Help secure your email and Microsoft Teams with advanced protection against phishing, business email compromise, ransomware, and other cyberthreats.
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Integrated cyberthreat protection for your email and collaboration tools
Strengthen email security without compromise
Help protect your organization against advanced cyberattacks, such as BEC, with native email security that automatically stopscyberattack progression and boosts SecOps productivity.
Get comprehensive security for collaboration tools
Protect against emerging phishing attacks that target collaboration tools by protecting your Microsoft Teams environment with a unified detection and response experience.
Enhance security with industry-leading AI and automation
Get unparalleled accuracy with AI-enabled detection capabilities. Gain a better understanding of your organization'scyberthreat landscape and vulnerabilities with advanced analytics and automated workflows.
Protect against advanced cyberattacks with XDR
Respond to sophisticated cyberattacks using email and collaboration signals as part of your detection and response in Microsoft Defender XDR. Use incident-based detections to hunt across the entire cyberattack chain.
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Capabilities
Prevention Detection Investigation and hunting Response and remediation Awareness and training Secure posture
Prevention
Help prevent a wide variety of volume-based and targeted cyberattacks, including business email compromise, credential phishing, ransomware, and advanced malware with a robust filtering stack.
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Detection
Automatically detect malicious and suspicious content, such as links and files across email and Microsoft Teams, with industry-leading AI capabilities.
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Investigation and hunting
Detect and respond to cyberattacks with a unified investigation experience, full cyberattack-chain visibility, and advanced hunting capabilities to identify and prioritize cyberthreats.
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Response and remediation
Respond to and remediate incidents with built-in automation that reverses malicious activities and custom setups that enable security teams to scale and be more efficient.
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Awareness and training
Run cyberattack simulations and train your users with data-driven insights on the most commoncyberattacks and knowledge gaps specific to your organization.
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Secure posture
Use recommended templates and configuration insights to help your organization get and stay secure.
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Unified security operations platform
Secure your digital estate with the only security operations (SecOps) platform that unifies the full capabilities of extended detection and response (XDR) and security information and event management (SIEM).
Unified portal Microsoft Defender XDR Microsoft Sentinel
Unified portal
Detect and disrupt cyberthreats in near real time and streamline investigation and response.
Learn more about Microsoft unified XDR and SIEM
A holistic view ofcyberthreat protection
Defender for Office 365 supports organizations throughout the lifecycle of a cyberattack.
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Microsoft Defender for Office 365 helps organizations secure their enterprise with a comprehensive slate of capabilities for prevention, detection, investigation and hunting, response and remediation, awareness and training, and achieving a secure posture.
Industry recognition
Microsoft Security is a recognized industry leader.
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The Forrester Wave™: Enterprise Email Security
Microsoft Defender for Office 365 is named a Leader in The Forrester Wave™: EnterpriseEmail Security, Q2 2023.1
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See how customers implement Defender for Office 365
Read the case studies
St. Luke’s University Health Network
See why St Luke’s University Health Network moved from Proofpoint to Defender for Office 365.
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bp
Read how bp is bolstering its resilience against phishing campaigns with Microsoft Defender for Office 365.
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Compare flexible purchase options
Explore the comprehensive security capabilities offered by Microsoft Defender for Office 365 Plan 1 and Microsoft Defender for Office 365 Plan 2. These capabilities are also included in Microsoft 365 E5 Security.
Microsoft Defender for Office 365 (Plan 1)
Originally starting from $2.00 now starting from $2.00
$2.00 $2.00
user/month
Defender for Office 365 Plan 1 offers protection against advancedcyberattacks across email and collaboration tools in Office 365.
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Protection against advanced cyberattacks, such as phishing, malware, spam, and business email compromise
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Protection beyond email (Microsoft Teams, SharePoint, OneDrive, and Productivity apps)
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Internal email protection
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Detailed reporting
Microsoft Defender for Office 365 (Plan 2)
Originally starting from $5.00 now starting from $5.00
$5.00 $5.00
user/month
Defender for Office 365 Plan 2 offers everything in Plan 1 plus advancedcyberthreat hunting, automation,cyberattack simulation training, and cross-domain XDR capabilities.
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Protection against advanced cyberattacks, such as phishing, malware, spam, and business email compromise
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Protection beyond email (Microsoft Teams, SharePoint, OneDrive, and Productivity apps)
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Internal email protection
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Detailed reporting
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Advancedcyberthreat hunting
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Automated investigation and response
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Cyberattack simulation training
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Microsoft Defender XDRcapabilities, such as cross-domain hunting and incident correlation
Related products
Use best-in-class Microsoft security products to prevent and detectcyberattacks across your Microsoft 365 workloads.
Learn more
Cyberattack Simulation Training
Automatically deploy a security awareness training program and measure behavioral changes.
Learn more
Microsoft Defender for Endpoint
Explore endpoint security for businesses with more than 300 users.
Learn more
Microsoft Defender for Identity
Manage and secure hybrid identities and simplify employee, partner, and customer access.
Learn more
Microsoft Defender for Cloud Apps
Get visibility, control data, and detectcyberthreats across cloud services and apps.
Learn more
More about Defender for Office 365
Blog
Stay up to date
Get product news, configuration guidance, tips, and other information.
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Datasheet
Help protect against QR code phishing
Proactively protect your organization—learn how Defender for Office 365 is responding to QR code phishing.
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Documentation
Explore documentation
Review technical guidance for Defender for Office 365.
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Training
Become an expert
Train to become an expert in Defender for Office 365, whether you’re a beginner or have experience.
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Protect everything
Make your future more secure. Explore your security options today.
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