Research

Explore in-depth research on the latest cybersecurity threats, trends, and defense strategies. Get insights from Microsoft that’ll help you better understand and respond to today’s challenges.

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Tailored AI insights from Microsoft Security Copilot
Empower your defenders to detect hidden patterns, harden defenses, and respond to incidents faster with generative AI.
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April 23

14 min read

Understanding the threat landscape for Kubernetes and containerized assets

The dynamic nature of containers can make it challenging for security teams to detect runtime anomalies or pinpoint the source of a security incident, presenting an opportunity for attackers to stay undetected.
April 15

10 min read

Threat actors misuse Node.js to deliver malware and other malicious payloads

Since October 2024, Microsoft Defender Experts has observed and helped multiple customers address campaigns leveraging Node.
April 9

13 min read

Stopping attacks against on-premises Exchange Server and SharePoint Server with AMSI

Exchange Server and SharePoint Server are business-critical assets and considered crown-jewels for many organizations, making them attractive targets for attacks.
April 8

7 min read

Exploitation of CLFS zero-day leads to ransomware activity

Microsoft Threat Intelligence Center (MSTIC) and Microsoft Security Response Center (MSRC) have discovered post-compromise exploitation of a newly discovered zero-day vulnerability in the Windows Common Log File System (CLFS) against a small number of targets.
Go beyond data protection with Microsoft Purview
Govern, protect, and manage all of your data with Microsoft Purview, comprehensive solutions to help give you better visibility and control.
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April 3

13 min read

Threat actors leverage tax season to deploy tax-themed phishing campaigns

As Tax Day approaches in the United States on April 15, Microsoft has detected several tax-themed phishing campaigns employing various tactics.
March 31

13 min read

Analyzing open-source bootloaders: Finding vulnerabilities faster with AI

Using Microsoft Security Copilot to expedite the discovery process, Microsoft has uncovered several vulnerabilities in multiple open-source bootloaders impacting all operating systems relying on Unified Extensible Firmware Interface (UEFI) Secure Boot.
March 17

13 min read

StilachiRAT analysis: From system reconnaissance to cryptocurrency theft

Microsoft Incident Response uncovered a novel remote access trojan (RAT) named StilachiRAT, which demonstrates sophisticated techniques to evade detection, persist in the target environment, and exfiltrate sensitive data.
March 13

10 min read

Phishing campaign impersonates Booking.com, delivers a suite of credential-stealing malware

Microsoft Threat Intelligence identified a phishing campaign that impersonates online travel agency Booking.
Streamline privacy management with Microsoft Priva
Protect and govern personal information, reduce privacy risks, and manage subject rights requests at scale with Microsoft Priva privacy risk management solutions.
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March 11

22 min read

New XCSSET malware adds new obfuscation, persistence techniques to infect Xcode projects

Microsoft Threat Intelligence has uncovered a new variant of XCSSET, a sophisticated modular macOS malware that infects Xcode projects, in the wild.
March 6

32 min read

Malvertising campaign leads to info stealers hosted on GitHub

Microsoft detected a large-scale malvertising campaign in early December 2024 that impacted nearly one million devices globally.
March 5

13 min read

Silk Typhoon targeting IT supply chain

Silk Typhoon is a Chinese state actor focused on espionage campaigns targeting a wide range of industries in the US and throughout the world.
February 13

10 min read

Storm-2372 conducts device code phishing campaign

Microsoft Threat Intelligence Center discovered an active and successful device code phishing campaign by a threat actor we track as Storm-2372.