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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Simplify endpoint management with Microsoft Intune
Microsoft Intune is a cloud-based unified endpoint management platform that empowers IT to manage, assess, and protect apps and devices.
Learn more
December 2, 2021

5 min read

Behind the unprecedented effort to protect customers against the NOBELIUM nation-state attack

In the third of a four-part series on the NOBELIUM nation-state attack, we share how Microsoft product teams built new detections into products to better protect customers.
November 29, 2021

4 min read

How Red Canary and Microsoft can help reduce your alert fatigue

Learn how Red Canary’s security operations platform integrates with Microsoft Defender for Endpoint to help organizations overcome “alert fatigue” and identify serious security threats.
November 18, 2021

4 min read

Microsoft named a Leader in IDC MarketScape for Modern Endpoint Security for Enterprise and Small and Midsize Businesses

The security stakes have never been higher and, consequently, the protection of endpoints as a key component of any extended detection and response strategy has never been more critical—for organizations of all sizes.
November 18, 2021

7 min read

Microsoft unpacks comprehensive security at Gartner and Forrester virtual events

Get Microsoft’s latest learnings for today’s threat landscape, including ransomware, hybrid work, evolving compliance regulations, and more.
Secure and verify every identity with Microsoft Entra
Microsoft Entra expands beyond identity and access management with new product categories such as cloud infrastructure entitlement management (CIEM) and decentralized identity.
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November 16, 2021

3 min read

Protect against phishing with Attack Simulation Training in Microsoft Defender for Office 365

Sophisticated cyberattacks are on the rise, with email phishing as the most common attack vector.
November 15, 2021

8 min read

AI-driven adaptive protection against human-operated ransomware

We developed a cloud-based machine learning system that, when queried by a device, intelligently predicts if it is at risk, then automatically issues a more aggressive blocking verdict to protect the device, thwarting an attacker’s next steps.
November 9, 2021

3 min read

Microsoft is recognized as a Leader in the 2021 Forrester Wave for Unified Endpoint Management

Our current offering and product strategy eases the path to cloud management and improves Microsoft Endpoint Manager placement.
November 8, 2021

5 min read

Learn how Microsoft strengthens IoT and OT security with Zero Trust

Get insights on securing your supply chain and IoT/OT devices against sophisticated new cyber threats.
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
November 4, 2021

6 min read

Discover what’s new and gain technical expertise from MISA at Ignite

Learn about new compliance solutions and Microsoft’s 20 billion investment in cybersecurity heading into Microsoft Ignite 2021.
November 2, 2021

9 min read

Protect your business with Microsoft Security’s comprehensive protection

Securing an organization has never been simple.
November 2, 2021

7 min read

How Microsoft Defender for IoT can secure your IoT devices

Cybersecurity threats are always evolving, and today we’re seeing a new wave of advanced attacks specifically targeting IoT devices used in enterprise environments as well as operational technology devices used in industrial systems and critical infrastructure.
October 28, 2021

7 min read

Microsoft finds new macOS vulnerability, Shrootless, that could bypass System Integrity Protection

Microsoft found a vulnerability (CVE-2021-30892) that could allow an attacker to bypass System Integrity Protection (SIP) in macOS.