Explore the latest in AI-powered cybersecurity capabilities announced at Microsoft Secure. Watch on demand > Read the announcement >
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.
Why Microsoft Security
Run your business securely with Microsoft 365 Business Premium
- Help secure your email and collaboration tools with antiphishing intelligence and safeguard your devices from ransomware with endpoint protection across Windows, macOS, Android, and iOS.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
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.
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.
Trends and tips
Ten easy ways to help secure your data and protect your devices.
Featured products
Safeguard your small or medium-sized business
End-to-end security for your business
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
Explore how Microsoft helps businesses stay secure
Get started
Choose your plan
Simplify your business with one comprehensive solution for cybersecurity and productivity when you try Microsoft 365 Business Premium.
Follow Microsoft