Rob Ragan & Alex DeFreese

Principal Security Researcher & Managing Security Associate at Bishop Fox

Rob Ragan is a principal researcher at Bishop Fox, where he focuses on solutions and strategy as well as fostering industry relationships. His areas of expertise include continuous penetration testing and red teaming. He is developing research to improve Bishop Fox's capabilities in scalable continuous assessment. Rob has presented at Black Hat, DEF CON, RSA, and Interop. He is a contributing author to "Hacking Exposed Web Applications." Rob has 15 years of security experience.

Alex DeFreese is a managing security associate at Bishop Fox. In this role, Alex focuses on web application penetration testing, social engineering, and internal network penetration testing. Alex has extensive experience performing large-scale penetration tests against enterprise web applications. Outside of client-facing projects, Alex's personal research encompasses email spoofing and technical controls for defending against social engineering.


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