Jonathon is a Senior Lead Analyst for the Industrial Control Systems Group within the Threat Hunt ICS Incident Response Team at the Cybersecurity Infrastructure Security Agency (CISA) at the Department of Homeland Security. Before working for DHS, Jon supported the Department of Energy dealing with all aspects of the infrastructure. An experienced professional, he has worked in various areas of cybersecurity, information technology and communications security, specializing in incident response, industrial control systems, internet and digital telecommunications architecture, and security awareness over the past 35 years. He served previously as the Acting Chief of the Industrial Control Systems Group (formerly of ICS-CERT) within Hunt and Incident Response Team for nearly 2 years.