Explore the critical discussions on cybersecurity policy, strategy, and operations at the 2021 Aspen Cyber Summit's first day. Delve into the theme of systemic cyber risk as government and industry leaders address the most dangerous sources of cyber threats affecting regional, national, and international scales. Gain insights into the Biden Administration's cybersecurity priorities, the mission of key organizations, and challenges in the field. Learn about initiatives like the Joint Cyber Defense Collaborative (JCDC), mandatory cyber incident reporting, and efforts to secure election infrastructure. Examine the growing complexity and interdependence of cyber systems, examples of systemic risk, and strategies for prioritization. Discover approaches to managing billions of connected devices, the importance of transparency in regulation, and the role of cyber philanthropy in addressing these challenges.