Malicious AI Assistant Extensions Harvest LLM Chat Histories
Malicious AI browser extensions collected LLM chat histories and browsing data from platforms such as ChatGPT and DeepSeek.
Defending against advanced tactics
Learn how Microsoft Defender counters the latest cyberattacker techniques—from automated and AI‑powered threats to supply chain and identity‑based attacks. See how customers are using advanced defenses to reduce exposure across their environments.
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Signed malware impersonating workplace apps deploys RMM backdoors
Signed malware backed by a stolen EV certificate deployed legitimate RMM tools to gain persistent access inside enterprise environments. -
OAuth redirection abuse enables phishing and malware delivery
OAuth redirection is being repurposed as a phishing delivery path. -
Threat modeling AI applications
AI threat modeling helps teams identify misuse, emergent risk, and failure modes in probabilistic and agentic AI systems. 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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Developer-targeting campaign using malicious Next.js repositories
A developer-targeting campaign leveraged malicious Next. -
Running OpenClaw safely: identity, isolation, and runtime risk
Self-hosted agents execute code with durable credentials and process untrusted input. -
Unify now or pay later: New research exposes the operational cost of a fragmented SOC
New research from Microsoft and Omdia reveals how fragmented tools, manual workflows, and alert overload are pushing SOCs to a breaking point. -
Detecting and mitigating common agent misconfigurations
Agents are increasingly powerful. With that power comes risk: small misconfigurations, over‑broad sharing, unauthenticated access, and weak orchestration controls can create real exposure. 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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Manipulating AI memory for profit: The rise of AI Recommendation Poisoning
That helpful “Summarize with AI” button? It might be secretly manipulating what your AI recommends. -
Analysis of active exploitation of SolarWinds Web Help Desk
We are seeing exploitation of SolarWinds Web Help Desk via CVE‑2025‑40551 and CVE‑2025‑40536 that can lead to domain compromise; here is how to patch, hunt, and mitigate now. -
New Clickfix variant ‘CrashFix’ deploying Python Remote Access Trojan
CrashFix crashes browsers to coerce users into executing commands that deploy a Python RAT, abusing finger. -
Infostealers without borders: macOS, Python stealers, and platform abuse
How modern infostealers target macOS systems, leverage Python‑based stealers, and abuse trusted platforms and utilities to distribute credential‑stealing payloads.
