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.
- Encrypt emails, discover, label, and classify sensitive data, and help prevent business information from being accidentally or maliciously shared or lost.
- 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.
- Help employees securely access business apps wherever they work. Safeguard against password loss or theft with advanced multifactor authentication.
- Make remote work productive and secure with collaboration tools such as Microsoft Teams and Office, included in Microsoft 365 Business Premium.
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
Microsoft Security blog
Get the latest information about threats that are impacting businesses—and strategies to defend against them.
Defender for Business blog
Get news and updates on Defender for Business innovations.
Featured products
Safeguard your small or medium-sized business
Elevate your security
Get Defender for Business as a standalone or included in Microsoft 365 Business Premium.
Microsoft 365 Business Premium
Grow your business securely from anywhere with best-in-class apps, collaboration tools, and comprehensive cybersecurity. Copilot for Microsoft 365 is now available as an add-on.
Microsoft Defender for Business
Help protect against sophisticated ransomware attacks across devices with next-generation antivirus and enterprise-grade, AI-powered endpoint detection and response.
SECURITY SOLUTIONS
Small businesses deserve big security
Protect your business with enterprise-grade cybersecurity solutions designed for small and medium-sized organizations.
Customer stories
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Simplify your business with Microsoft 365 Business Premium, a comprehensive solution for cybersecurity and productivity.
- [1]IDC MarketScape: Worldwide Modern Endpoint Security for Small Businesses Vendor Assessment, 2024, Michael Suby, March 2024.
- [2]IDC MarketScape: Worldwide Modern Endpoint Security for Midsize Businesses Vendor Assessment, 2024, Michael Suby, February 2024.
- [3]IDC MarketScape: Worldwide Modern Endpoint Security for Enterprises Vendor Assessment, 2024, Michael Suby, January 2024.
- [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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