Guidance for detecting, investigating, and defending against the Trivy supply chain compromise
Threat actors abused trusted Trivy distribution channels to inject credential‑stealing malware into CI/CD pipelines worldwide.
Microsoft Defender
Microsoft Defender helps prevent, detect, and respond to attacks across devices, identities, apps, email, data, workloads, and clouds. Explore threat intelligence, capabilities, and real-world guidance to help you get more out of Defender.
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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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Case study: How predictive shielding in Defender stopped GPO-based ransomware before it started
Microsoft Defender stopped a human-operated ransomware attack that abused Group Policy Objects (GPOs) to disable defenses and push encryption at scale. -
Secure agentic AI end-to-end
In this agentic era, security must be woven into, and around, every layer of the AI estate. -
When tax season becomes cyberattack season: Phishing and malware campaigns using tax-related lures
During tax season, threat actors reliably take advantage of the urgency and familiarity of time-sensitive emails, including refund notices, payroll forms, filing reminders, and requests from tax professionals, to push malicious attachments, links, or QR codes. Simplify endpoint management with Microsoft Intune
Microsoft Intune is a cloud-based unified endpoint management platform that empowers IT to manage, assess, and protect apps and devices.
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Storm-2561 uses SEO poisoning to distribute fake VPN clients for credential theft
Storm-2561 uses SEO poisoning to push fake VPN downloads that install signed trojans and steal VPN credentials. -
From transparency to action: What the latest Microsoft email security benchmark reveals
The latest Microsoft benchmarking data reveals how Microsoft Defender mitigates modern email threats compared to SEG and ICES vendors. -
Contagious Interview: Malware delivered through fake developer job interviews
The Contagious Interview campaign weaponizes job recruitment to target developers. -
Secure agentic AI for your Frontier Transformation
We are announcing the next step to make Frontier Transformation real for customers across every industry with Wave 3 of Microsoft 365 Copilot, Microsoft Agent 365, and Microsoft 365 E7: The Frontier Suite. Secure and verify every identity with Microsoft Entra
Microsoft Entra expands beyond identity and access management with new product categories such as cloud infrastructure entitlement management (CIEM) and decentralized identity.
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AI as tradecraft: How threat actors operationalize AI
Threat actors are operationalizing AI to scale and sustain malicious activity, accelerating tradecraft and increasing risk for defenders, as illustrated by recent activity from North Korean groups such as Jasper Sleet and Coral Sleet (formerly Storm-1877). -
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. -
Inside Tycoon2FA: How a leading AiTM phishing kit operated at scale
Tycoon2FA has become a leading phishing-as-a-service (PhaaS) platforms, enabling campaigns that reach over 500,000 organizations monthly, prompting Microsoft’s Digital Crimes Unit (DCU) to work with Europol and industry partners to facilitate a disruption of Tycoon2FA’s infrastructure and operations. -
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.
