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JadeProx Shows Why China-Nexus Intrusions Still Start With Basic ExposureAPT34 Shows Why Identity Infrastructure Is Iran’s Quietest Attack PathAI Malware Analysis Agents Need Human-Led Quality GatesTrickBot DNS Tunneling Shows Why DNS Is a Malware Control PlaneBitLocker Extortion Shows Why Misconfiguration Is Still Ransomware’s ShortcutProject CAV3RN Turns Outlook Calendars and DNS Into Covert C2Qilin Turns GlobalProtect VPN Exposure Into Ransomware Initial AccessHugging Face Breach Shows AI Pipelines Are Now Production Attack SurfaceTELESHIM Shows Why Telegram C2 Belongs in Government Intrusion HuntsGoSerpent Shows Why Quiet Data Collection Is the Real Espionage RiskNGINX CVE-2026-42533 Turns Reverse Proxy Configs Into Patch PrioritiesChrome Critical Fixes Put Browser Patch Cadence Back on the Clock7-Zip XZ RCE Fix Turns Archive Handling Into a Patch Prioritywp2shell Turns WordPress Core Into a Patch-Now Web Risk

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Project CAV3RN Turns Outlook Calendars and DNS Into Covert C2
General CTI·Jul 21, 2026·27 IOCs

Project CAV3RN Turns Outlook Calendars and DNS Into Covert C2

Kaspersky reported a Project CAV3RN module that abuses Microsoft Outlook calendar events and DNS AAAA records for covert command-and-control. Here is what SMBs and government contractors should monitor in Microsoft Graph, Entra ID, endpoint, and DNS logs.

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Cyber threat intel, AI, and tech worth your attention, what we're tracking that day, with a "why it matters" line on every item. Most weekdays. No fluff.