David Mahon

As Deloitte Global Chief Information Security Officer, Dave is responsible for building and maintaining the vision, strategy, and programs necessary to secure Deloitte’s information assets, technologies, and data. He drives the continuous evolution and deployment of an enterprise-wide information risk management program and has the privilege to lead world class cybersecurity talent.

Prior to joining Deloitte in April 2018, Dave served as the Chief Security Officer (CSO) for CenturyLink, Inc. He also served as the Vice President of Corporate Security for Qwest Communications International, Inc., prior to the merger with CenturyLink where he was responsible for various corporate security programs.

As a Supervisory Special Agent with the United States Federal Bureau of Investigation (FBI), Dave 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. He managed programs related to white collar crime, crisis management, critical infrastructure protection, and violent crime.

Currently, Dave is a member of the International Security Management Association (ISMA) and Society of Former Special Agents of the FBI.