As the lead Red Team consultant and founder of 3L337 Consulting, LLC, Timothy specializes in orchestrating Purple Team breach and attack simulations, leading scenario-based Red Team exercises, and conducting network and web application penetration tests. His mission is to collaborate with highly skilled offensive security teams to expose vulnerabilities and demonstrate the potential impact of determined, sophisticated adversaries.
Timothy's expertise is supported by numerous industry-recognized certifications, including GPEN, GWAPT, GXPN, GAWN, GPYC, and GWEB. He is a frequent speaker at events such as ISSA, ICBA, and others. Timothy also serves as a member of the GIAC Advisory Board, contributing his insights to the field of cybersecurity.
Since 2013, Timothy has been committed to sharing his knowledge through the SANS Institute. As a SANS Principal Instructor, he teaches SEC588: Cloud Penetration Testing and SEC542: Web App Penetration Testing and Ethical Hacking, the latter of which he co-authors. Timothy is passionate about mentoring, both in and out of the classroom, and believes that “there’s not much value in putting information in my head if I am not going to share it with those around me. Teaching opens the door to offering what I know to others.”
