This is the Trace Id: b98da03807b42d77a00f09f9e54f5a35
Skip to main content Microsoft Defender Microsoft Entra Microsoft Intune Microsoft Purview Microsoft Security Copilot Microsoft Sentinel View all products AI-powered cybersecurity Cloud security Data security & governance Identity & network access Privacy & risk management Security for AI Small and medium business Unified SecOps Zero Trust Pricing Services Partners Why Microsoft Security Cybersecurity awareness Customer stories Security 101 Product trials How we protect Microsoft Industry recognition Microsoft Security Insider Microsoft Digital Defense Report Security Response Center Microsoft Security Blog Microsoft Security Events Microsoft Tech Community Documentation Technical Content Library Training & certifications Compliance Program for Microsoft Cloud Microsoft Trust Center Security Engineering Portal Service Trust Portal Microsoft Secure Future Initiative Business Solutions Hub Contact Sales Start free trial Microsoft Security Azure Dynamics 365 Microsoft 365 Microsoft Teams Windows 365 Microsoft AI Azure Space Mixed reality Microsoft HoloLens Microsoft Viva Quantum computing Sustainability Education Automotive Financial services Government Healthcare Manufacturing Retail Find a partner Become a partner Partner Network Microsoft Marketplace Software companies Blog Microsoft Advertising Developer Center Documentation Events Licensing Microsoft Learn Microsoft Research View Sitemap

Microsoft Defender

Get trusted cybersecurity protection for your business and home with Microsoft Defender.

Get industry-leading cybersecurity protection for your business

Help protect your business with AI-powered capabilities that detect and respond rapidly to cyberthreats such as phishing, malware, and ransomware. Defender for Business is included in Microsoft 365 Business Premium or available as a standalone subscription.

Choose the right plan for your business

Microsoft Defender for Business

$3.00
user/month, paid yearly
(Annual subscription—auto renews)1
See trial terms2

Microsoft 365 Business Premium

$22.00
user/month, paid yearly
(Annual subscription—auto renews)1
See trial terms2

Microsoft 365 Business Premium (no Teams)

$18.79
user/month, paid yearly
(Annual subscription—auto renews)1
See trial terms2
Threat intelligence: Help protect against ransomware, malware, and other cyberthreats with enterprise-grade security across devices.
Included
Included
Included
Attack surface reduction: Reduce potential cyberattack surfaces with network protection, firewall, and other attack surface reduction rules.
Included
Included
Included
Web category blocking: Track and regulate access to websites based on content categories.
Included
Included
Included
Centralized management: Get centralized management and reporting through the Microsoft Defender portal.
Included
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
Included
Endpoint detection and response: Proactively search for new and unknown cyberthreats with AI and machine learning to monitor devices for unusual or suspicious activity, and initiate a response.
Included
Included
Included
Automatic attack disruption: Automatically disrupt in-progress human-operated ransomware attacks by containing compromised users and devices.
Included
Included
Included
Automated investigation and response: Investigate alerts and automatically respond to most cybersecurity threats with 24x7 automated responses.
Included
Included
Included
Conditional access: Help employees securely access business apps wherever they work with conditional access, while helping prevent unauthorized access.
Included
Included
Multifactor authentication: Prevent unauthorized access to systems by requiring users to provide more than one form of authentication when signing in.
Included
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
Included
Mobile device management: Remotely manage and monitor mobile devices by configuring device policies, setting up security settings, and managing updates and apps.
Included
Included
Mobile app management: Manage and secure mobile apps on users’ devices.
Included
Included
Microsoft 365 protection: Help protect all the different components of the Microsoft 365 platform, including email, Microsoft Teams, and SharePoint.
Included
Included
Safe links: Scan links in emails and documents for malicious URLs, and block or replace them with a safe link.
Included
Included
Safe attachments: Scan attachments for malicious content, and block or quarantine them if necessary.
Included
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
Included
Message encryption: Help protect sensitive data by encrypting emails and documents so that only authorized users can read them.
Included
Included
Data loss prevention: Help prevent risky or unauthorized use of sensitive data on apps, services, and devices.
Included
Included
Information Protection: Discover, classify, label and protect sensitive data wherever it lives and help prevent data breaches
Included
Included
E-discovery: Help organizations find and manage information that might be relevant to legal or regulatory matters.
Included
Included
Litigation hold: Preserve and retain data in the case of legal proceedings or investigations to ensure content can’t be deleted or modified.

