FDD sponsors educational opportunities for mid-career U.S. national security professionals. Alumni of these
programs are not FDD employees and join FDD’s National Security Network (NSN).
National Security Network Participant
National Security Network Participant
Jonathan Halperin
Cybersecurity and Infrastructure Security Agency
Biography
Last updated: Mar 25, 2025
Jonathan Halperin is a senior technical strategist at the Joint Cyber Defense Collaborative (JCDC) within CISA. Previously, he led a deployable incident response team, which the U.S. government deployed when a critical infrastructure partner exhausted its ability to respond to a cybersecurity incident. At JCDC, Jonathan focuses on protecting critical infrastructure and combating ransomware. He was the lead author of “Questions Every CEO Should Ask About Cyber Risks.” Outside of cybersecurity, he enjoys cooking and attending Washington Capitals hockey games.