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Microsoft Security

Microsoft 365 Copilot availability is now expanded for small and medium businesses.

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Security solutions for small and medium-sized businesses

Microsoft 365 Business Premium and Microsoft Defender for Business help businesses with up to 300 employees protect, detect, and respond rapidly to cyberthreats. Defender for Business is included in Microsoft 365 Business Premium and is also available as a standalone subscription.

Microsoft Defender for Business

Originally starting from $3.00 now starting from $3.00

$3.00 $3.00

user/month

(Annual subscription—auto renews)1

  • Up to 300 users and up to five devices per user, with no minimum device requirement

  • Enterprise-grade device protection for Windows, MacOS, iOS, and Android devices

  • Wizard-based onboarding and simplified management experience

  • Vulnerability management to identify weaknesses and strengthen security

  • Next-generation antivirus protection to block new and emerging threats

  • AI-powered endpoint detection and response with automatic attack disruption to help contain in-progress ransomware attacks in real time

  • Automated investigation and remediation to automatically resolve most cyberthreats

  • Monthly security summary reports to track your protection

  • Server protection available as an add-on

Best value

Microsoft 365 Business Premium

Originally starting from $22.00 now starting from $22.00

$22.00 $22.00

user/month

(Annual subscription—auto renews)1

  • Includes Defender for Business, plus:

  • Microsoft 365 Copilot available as an add-on3

  • Email protection from phishing attacks with Microsoft Defender for Office 365 Plan 1

  • The ability to secure work data on personal and company-owned devices with Microsoft Intune Plan 1

  • The ability to secure identities and access to work apps with Microsoft Entra ID Plan 1

  • Protection against lost or stolen passwords with advanced multifactor authentication

  • Data protection with Microsoft Purview Information Protection and Microsoft Purview Data Loss Prevention

  • Archiving, 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

  • Partially included checkmark Partial checkmark icons indicate a feature is partially included
  • Included checkmark Checkmark icons indicate a feature is included

Microsoft Defender for Business

Originally starting from $3.00 now starting from $3.00

$3.00 $3.00

user/month

(Annual subscription—auto renews)1

Best value

Microsoft 365 Business Premium

Originally starting from $22.00 now starting from $22.00

$22.00 $22.00

user/month

(Annual subscription—auto renews)1

Microsoft Defender for Business
Microsoft 365 Business Premium
  • Partially included checkmark Partial checkmark icons indicate a feature is partially included
  • Included checkmark Checkmark icons indicate a feature is included
Device security (supported by Microsoft Defender for Business)
included
included
Threat intelligence: Help protect against ransomware, malware, and other cyberthreats with enterprise-grade security across devices.
included
included
Attack surface reduction: Reduce potential cyberattack surfaces with network protection, firewall, and other attack surface reduction rules.
included
included
Web category blocking: Track and regulate access to websites based on content categories.
included
included
Centralized management: Get centralized management and reporting through the Microsoft Defender portal.
included
included
Simplified client configuration: Get started easily with a setup wizard that helps organizations configure Defender for Business.
included
included
Cross platform support: Get device support across Windows, MacOS, iOS, and Android.
included
included
Endpoint detection and response: Use AI models to create high-confidence signals and be alerted about real-time threats to help you respond rapidly.
included
included
Automatic attack disruption: Automatically disrupt in-progress, human-operated ransomware attacks by containing compromised users and devices.
included
included
Automated investigation and response: Investigate alerts and automatically respond to most cybersecurity threats around the clock.
included
included
Identity management (supported by Microsoft Entra ID Plan 1)
included
Conditional access: Help employees securely access business apps wherever they work with conditional access, while helping prevent unauthorized access.
included
Multifactor authentication: Prevent unauthorized access to systems by requiring users to provide more than one form of authentication at sign in.
included
Device management (supported by Microsoft Intune Plan 1)
included
Windows device setup and management: Remotely manage and monitor Windows devices by configuring device policies, setting up security settings, and managing updates and apps.
included
Mobile device management: Remotely manage and monitor mobile devices by configuring device policies, setting up security settings, and managing updates and apps.
included
Mobile app management: Manage and secure mobile apps on a user’s devices.
included
Email and collaboration security (supported by Microsoft Defender for Office 365 Plan 1)
included
Microsoft 365 protection: Help protect all the different components of the Microsoft 365 platform, including email, Microsoft Teams, and SharePoint.
included
Safe links: Scan links in emails and documents for malicious URLs, and block or replace them with a safe link.
included
Safe attachments: Scan attachments for malicious content, and block or quarantine them if necessary.
included
Antiphishing: Help protect users from phishing emails by identifying and blocking suspicious emails, and provide users with warnings and tips to help spot and avoid phishing attempts.
included
Data management and compliance (supported by Microsoft Purview)
included
Message encryption: Help protect sensitive data by encrypting emails and documents so only authorized users can read them.
included
Data loss prevention: Help prevent risky or unauthorized use of sensitive data on apps, services, and devices.
included
Information protection: Discover, classify, label, and protect sensitive data wherever it lives to help prevent data breaches.
included
E-discovery: Help organizations find and manage information that might be relevant to legal or regulatory matters.
included
Litigation hold: Preserve and retain data in case of legal proceedings or investigations to ensure content can’t be deleted or modified.
included
Productivity apps and services (supported by Microsoft 365)
included
Access an AI-powered chat for work with commercial data protection. Microsoft 365 Copilot is now available as an add-on.3