Access an AI-powered chat for work with commercial data protection with Microsoft 365 Copilot, now available as an add-on6

Available as an add-on

Available as an add-on

Collaborate on desktop, web, and mobile versions of Outlook, Word, Excel, PowerPoint, and OneNote (plus Access for PC only).

Included
Included

Communicate using Exchange email hosting with a custom business email (name@yourbusiness.com).

Included
Included

Use personal file storage and sharing with OneDrive.

Included
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, and Microsoft Planner.

Included
Included

Make it easier for your customers to schedule and manage appointments with Microsoft Bookings.

Included

Access help and troubleshooting tools, videos, articles, and forums.

Included
Included
Included

Get phone and online support anytime.

Included
Included

Get technical support for installation, setup, configuration, and general usage.

Included
Included

Get a financially backed 99.9% uptime guarantee.

Included
Included

Secure your business with more than 300 employees

Microsoft Security capabilities are included in Microsoft 365 E3 and E5 suites.

How traditional antivirus solutions
compare to Defender for Business

Frequently asked questions

  • Defender for Business is an AI-powered, enterprise-grade device security solution that helps businesses with up to 300 employees protect against ransomware and other cyberthreats in an easy-to-use and cost-effective package.
  • Defender for Business servers is an add-on to Defender for Business or Microsoft 365 Business Premium. The add-on provides security for servers within Defender for Business, helping you protect all your endpoints using a single admin experience. Get simplified onboarding and management, with security policies activated out of the box to help you quickly secure servers. Identify cyberthreats and vulnerabilities to patch and protect your environment from ransomware, malware, and other cyberthreats.
  • IT service providers can use Microsoft 365 Lighthouse view insights from Defender for Business across multiple customers in a single location. This includes multi-tenant list views of incidents and alerts across tenants and notifications via email. Default baselines can be used to scale customer tenant onboarding, and vulnerability management capabilities help IT service providers see trends in secure score, exposure score and recommendations to improve tenants.
  • Securing devices is critical to safeguarding your organization from malicious actors attempting to disrupt your business with cyberattacks. Device security helps to protect, detect, and respond to these cyberthreats 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.
  • Microsoft Defender for Business is designed for small and medium-sized businesses with up to 300 users. It provides AI-powered, enterprise-grade cyberthreat protection that includes endpoint detection and response with automatic attack disruption, automated investigation and remediation, and other capabilities. Cross-platform support provides protection for Windows, MacOS, Android, and iOS devices. 

    Microsoft Defender for individuals and families helps people stay safer online. It provides antivirus protection, antiphishing protection, identity theft monitoring, credit monitoring3, and privacy protection4. It also offers identity theft insurance up to USD1 million to cover restoration costs and restoration support that’s available anytime, day or night.5

    Microsoft Defender for Business is a comprehensive security solution for businesses, while Microsoft Defender for individuals and families is an all-in-one online protection app for the home.

Microsoft Defender for Business

  1. [1]
    Once your paid subscription begins, you have a 7-day cancellation window to receive a prorated refund, only paying for what you use. You may cancel your subscription at any time in the Microsoft 365 admin center. Learn how to cancel your Microsoft 365 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 to a paid subscription and you’ll be charged the applicable subscription fee based on the subscription term and billing plan you select. Cancel anytime during your free trial to stop future charges. A credit card is required to sign up. Storage for trials will be limited. Microsoft reserves the right to suspend access to its products and services if payment is not received after your one-month free trial ends. Learn more.
  3. [3]
    Feature is available in the United States and US territories. Credit score is a single bureau VantageScore 3.0 provided by Experian®. The monthly credit report is provided by Experian® using single bureau data. For users under the age of 18 or those without a credit history, credit score is not included. Family organizers will not have the ability to onboard, view, and receive alerts related to family member credit monitoring. Your device's primary display language must be set to English.
  4. [4]
    Privacy protection (VPN) is available on Android devices in the United States and US territories. Privacy protection is coming soon to Windows. Some streaming services are excluded. After 10 GB per month, data transfer speeds may be limited.
  5. [5]
    The identity theft insurance is underwritten and administered by American Bankers Insurance Company of Florida, an Assurant company. Please refer to the actual policies for terms, conditions, and exclusions of coverage. Coverage may not be available in all jurisdictions. Review the Summary of Benefits.
  6. [6]
    Microsoft 365 Copilot may not be available for all markets and languages. To purchase, customers must have a qualifying plan for enterprise or business.

Follow Microsoft Security

English (United States) Consumer Health Privacy Sitemap Contact Microsoft Privacy Manage cookies Terms of use Trademarks Safety & eco Recycling About our ads