Disrupting threats targeting Microsoft Teams
Threat actors seek to abuse Microsoft Teams features and capabilities across the attack chain, underscoring the importance for defenders to proactively monitor, detect, and respond effectively.
Microsoft Defender for Endpoint
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Investigating active exploitation of CVE-2025-10035 GoAnywhere Managed File Transfer vulnerability
Storm-1175, a financially motivated actor known for deploying Medusa ransomware and exploiting public-facing applications for initial access, was observed exploiting the deserialization vulnerability in GoAnywhere MFT’s License Servlet, tracked as CVE-2025-10035. -
XCSSET evolves again: Analyzing the latest updates to XCSSET’s inventory
Microsoft Threat Intelligence has uncovered a new variant of the XCSSET malware, which is designed to infect Xcode projects, typically used by software developers building Apple or macOS-related applications. -
Storm-0501’s evolving techniques lead to cloud-based ransomware
Financially motivated threat actor Storm-0501 has continuously evolved their campaigns to achieve sharpened focus on cloud-based tactics, techniques, and procedures (TTPs). 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.
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Microsoft ranked number one in modern endpoint security market share third year in a row
For a third year a row, Microsoft has been named the number one leader for endpoint security market share, as featured in a new IDC report. -
Think before you Click(Fix): Analyzing the ClickFix social engineering technique
The ClickFix social engineering technique has been growing in popularity, with campaigns targeting thousands of enterprise and end-user devices daily. -
Dissecting PipeMagic: Inside the architecture of a modular backdoor framework
A comprehensive technical deep dive on PipeMagic, a highly modular backdoor used by Storm-2460 masquerading as a legitimate open-source ChatGPT Desktop Application. -
Frozen in transit: Secret Blizzard’s AiTM campaign against diplomats
Microsoft Threat Intelligence has uncovered a cyberespionage campaign by the Russian state actor we track as Secret Blizzard that has been ongoing since at least 2024, targeting embassies in Moscow using an adversary-in-the-middle (AiTM) position to deploy their custom ApolloShadow malware. 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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Sploitlight: Analyzing a Spotlight-based macOS TCC vulnerability
Microsoft Threat Intelligence has discovered a macOS vulnerability, tracked as CVE-2025-31199, that could allow attackers to steal private data of files normally protected by Transparency, Consent, and Control (TCC), including the ability to extract and leak sensitive information cached by Apple Intelligence. -
Disrupting active exploitation of on-premises SharePoint vulnerabilities
Microsoft has observed two named Chinese nation-state actors, Linen Typhoon and Violet Typhoon, exploiting vulnerabilities targeting internet-facing SharePoint servers. -
Microsoft is named a Leader in the 2025 Gartner® Magic Quadrant™ for Endpoint Protection Platforms
We are honored to be recognized once again as a Leader in the 2025 Gartner® Magic Quadrant™ for Endpoint Protection Platforms—our sixth consecutive time. -
Jasper Sleet: North Korean remote IT workers’ evolving tactics to infiltrate organizations
Since 2024, Microsoft Threat Intelligence has observed remote IT workers deployed by North Korea leveraging AI to improve the scale and sophistication of their operations, steal data, and generate revenue for the North Korean government.
