Help keep your devices and servers secure from online threats such as ransomware and malware. Defender for Business is an easy-to-use cybersecurity solution to help protect against, detect, and respond to cyberattacks.

Enhance defence with Microsoft Defender. Shield your systems confidently. Try it now for a fortified security experience.

Traditional antivirus solutions aren’t enough

Modern threats require modern protection, and traditional antivirus solutions can’t keep up. Defender for Business helps you to identify, protect against, detect, and respond to sophisticated cyberattacks, helping you to stay secure.

Cost-effective protection

Get comprehensive cybersecurity value at a price that works for your business.

Easy to use

Activate security policies out of the box with simple set-up wizards.

Enterprise device security

Get a complete set of prevention, protection, and response capabilities to thwart sophisticated cyberattacks.

Traditional antivirus solutions vs. Microsoft Defender for Business

Defender for Business capabilities

Defender for Business is optimised to meet the needs of small and medium-sized businesses of up to 300 users.


Discover weaknesses that pose the most urgent and highest risk to your business with threat and vulnerability management.

Prioritise and remediate software vulnerabilities and misconfigurations, then proactively build a secure foundation for your environment.


Minimise the places where you’re vulnerable across devices and applications with attack surface reduction to leave bad actors with fewer ways to perform attacks.

Help prevent and protect against threats at your front door with antimalware and antivirus protection on your devices and in the cloud.

Detect and Respond

Detect and respond to incidents with endpoint detection and response to identify sophisticated threats and remove them from your environment.


Scale your security operations and recover from cyberattacks with automated investigation and remediation, which examines alerts and resolves attacks.

Microsoft Defender for Business plans and pricing

Standalone – available for all customers

Microsoft Defender for Business


Up to 300 users


Enterprise-grade protection across your laptops, desktops, and mobile devices


Threat and vulnerability management


Next-generation antivirus protection


Endpoint detection and response


Automated investigation and response


Up to five devices per user


Defender for Business Servers


Single admin experience for clients and servers


Server security applied out of the box


Detect and patch server vulnerabilities quickly


Requires Defender for Business or Microsoft 365 Business Premium.


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