Native protection for Office 365
Built-in protection simplifies administration, lowers total cost of ownership, and boosts productivity.
Protect all of Office 365 against advanced threats like business email compromise and credential phishing. Automatically investigate and remediate attacks.
Defender for Office 365 supports organizations throughout the lifecycle of an attack.
A robust filtering stack prevents a wide variety of volume-based and targeted attacks including business email compromise, credential phishing, ransomware, and advanced malware.
Industry-leading AI detects malicious and suspicious content and correlates attack patterns to identify campaigns designed to evade protection.
Powerful experiences help identify, prioritize, and investigate threats, with advanced hunting capabilities to track attacks across Office 365.
Extensive incident response and automation capabilities amplify your security team’s effectiveness and efficiency.
Rich simulation and training capabilities along with integrated experiences within client applications build user awareness.
Recommended templates and configuration insights help customers get and stay secure.
Jason Youngers - Director and Information Security Officer
Try Microsoft 365 E5 Security to experience Defender for Office 365 and other security products.
Get started with Defender for Office 365 included with a Microsoft 365 E5 purchase.
Leverage Defender for Office 365 to protect your Office 365 environment against advanced threats.
Defender for Office 365 helps organizations secure their enterprise by offering a comprehensive slate of prevention, detection, investigation and hunting, response and remediation, awareness and training, and secure posture features.