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).
Research
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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. -
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. -
Unveiling RIFT: Enhancing Rust malware analysis through pattern matching
As threat actors are adopting Rust for malware development, RIFT, an open-source tool, helps reverse engineers analyze Rust malware, solving challenges in the security industry. Modernize your Security Operations Center with Microsoft Sentinel
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Defending against evolving identity attack techniques
Threat actors continue to develop and leverage various techniques that aim to compromise cloud identities. -
New Russia-affiliated actor Void Blizzard targets critical sectors for espionage
Microsoft Threat Intelligence has discovered a cluster of worldwide cloud abuse activity conducted by a threat actor we track as Void Blizzard, who we assess with high confidence is Russia-affiliated and has been active since at least April 2024. -
Lumma Stealer: Breaking down the delivery techniques and capabilities of a prolific infostealer
Over the past year, Microsoft Threat Intelligence observed the persistent growth and operational sophistication of Lumma Stealer, an info-stealing malware used by multiple financially motivated threat actors to target various industries. -
Marbled Dust leverages zero-day in Output Messenger for regional espionage
Since April 2024, the threat actor that Microsoft Threat Intelligence tracks as Marbled Dust has been observed exploiting user accounts that have not applied fixes to a zero-day vulnerability (CVE-2025-27920) in the messaging app Output Messenger, a multiplatform chat software.
