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The MCP Confused Deputy: Provenance Gaps, Instruction Injection, and DNS Rebinding in the Model Context Protocol

The Model Context Protocol is the connective tissue between LLMs and external systems — filesystems, databases, APIs, browsers, internal tooling. In a…

mcp confuseddeputy promptinjection dnsrebinding

RedSun turned Defender into a write primitive

Opening position RedSun describes a defect in Windows Defender's remediation pipeline where the act of cleaning a detected file became a primitive for…

windowsdefender redsun privilegeescalation confuseddeputy