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 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 leads North America's incident response efforts for the Cybersecurity practice, guiding teams of experts to effectively address sophisticated ransomware attacks, business email compromise, cyber extortion, data exfiltration and cyber espionage sponsored by nation-states and other advanced persistent threat actors. This includes device threats such as mobile spyware, mobile exploits and mobile espionage. He also provides cybersecurity expertise in a broad range of matters involving litigation support and complex investigations, breach response, crisis management, botnet takedowns, cybersecurity assessments, source code review, regulatory compliance and advanced threat detection and prevention.

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 nation-state cyber attacks and threats from other cyber criminal groups.

Before his role at Citi’s Fusion Center, Mr. Youssef 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. In this role, 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 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 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 in which experts from government, private sector and academia gather to share critical intelligence on issues shaping the future of cybersecurity.