David L. Best Jr. is a Senior Director in FTI Consulting’s Cybersecurity practice and is based in Philadelphia. Mr. Best has over 15 years of experience in cybersecurity with strong expertise in penetration testing, vulnerability assessments, incident response, digital forensics, investigations, and cybersecurity risk assessments.
Mr. Best has extensive experience providing penetration testing, incident response, and investigative support to Fortune 500 clients facing insider threats, ransomware attacks, data breaches, and other compromises. In a recent engagement for a major technology company hit with sophisticated ransomware, Mr. Best conducted hardware imaging and analysis to determine the strain of ransomware and available options. Working around the clock for nearly 72 hours, Mr. Best and the team helped decrypt files and bring the servers successfully back online.
Mr. Best also leads the vulnerability assessment and penetration test teams. In a recent engagement for a major media company, Mr. Best successfully compromised the client’s critical systems and obtained control of sensitive client data.
Prior to FTI Consulting, Mr. Best was a Lead Computer Scientist for the Federal Bureau of Investigation (FBI) Philadelphia Division, where he led investigations for computer-related matters out of the Cyber, Counterterrorism, Counterintelligence, and Criminal Divisions. During his time there, Mr. Best designed, developed, and implemented custom cyber tools for the use of identification preservation and analysis of digital evidence for cyber investigations. As a result, his leadership abilities were expanded to oversee technical leadership development activities for security projects, practices, and methodologies. He was involved in exploring joint venture opportunities with several government agencies. He managed a diverse project portfolio where he assisted and managed high priority cyber attacks against the United States Intelligence Community (USIC).
From 2011 to 2015, Mr. Best served as a Capabilities Development Specialist for the National Security Agency (NSA) at Fort Meade, MD, where he led a team of developers in the development and integration of a sophisticated application that advanced the United States intelligence collection capabilities across various information systems. In addition, Mr. Best was an integral member of a team of engineers that worked on special projects that resulted in the development of applications to collect, process, and forward United States intelligence.