Explore industrial control systems (ICS) open-source intelligence (OSINT) from an attacker's perspective in this 32-minute RSA Conference talk. Gain insights from Amy Bejtlich and Selena Larson of Dragos, Inc. as they delve into how adversaries leverage freely available data for reconnaissance in planning ICS attacks. Learn about ICS-specific OSINT techniques, key terms, and resources used by attackers. Discover the importance of OSINT in cybersecurity, its various applications, and the process of gathering intelligence. Examine real-world use cases involving vendor links, job postings, energy maps, and LinkedIn profiles. Understand the defender's perspective and the Ellison Collection Vulnerability Matrix to enhance your organization's security posture. Equip yourself with knowledge to decrease your attack surface and increase adversary friction in the realm of industrial control systems.