Antonio “Johnny” Martinelli
GRIMM
Director of Training
Johnny is a predominant personality in the Information Security community and is currently the Director of Cybersecurity Training with the Grimm Security Engineering firm. He is most well-known for his work on the American TSA Master Key leaks between 2014 and 2018 and the Venmo public feed scraping exposures in 2018. Past experience includes partnering with Australian firm 'Kasada' to defend against the automated abuse of web infrastructure and as the lead consultant on Uptake, Inc's Industrial Cybersecurity Platform. Prior to this, he spent many years in the field as a penetration tester, focusing heavily on both IT and physical security of financial and medical facilities, Security Engineer for a global Fortune 500 retail corporation, and Mainframe auditor and Systems Engineer for several IT asset recovery firms.