Microsoft Security Blog microsoft.com

Cookie-controlled PHP webshells: A stealthy tradecraft in Linux hosting environments

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Mitigating the Axios npm supply chain compromise

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The threat to critical infrastructure has changed. Has your readiness?

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Applying security fundamentals to AI: Practical advice for CISOs

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WhatsApp malware campaign delivers VBS payloads and MSI backdoors

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Addressing the OWASP Top 10 Risks in Agentic AI with Microsoft Copilot Studio

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How Microsoft Defender protects high-value assets in real-world attack scenarios

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Identity security is the new pressure point for modern cyberattacks

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Guidance for detecting, investigating, and defending against the Trivy supply chain compromise

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Governing AI agent behavior: Aligning user, developer, role, and organizational intent

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Case study: How predictive shielding in Defender stopped GPO-based ransomware before it started

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CTI-REALM: A new benchmark for end-to-end detection rule generation with AI agents

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Microsoft at RSAC Conference March 22-26: Secure agentic AI end-to-end

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New tools and guidance: Announcing Zero Trust for AI

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When tax season becomes cyberattack season: Phishing and malware campaigns using tax-related lures

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Observability for AI Systems: Strengthening visibility for proactive risk detection

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New Microsoft Purview innovations for Fabric to safely accelerate your AI transformation

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Help on the line: How a Microsoft Teams support call led to compromise

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Storm-2561 uses SEO poisoning to distribute fake VPN clients for credential theft

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From transparency to action: What the latest Microsoft email security benchmark reveals

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