Case study: Securing AI application supply chains
Securing AI-powered applications requires more than just safeguarding prompts.
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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Turning threat reports into detection insights with AI
Security teams often spend days manually turning long incident reports and threat writeups into actionable detections by extracting TTPs. -
From runtime risk to real‑time defense: Securing AI agents
Why securing AI agents at runtime is essential as attackers find new ways to exploit generative orchestration. -
Resurgence of a multi‑stage AiTM phishing and BEC campaign abusing SharePoint
Microsoft Defender Researchers uncovered a multi‑stage AiTM phishing and business email compromise (BEC) campaign targeting multiple organizations in the energy sector. 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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A new era of agents, a new era of posture
AI agents are transforming how organizations operate, but their autonomy also expands the attack surface. -
Inside RedVDS: How a single virtual desktop provider fueled worldwide cybercriminal operations
Microsoft’s investigation into RedVDS services and infrastructure uncovered a global network of disparate cybercriminals purchasing and using to target multiple sectors. -
Phishing actors exploit complex routing and misconfigurations to spoof domains
Threat actors are exploiting complex routing scenarios and misconfigured spoof protections to send spoofed phishing emails, crafted to appear as internally sent messages. -
Defending against the CVE-2025-55182 (React2Shell) vulnerability in React Server Components
CVE-2025-55182 (also referred to as React2Shell and includes CVE-2025-66478, which was merged into it) is a critical pre-authentication remote code execution (RCE) vulnerability affecting React Server Components and related frameworks. 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.
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Imposter for hire: How fake people can gain very real access
Fake employees are an emerging cybersecurity threat. -
Shai-Hulud 2.0: Guidance for detecting, investigating, and defending against the supply chain attack
The Shai‑Hulud 2.0 supply chain attack represents one of the most significant cloud-native ecosystem compromises observed recently. -
New IDC research highlights a major cloud security shift
New IDC research shows why CISOs must move toward AI-powered, integrated platforms like CNAPP, XDR, and SIEM to reduce risk, cut complexity, and strengthen resilience. -
SesameOp: Novel backdoor uses OpenAI Assistants API for command and control
Microsoft Incident Response – Detection and Response Team (DART) researchers uncovered a new backdoor that is notable for its novel use of the OpenAI Assistants Application Programming Interface (API) as a mechanism for command-and-control (C2) communications.
