Gregory Leonard has more than 17 years of experience in software development, with an emphasis on writing large-scale enterprise applications. Greg's responsibilities over the course of his career have included application architecture and security, performing infrastructure design and implementation, providing security analysis, conducting code reviews and evaluating performance diagnostics. He is currently employed as an application security consultant at Optiv Security, Inc.
Listen to Gregory discuss "Blocking XSS attacks with Content Security Policy" in this SANS webcast.
"The content and more importantly Greg's presentation of DEV541 was exactly what I was looking for to improve my knowledge." - Gilbert Lappano, Northrop Grumman IS
"The instructor is well versed in subject and this makes the complex issues more understandable." - Mason Jackson, NGIS