Available as an add-on

Collaborate on desktop, web, and mobile versions of Outlook, Word, Excel, PowerPoint, and OneNote (plus Access and Publisher for PC only).
included
Communicate using Exchange email hosting with a custom business email ([email protected]).
included
Use personal file storage and sharing with OneDrive.
included
Host secure, organized meetings with audio, video, screen sharing, and the option to record.
included
Get additional Microsoft 365 services, including SharePoint Online, Microsoft Viva Engage, Microsoft Planner, and Microsoft Stream.
included
Make it easier for your customers to schedule and manage appointments with Microsoft Bookings.
included
Support and deployment
Partially included
included
Access help and troubleshooting tools, videos, articles, and forums.
included
included
Get phone and online support anytime.
included
Get technical support for installation, setup, configuration, and general usage.
included
Get a financially backed 99.9% uptime guarantee.
included

Add-ons

Microsoft Defender for Business servers

Originally starting from $3.00 now starting from $3.00

$3.00 $3.00

license/month

(Annual subscription—auto renews)1

Frequently asked questions

  • Microsoft 365 Business Premium is a comprehensive cloud productivity and security solution that’s purpose-built for businesses with up to 300 employees. With it, you can:

    • Enable secure remote access to critical work apps from anywhere to help ensure business continuity while helping ensure only authorized personnel have access to confidential work data.
    • Defend against sophisticated cyberthreats and safeguard business data with enterprise-grade protection against phishing, ransomware, and data loss.
    • Easily manage and secure the devices that connect to your data, helping keep devices across iOS, Android, Windows, and Mac up to date and secure.
    • Keep employees connected and productive as they work remotely with best-in-class collaboration tools such as Microsoft Teams.
       

    With one comprehensive solution for productivity and security, you have everything you need in one place for administration, billing, and 24-hour support, while reducing cost and complexity. Learn more.

  • Defender for Business is an enterprise-grade device security solution powered by AI. It helps businesses with up to 300 employees protect against cybersecurity threats, including malware and ransomware, in an easy-to-use, cost-effective package, offering cross-platform protection of iOS, Android, Windows, and Mac devices.

    Defender for Business is available as a standalone product and is also included in Microsoft 365 Business Premium. There is also an add-on server offering to help protect Windows and Linux servers. Learn more.

  • Defender for Business includes up to 300 users and up to five devices for each user. There is no minimum device requirement.

  • Defender for Business server's is an add-on to Defender for Business or Microsoft 365 Business Premium. The add-on provides security for servers with Defender for Business, helping you protect all your endpoints using a single admin experience. Offering simplified onboarding and management, it includes security policies activated out of the box to help you quickly secure servers. Defender for Business servers also identifies threats and vulnerabilities as well, so you can patch and protect your environment from ransomware, malware, and other threats.

  • Managed Service Providers (MSPs) who are part of Microsoft’s Cloud Solution Provider program can use Microsoft 365 Lighthouse as one central place to secure, manage, and grow their customers using Microsoft 365 Business Basic, Business Standard, Business Premium, Defender for Business, and Microsoft 365 for enterprise and education products. Learn more.

  • Securing devices is critical to safeguarding your organization from malicious actors attempting to attack or disrupt your business. Device security helps to protect, detect, and respond to these threats for desktops, laptops, and mobile devices.

  • Microsoft Defender Antivirus provides next-generation protection built into Windows devices, helping protect them from viruses, malware, and potentially unwanted applications. Defender for Business includes Defender Antivirus capabilities and extends protection to encompass threat and vulnerability management, attack surface reduction, endpoint detection and response, and automated investigation and remediation. 

Get started with Microsoft 365 Business Premium


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