps and remove business data from lost or stolen devices.
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  • Help employees securely access business apps wherever they work. Safeguard against password loss or theft with advanced multifactor authentication. 
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  • Make remote work productive and secure with collaboration tools such as Microsoft Teams and Office, included in Microsoft 365 Business Premium.  
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What’s new

Get the latest from Microsoft Security 

Simplify your Zero Trust strategy

Defend your business against increasingly sophisticated cyberattacks with new solutions for security operations, identity, and network access.

A Leader in Modern Endpoint Security for Midsize and Small Businesses

Learn why Microsoft was the only vendor positioned in the Leaders category across three IDC MarketScapes for Worldwide Modern Endpoint Security 2024 for Enterprises, Midsize, and Small Businesses.1,2,3
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IDC ranked Microsoft number one for market share in corporate endpoint security

Learn why more businesses are entrusting their corporate endpoint security to Microsoft than any other vendor.4
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Microsoft Security blog

Get the latest information about threats that are impacting businesses—and strategies to defend against them.

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Defender for Business blog

Get news and updates on Defender for Business innovations.

SECURITY SOLUTIONS

Small businesses deserve big security

Protect your business with enterprise-grade cybersecurity solutions designed for small and medium-sized organizations.

See how Microsoft 365 Business Premium provides end-to-end security.

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Customer stories

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Simplify your business with Microsoft 365 Business Premium, a comprehensive solution for cybersecurity and productivity.
  1. [1]
    IDC MarketScape: Worldwide Modern Endpoint Security for Small Businesses Vendor Assessment, 2024, Michael Suby, March 2024.
  2. [2]
    IDC MarketScape: Worldwide Modern Endpoint Security for Midsize Businesses Vendor Assessment, 2024, Michael Suby, February 2024.
  3. [3]
    IDC MarketScape: Worldwide Modern Endpoint Security for Enterprises Vendor Assessment, 2024, Michael Suby, January 2024.
  4. [4]
    IDC Marketshare: Worldwide Corporate Endpoint Security Market Shares, 2022: Pace of Growth Accelerated Through 2022, IDC, Michael Suby, June 2023.

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