35+ Cyber Security Courses at SANS Security West 2018! Save up to $400 thru 3/21.


Gregory Leonard

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

Upcoming Courses Taught By Gregory Leonard
Type Course / Location Date Register

Training Event
SANS 2018 Orlando, FL
Apr 3, 2018 -
Apr 10, 2018

Training Event
SANS Security West 2018 San Diego, CA
May 11, 2018 -
May 18, 2018

Training Event
SANSFIRE 2018 Washington, DC
Jul 14, 2018 -
Jul 21, 2018

Training Event
SANSFIRE 2018 Washington, DC
Jul 14, 2018 -
Jul 21, 2018

Training Event
SANS Network Security 2018 Las Vegas, NV
Sep 23, 2018 -
Sep 30, 2018

Training Event
SANS Brussels October 2018 Brussels, Belgium
Oct 8, 2018 -
Oct 13, 2018

Secure DevOps Summit & Training 2018 Denver, CO
Oct 22, 2018 -
Oct 29, 2018

*Course contents may vary depending upon location, see specific event description for details.