Against the backdrop of the Biden administration's release of the National Cyber Security Strategy, the Leadership, Ethics, and Practice Initiative invites Brig. Gen. Matteo G. Martemucci to discuss U.S. Cyber Command's approach to cyberspace policy and national cyber security. Learn about the challenges of operating in cyber, the ethical issues in a domain that includes everyday users and malign actors, and Gen Martemucci's views on cyber defense.