Microsoft working on Defender patch for RoguePlanet zero-day

Published on June 17, 2026

Microsoft confirmed that it's working on a security patch for a Defender zero-day vulnerability named "RoguePlanet," disclosed one week ago. [...]

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144 Mastra npm Packages Compromised via Hijacked Contributor Account

June 17, 2026
As many as 144 npm packages associated with the Mastra namespace ("@mastra/*"), a popular open-source JavaScript and TypeScript framework for building artificial intelligence (AI) applications, have been compromised as part of a software supply chain attack codenamed easy-day-js, per findings from JFrog, SafeDep, Socket, and StepSecurity."A single npm account (ehindero) mass-published more

Malicious JetBrains Plugins Steal AI API Keys as Chrome Extensions Capture Chatbot Chats

June 17, 2026
Cybersecurity researchers have flagged a "coordinated malware campaign" on the JetBrains Marketplace that has published no less than 15 malicious plugins capable of exfiltrating artificial intelligence (AI) provider keys."Every plugin poses as an AI coding assistant built on DeepSeek and other large language models, offering chat, commit messages, code review, bug finding, and unit tests,"