Summary
Matt Edmondson is a cybersecurity founder and practitioner with over two decades teaching and investigating complex cyber incidents for U.S. federal agencies and private clients. As founder of Argelius Labs and a SANS Senior Instructor, he authors and teaches practical OSINT and digital forensics courses used by DoD, DHS, DOJ and other agencies. He holds 11 GIAC certifications (including GREM, GCFA, GPEN) and the OSCP, reflecting deep, hands-on expertise in both offensive and forensic disciplines. Matt’s background as a DHS agent gives him rare operational insight into mobile device and computer forensics that informs his pragmatic training style and consulting work. A frequent Black Hat speaker and Wired-featured SME, he excels at translating technical complexity into actionable guidance for non-technical stakeholders. Based in the Greater Tucson Area, he blends investigative tradecraft, GIS training, and open-source intelligence to solve high-stakes cyber challenges.
12 years of coding experience
Advanced Technical Training
Naval Postgraduate School
Geographic Information Systems Course GIS, Geographic Information Systems Course GIS at National Geospatial Intelligence College
SANS
Shasta College