Is the Network Architecture Right for You?

At that level in the industrial control environment, at the high level of the network, that is absolutely the approach. And and so architecture is, again, i will say, it's affordable. But having said that, mal still is the number one way to get into any organization,. Still see adversaries break into i t and somehow craft an attack for i c s.

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With ransomware and other highly disruptive attacks on the rise, there are few systems more important to defend than our critical infrastructure and ICS equipment. How should we think about defending these systems vs our typical IT network though? In this episode, Dean Parsons is here to give us that answer.

Our Guest - Dean Parsons

Dean brings over 20 years of technical and management experience to the classroom. He has worked in both Information Technology and Industrial Control System (ICS) Cyber Defense in critical infrastructure sectors such as telecommunications, and electricity generation, transmission, distribution, and oil & gas refineries, storage, and distribution. Dean is an ambassador for defending industrial systems and an advocate for the safety, reliability, and cyber protection of critical infrastructure. His mission as an instructor is to empower each of his students, and he earnestly preaches that “Defense is Do-able!”

Over the course of his career, Dean’s accomplishments include establishing entire ICS security programs for critical infrastructure sectors, successfully containing and eradicating malware and ransomware infections in electricity generation and manufacturing control networks, performing malware analysis triage and ICS digital forensics, building converged IT/OT incident response and threat hunt teams, and conducting ICS assessments in electric substations, oil and gas refineries, manufacturing, and telecommunications networks.

A SANS Certified Instructor, Dean teaches ICS515: ICS Visibility, Detection, and Response and is a co-author of the new SANS Course ICS418: ICS Security Essentials for Managers. Dean is a member of the SANS GIAC Advisory Board and holds many cybersecurity professional certifications including the GICSP, GRID, GSLC, and GCIA, as well as the CISSP®. He is a proud native of Newfoundland and holds a BS in computer science from Memorial University of Newfoundland.

Follow Dean Parsons

Twitter: https://twitter.com/deancybersec

LinkedIn: https://www.linkedin.com/in/dean-parsons-cybersecurity/

Resources mentioned in this episode

OSINT / Site-visit Cheat Sheet

https://www.sans.org/posters/ics-site-visit-plan/

ICS Cyber Kill Chain Whitepaper:

https://www.sans.org/white-papers/36297/?msc=blog-ics-library

ICS specific Network Security Monitoring:

https://www.sans.org/posters/industrial-network-security-monitoring/

Top 5 ICS Incident Response Tabletops

https://www.sans.org/blog/top-5-ics-incident-response-tabletops-and-how-to-run-them/