
Ryan Armstrong is the Manager of Application Security Services at Digital Boundary Group (DBG). Ryan began his infosec career as an application penetration tester and security consultant following completion of his PhD in Biomedical Engineering at Western University (Canada). With a passion for teaching and training, Ryan leads training of application security specialists at DBG, occasionally teaches application security courses at a nearby college in his spare time, and tries to make niche application security testing YouTube content with the time that is left. Drawing on his academic and science advocacy experiences, Ryan hopes to bring more empirical approaches to offensive security testing.
© 2026 Ryan Armstrong.