Alex Tatistcheff Author

Todd Lammle, CCSI and SFCP (SourceFire Certified Professional), is the authority on Cisco networking. President of GlobalNet Training & Consulting, Inc., a network integration and training firm, Todd has worked with Fortune 500 companies for nearly 35 years. His Cisco book sales have reached almost 1,000,000 copies in print. John Gay is a Field Security Enablement Lead with Cisco Systems. Prior to Cisco's acquisition of Sourcefire, John served as Director of Instructional Delivery. He has worked in the security industry for over 15 years. Alex Tatistcheff, CISSP, GPEN, GCIH, GCIA, SFCE, is currently a Network Consulting Engineer for Cisco Security Solutions specializing in FireSIGHT. Prior to Cisco's acquisition of Sourcefire, he worked for over five years as a Senior Security Instructor.