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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IDC Worldwide Corporate Endpoint Security Market Shares report for 2023 ranks Microsoft number one in market share with a 40. -
Chained for attack: OpenVPN vulnerabilities discovered leading to RCE and LPE
Microsoft researchers found multiple vulnerabilities in OpenVPN that could lead to an attack chain allowing remote code execution and local privilege escalation. -
Ransomware operators exploit ESXi hypervisor vulnerability for mass encryption
Microsoft Security researchers have observed a vulnerability used by various ransomware operators to get full administrative access to domain-joined ESXi hypervisors and encrypt the virtual machines running on them. -
Onyx Sleet uses array of malware to gather intelligence for North Korea
On July 25, 2024, the United States Department of Justice (DOJ) indicted an individual linked to the North Korean threat actor that Microsoft tracks as Onyx Sleet. -
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. -
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). -
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. -
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. -
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. -
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. -
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. -
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.