David Mahon Email & Phone Number

I recently served as a Senior Advisor for Deloitte Global. Previously, I was appointed Deloitte Global’s Chief Information Security Officer (CISO) in April 2018 and responsible for building and maintaining the vision, strategy, and programs necessary to secure Deloitte’s information assets, technologies, and data. I drove the continuous evolution and deployment of an enterprise-wide information risk management program and had the privilege to lead world class cybersecurity talent.Formerly, I served as the Global Chief Security Officer (CSO) for CenturyLink, Inc. (Now Lumen Technologies, Inc.) I also served as the Vice President of Corporate Security for Qwest Communications International, Inc., prior to the merger with CenturyLink where I was responsible for leading the global security organization that included programs related to information security, cyber defense, physical security, critical infrastructure protection, fraud and abuse, threat intelligence, investigations as well as domestic and international law enforcement, national security and homeland security agencies. As a Supervisory Special Agent with the United States Federal Bureau of Investigation (FBI), I was responsible for investigating violations of federal statutes in which the Internet, computer systems, and networks were exploited as the targets of terrorist organizations, foreign government sponsored intelligence operations or criminal activities. I managed programs related to white collar crime, crisis management, critical infrastructure protection, and violent crime.Currently, I am a member of the International Security Management Association and Society of Former Special Agents of the FBI.

Listed skills include Security, Corporate Security, Physical Security, Business Continuity, and 34 others.