About the author

Emmanuel Guilherme Jr. is a Senior Global Information Technology Auditor and AI security researcher based in Toronto, Canada.

He co-leads the Data Security Initiative of the OWASP GenAI Security Project. He serves as a Candidate Expert on Canada's mirror committee for ISO/IEC JTC 1/SC 42.

He proposed the exact Shadow AI / DLP control implemented at a Tier 1 global multinational on a Microsoft-centric stack (Defender, Purview, Sentinel) plus CrowdStrike. This repo is the generalized, public version of that work.

Find him at LinkedIn · GitHub.

Cite this work

Guilherme Jr., E. (2026). Shadow AI Defense (Version 0.1.0). https://shadowaidefense.dev