Organized and sponsored by the Dean Rusk Center for International Law and Policy, Cybersecurity and National Defense: Building a Public-Private Partnership was a daylong conference exploring issues related to the national security dimensions of cyber attacks as well as the role of the private sector in addressing cybersecurity risks. The overarching theme was the scope of public-private collaboration in addressing cybersecurity risks and the potential for future cooperation between government and the private sector. Clete D. Johnson, Chief Counsel for Cybersecurity at the Federal Communications Commission gave a lunchtime address on the FCC’s approach to communications security in the Internet era. The transcript of the conference proceedings has been edited for publication with the consent of the speakers