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Microsoft Security
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Microsoft Security for business

Comprehensive cybersecurity for your small business

Run your business securely with AI-powered, enterprise-grade cybersecurity and productivity tools designed for businesses with up to 300 employees.
See plans and pricing
WHY MICROSOFT SECURITY

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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  • Applies security policies to help protect work data on company-owned and employee devices. Reduces vulnerabilities by keeping devices up to date. Maintains company data within approved apps and removes 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 more productive and secure with collaboration tools such as Microsoft Teams and Office, included in Microsoft 365 Business Premium.
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  • Set up protection fast with easy access to onboarding support. Connect with a security specialist or explore documentation, tutorials, and community resources to get started quickly.
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Plans and pricing

Discover the right security plan for your small or medium-sized business

Get comprehensive security from a unified solution or select from standalone products.

Microsoft 365 Business Premium

$22.00
user/month, paid yearly
(Annual subscription–auto renews) 1
Try free for 30 days Buy it now
See trial terms2
Grow your business with productivity apps and comprehensive security designed for up to 300 users.
  • AI-powered ransomware protection for your devices
  • Email protection from phishing attacks powered by AI-powered large language models (LLMs)
  • The ability to secure work data on personal and company-owned devices
  • The ability to secure identities and access to work apps
  • Protection against lost or stolen passwords with multifactor authentication
  • Data protection and sensitivity labeling for files to prevent data loss
  • Lifecycle management, e-discovery, and legal hold
  • Web, mobile, and desktop versions of Word, Excel, PowerPoint, and Outlook
  • Chat, call, and meet with teams using a laptop, tablet, or phone
  • 1 TB of cloud storage per user    
     

Microsoft 365 E5 Security

$12.00
user/month, paid yearly

(Annual subscription–auto renews) 1

Requires Microsoft 365 Business Premium
Try free for 30 days Buy it now
Experience enhanced security with multi-layered cyberthreat and identity protection.6
  • Comprehensive XDR capabilities across identities, endpoints, apps, and email to help protect against, detect, and respond to sophisticated attacks
  • Identity protection with AI-driven risk detection and automated response
  • AI-powered endpoint security with applied threat intelligence and threat hunting
  • Enhanced AI-driven phishing protection and detailed reporting
  • Software as a service (SaaS) security to track employee use, manage access, and restrict suspicious behavior in cloud apps
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Customer stories

Explore how Microsoft helps businesses stay secure

  1. quotient ventures logo
  2. hollen Logo
  3. eyemail Logo
  4. zollner logo
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“I can support the business more effectively with a very small team.”
Mehboob Kasim, President, Operations and Systems, Quotient Ventures
Products
Microsoft 365 Business Premium
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hollen Logo
“[Microsoft Defender for Business]’s focus on security and efficiency solved a lot of problems for us and provided a simple solution we used to modernize our business.”
Branislav Krampl, Director of Information and Communications Technology, Internal Processes Optimalization, and Marketing, Hollen
+35 points
In Microsoft Secure Score after implementing security features.
+15%
More efficient technicians
Products
Microsoft 365 Business Premium
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eyemail Logo
“With Microsoft Defender, we have a prebuilt security solution that comes with default settings to help cover the biggest threats.” 
Lisa S. Jones, Founder and Chief EyeMail Officer, EyeMail
71%
Growth in two years
Products
Microsoft Defender for Business
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zollner logo
“It’s been a big upgrade for us in overall security.”
Frank Severin, Head of Organization and Processes. Zöllner
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What’s new

Get the latest from Microsoft Security 

Elevating security for SMBs with AI-powered email protection and new partner initiatives

Explore AI-powered email and collaboration protection features from Microsoft Defender for Office 365—also included in Microsoft 365 Business Premium.
Read the blog
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7 cybersecurity trends and tips to help small and medium-sized businesses stay protected

Stay up to date on the top security challenges faced by small and medium-sized businesses—and find ways to approach the evolving cyberthreat landscape.
Read the blog
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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.3, 4, 5
Read more
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Get the latest updates on Microsoft Defender for Business

See how Defender for Business continues to evolve as a security solution that protects small businesses from cyberattacks.
Read more
Get started

Choose your plan

Simplify your business with Microsoft 365 Business Premium, a comprehensive solution for cybersecurity and productivity.
See plans and pricing Contact Sales
  1. [1]
    Cancellation policies for paid subscriptions may vary based on factors such as your customer status, your product, and your domain selections on Microsoft. You may cancel your subscription at any time in the Microsoft 365 admin center. Certain subscriptions may incur a cancellation fee. Learn how to cancel your Microsoft 365 subscription or Microsoft Defender for Business subscription. When a subscription is canceled, all associated data will be deleted. Learn more about data retention, deletion, and destruction in Microsoft 365.
  2. [2]
    After your one-month free trial ends, your subscription will automatically convert into a 12-month paid subscription and you will be charged the applicable subscription fee. Cancel anytime during your free trial to stop future charges. A credit card is required to sign up. Learn more.
  3. [3]
    IDC MarketScape: Worldwide Modern Endpoint Security for Small Businesses Vendor Assessment, 2024, Michael Suby, March 2024.
  4. [4]
    IDC MarketScape: Worldwide Modern Endpoint Security for Midsize Businesses Vendor Assessment, 2024, Michael Suby, February 2024.
  5. [5]
    IDC MarketScape: Worldwide Modern Endpoint Security for Enterprises Vendor Assessment, 2024, Michael Suby, January 2024.
  6. [6]
    Microsoft Defender for Business in Business Premium does not support mixed licensing with Microsoft Defender for Endpoint P2 when adding E5 Security. Learn more.

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