David J. Youssef

David J. Youssef has more than 15 years of experience working as a cybersecurity professional in both private industry and academia. Mr. Youssef has extensive knowledge in the fields of incident response, crisis management, advanced threat research, malware analysis, cyber resiliency, cloud security engineering, offensive security and secure software development.

At FTI Consulting, Mr. Youssef provides cybersecurity expertise in a broad range of matters involving litigation support and complex investigations, breach response, crisis management, botnet takedowns, advanced cybersecurity assessments, source code review, cyber-regulatory compliance and advanced threat detection and prevention. Currently, Mr. Youssef leads North America’s incident response efforts for the Cybersecurity practice. In this capacity, he guides teams of experts in effectively addressing sophisticated cyber threats. His leadership extends to managing responses to challenges such as ransomware attacks, business email compromises, cyber extortions, data exfiltration, and cyber espionage sponsored by nation-states and other advanced persistent threat actors.

Prior to joining FTI Consulting, Mr. Youssef served as Vice President and Global Lead of the Integrated Cyber Threat Analysis Team at Citigroup’s Cyber Security Fusion Center. There, he coordinated Citi’s intelligence-led, threat-focused approach to incident avoidance and risk reduction. Mr. Youssef was the lead coordinator of response efforts during critical cyber events and crises, orchestrating evidence collection, intelligence integration and mitigation efforts among Fusion Center teams. In addition, he spearheaded the creation of an interdisciplinary Advanced Persistent Threat hunt capability that focused on proactively defending and protecting against sophisticated nation-states and cyber-criminal groups.

Before Mr. Youssef's role at Citi’s Fusion Center, he served as Assistant Vice President for Citi Security and Investigative Services, responding to global cyber incidents and specializing in digital forensics, electronic crimes and malware analysis. He actively engaged in liaison activities with various U.S.-based and international law enforcement and government agencies to best understand emerging cyber threats, and he aided in the disruption of several malware botnet cyber criminal rings.

Mr. Youssef was an Adjunct Professor of Cybersecurity at Fordham University, where he taught various graduate and undergraduate courses on topics including incident response, digital forensics, network security, penetration testing and critical infrastructure. Also at Fordham, Mr. Youssef served on the organizing committee of the International Conference on Cyber Security (“ICCS”), an annual summit held in partnership with the Federal Bureau of Investigation (“FBI”) in which experts from the government, the private sector and academia gather to share critical intelligence on issues shaping the future of cybersecurity.