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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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.
Learn more
July 11, 2024

9 min read

Simplified Zero Trust security with the Microsoft Entra Suite and unified security operations platform, now generally available

Microsoft is announcing the Microsoft Entra Suite and the unified security operations platform, two innovations that simplify the implementation of your Zero Trust security strategy.
July 2, 2024

7 min read

Vulnerabilities in PanelView Plus devices could lead to remote code execution

Microsoft discovered and responsibly disclosed two vulnerabilities in Rockwell’s PanelView Plus that could be remotely exploited by unauthenticated attackers, allowing them to perform remote code execution (RCE) and denial-of-service (DoS).
June 26, 2024

6 min read

Mitigating Skeleton Key, a new type of generative AI jailbreak technique

Microsoft recently discovered a new type of generative AI jailbreak method called Skeleton Key that could impact the implementations of some large and small language models.
June 26, 2024

8 min read

Working with a cybersecurity committee of the board

Learn about the rise of cybersecurity committees and how the CISO and IT security team can work with them to produce the best result for the organization’s IT security and enable digital transformation.
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 3, 2024

4 min read

Microsoft is named a leader in the Forrester Wave for XDR

Microsoft has been named a leader in The Forrester Wave™: Extended Detection and Response (XDR) platforms, Q2, 2024, and received the highest scores in both strategy and current offering categories, as well as in the market presence category.
May 30, 2024

9 min read

Exposed and vulnerable: Recent attacks highlight critical need to protect internet-exposed OT devices

Since late 2023, Microsoft has observed an increase in reports of attacks focusing on internet-exposed, poorly secured operational technology (OT) devices.
May 29, 2024

7 min read

6 insights from Microsoft’s 2024 state of multicloud risk report to evolve your security strategy

Discover the top multicloud security risks across DevOps, runtime environments, identity and access, and data in this new report from Microsoft.
May 28, 2024

14 min read

Moonstone Sleet emerges as new North Korean threat actor with new bag of tricks

Microsoft has identified a new North Korean threat actor, now tracked as Moonstone Sleet (formerly Storm-1789), that combines many tried-and-true techniques used by other North Korean threat actors, as well as unique attack methodologies to target companies for its financial and cyberespionage objectives.
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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May 15, 2024

10 min read

Threat actors misusing Quick Assist in social engineering attacks leading to ransomware

Microsoft Threat Intelligence has observed Storm-1811 misusing the client management tool Quick Assist to target users in social engineering attacks that lead to malware like Qakbot followed by Black Basta ransomware deployment.
May 6, 2024

6 min read

New capabilities to help you secure your AI transformation

Today, we’re thrilled to introduce new features for securing and governing in the age of AI.
May 2, 2024

4 min read

Microsoft named an overall leader in KuppingerCole Leadership Compass for ITDR

Today we are thrilled to announce that Microsoft has been recognized as an overall leader in the KuppingerCole Leadership Compass Identity Threat Detection and Response: IAM Meets the SOC.
May 1, 2024

15 min read

“Dirty stream” attack: Discovering and mitigating a common vulnerability pattern in Android apps

Microsoft discovered a vulnerability pattern in multiple popular Android applications that could enable a malicious application to overwrite files in the vulnerable application’s internal data storage directory, which could lead to arbitrary code execution and token theft, among other impacts.