Prior to joining SANS Institute, Jeff worked at Rockwell Automation for twenty-three years where his most recent role was a Sr. Security Architect for Rockwell Automation's Commercial Engineering group focused on network and security designs for Industrial Automation Control Systems (IACS) and Industrial Demilitarized Zones (IDMZ). Mr. Shearer was a contributing member of the Rockwell Automation and Cisco Systems Converged Plantwide Ethernet (CPwE) team where he participated in architecture design and validation efforts. He also co-authored publications such as Deploying Industrial Firewalls within a Converged Plantwide Ethernet Architecture, Site-to-Site VPN to a Converged Plantwide Ethernet Architecture and Securely Traversing IACS Data across the Industrial Demilitarized Zone.
ADDITIONAL CONTRIBUTIONS BY JEFF SHEARER:
ICS Hot Take videos on SANS ICS YouTube