Microsoft Defender

Microsoft Defender helps prevent, detect, and respond to attacks across devices, identities, apps, email, data, workloads, and clouds. Explore threat intelligence, capabilities, and real-world guidance to help you get more out of Defender.

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Prevent threats with Microsoft Defender
The Microsoft Defender family offers comprehensive threat prevention, detection, and response capabilities for everyone—from individuals looking to protect their family to the world’s largest enterprises.
Explore products
June 2, 2022

3 min read

Microsoft collaborates with Tenable to support federal cybersecurity efforts

In the spirit of the executive order and as part of our commitment to enhancing cybersecurity across the US, we today announce that Tenable has expanded its collaboration with the Microsoft Intelligent Security Association (MISA).
May 2, 2022

6 min read

Microsoft launches Defender for Business to help protect small and medium businesses

Microsoft Defender for Business is now available as a standalone solution to help small and medium businesses boost security as they face growing threats.
April 25, 2022

6 min read

Microsoft best practices for managing IoT security concerns

The Internet of Things, or IoT, has expanded beyond the mere concept that it was when first introduced.
April 6, 2022

3 min read

Forrester names Microsoft a Leader in 2022 Enterprise Detection and Response Wave™ report

Microsoft was named as a Leader in The Forrester Wave™: Enterprise Detection and Response for Q1 of 2022—the ninth Leader position for Microsoft Security in a Forrester Wave™.
Retain Microsoft Security Experts
Microsoft Security Experts are now available to strengthen your team with managed security services. Learn how to defend against threats with security experts.
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April 5, 2022

8 min read

New security features for Windows 11 will help protect hybrid work

Attackers haven’t wasted any time capitalizing on the rapid move to hybrid work.
March 31, 2022

5 min read

Microsoft protects against human-operated ransomware across the full attack chain in the 2022 MITRE Engenuity ATT&CK® Evaluations

For the fourth year in a row, the independent MITRE Engenuity ATT&CK® Evaluations demonstrated that threats are no match for Microsoft’s multi-platform extended detection and response (XDR) defense capabilities.
March 29, 2022

5 min read

3 steps to secure your multicloud and hybrid infrastructure with Azure Arc

In this blog, we will share how you can increase security for on-premises and hybrid infrastructure through offerings including Azure Arc, Microsoft Defender for Cloud, and Secured-core for Azure Stack HCI.
March 17, 2022

8 min read

A Leader in multiple Zero Trust security categories: Industry analysts weigh in

Find out how Microsoft is a leader in the industry across the pillars of Zero Trust security—and how your organization can benefit.
Modernize your Security Operations Center with Microsoft Sentinel
Microsoft Sentinel is a cloud-native SIEM solution powered by AI and automation that delivers intelligent security analytics across your entire enterprise.
Learn more
March 16, 2022

6 min read

Uncovering Trickbot’s use of IoT devices in command-and-control infrastructure

The Microsoft Defender for IoT research team has recently discovered the exact method through which MikroTik devices are used in Trickbot’s C2 infrastructure.
March 14, 2022

5 min read

Secure your healthcare devices with Microsoft Defender for IoT and HCL’s CARE

Recently, Microsoft and global technology services firm HCL Technologies teamed up to help solve the security challenge with a high-performance solution for medical devices.
March 3, 2022

7 min read

Secure your OT and IoT devices with Microsoft Defender for IoT and Quzara Cybertorch™

In recent years, malicious actors have started attacking industrial control systems and key sectors of nations’ critical infrastructure to inflict damage that transcends the cyber world and traditional IT assets.
February 28, 2022

8 min read

How Microsoft can help reduce insider risk during the Great Reshuffle

These are exciting and demanding days for organizations adapting to hybrid work realities, including a wider distributed workforce and more rapid change in employee roles.