Malicious npm packages abuse dependency confusion to profile developer environments
A dependency confusion campaign leveraged 33 malicious npm packages to collect reconnaissance data from developer and build environments.
Actionable threat insights
Get timely insights into emerging vulnerabilities, first‑finder discoveries, and evolving cyberattacker behaviors. Explore deep research and real‑world Microsoft Defender scenarios that show how proactive detection and quick action help organizations prevent compromise.
Refine results
Topic
Threat intelligence
Products and services
Publish date
-
-
Typosquatted npm packages used to steal cloud and CI/CD secrets
The Mini Shai-Hulud campaign used malicious npm packages to target cloud and CI/CD credentials across developer environments. -
From poisoned search results to GPU mining: A cryptojacking campaign abusing ScreenConnect and Microsoft .NET utilities
Microsoft exposes a cryptojacking campaign using SEO poisoning and ScreenConnect to target high-performance PCs, with malicious sites also surfaced through AI chatbots. -
From edge appliance to enterprise compromise: Multi-stage Linux intrusion via F5 and Confluence
A multi-stage attack on Linux devices began with an exposed F5 BIG-IP edge appliance and pivoted to an internal Confluence server for credential theft and identity compromise. 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.
-
Mini Shai Hulud: Compromised @antv npm packages enable CI/CD credential theft
Compromised @antv npm packages deploy the Mini Shai-Hulud payload to steal CI/CD secrets from Linux-based automation environments. -
Introducing RAMPART and Clarity: Open source tools to bring safety into Agent development workflow
The AI systems shipping inside enterprises today are fundamentally different from the ones we were building even two years ago, because they have moved well past answering questions and into accessing your email, retrieving records from your CRM, writing and executing code, and taking actions on your behalf across dozens of connected systems. -
How Storm-2949 turned a compromised identity into a cloud-wide breach
Storm-2949 turned stolen credentials into a cloud-wide breach, moving from identity compromise to large-scale data theft without using malware. -
Defense in depth for autonomous AI agents
As AI agents gain autonomy, defense in depth must evolve, with application-layer design, identity, and human oversight at the center. Modernize your Security Operations Center with Microsoft Sentinel
Microsoft Sentinel is a cloud-native SIEM solution powered by AI and automation that delivers intelligent security analytics across your entire enterprise.
-
When configuration becomes a vulnerability: Exploitable misconfigurations in AI apps
Exposed UIs, weak authentication, and risky defaults could turn cloud-native AI apps on Kubernetes into potential targets by threat actors. -
Accelerating detection engineering using AI-assisted synthetic attack logs generation
What if you could generate realistic attack telemetry on demand? Explore research methods that translate attacker behaviors (TTPs) into synthetic logs that can trigger detections at scale and without sensitive data. -
Undermining the trust boundary: Investigating a stealthy intrusion through third-party compromise
Microsoft Incident Response investigated an attack operated through legitimate and trusted administrative mechanisms to blend seamlessly into routine operations and remain undetected demonstrating that intrusions have increasingly avoided using noisy exploits, obvious malware, or custom tooling, instead leveraging systems that organizations already trust within their environments. -
Active attack: Dirty Frag Linux vulnerability expands post-compromise risk
Dirty Frag is a newly disclosed Linux local privilege escalation vulnerability affecting kernel networking and memory-fragment handling components including esp4, esp6, and rxrpc.
