Gordon MacKay, CISSP, serves as CTO for Digital Defense, Inc. He applies mathematical modeling and engineering principles in investigating solutions to many of the challenges within the information security space. His solution to matching network discovered hosts within independent vulnerability assessments across time resulted in achieving patent-pending status for the company's scanning technology.

MacKay has presented at numerous security related conferences, including RSA 2013, Bsides Austin 2016, BSides SATX 2016, BSides Dallas 2015, ISC2 Alamo Chapter, ISSA Houston, ISACA San Antonio, many others, and has been featured by top media outlets such as CIO Review, FOX Business, Softpedia, IT World Canada and others.

He holds a Bachelor's in Computer Engineering from McGill University. He is a Distinguished Ponemon Institute Fellow.