Reg Harnish

CEO, GreyCastle Security

Reg Harnish is an entrepreneur, speaker, author and CEO of GreyCastle Security, a leading cybersecurity firm headquartered in Troy, New York.

With two decades of experience practicing cybersecurity, Reg brings a thought-provoking perspective to the industry which has earned him many prestigious recognitions, including fellowship at the National Cybersecurity Institute and the designation of Cybersecurity Consultant of the Year in North America for 2017 and 2018.

Reg is a nationally-recognized speaker and has presented at countless industry and security events for organizations including Security BSides, ISSA, ISC2, ISACA, and InfraGard.

In addition to co-authoring several books on cybersecurity awareness, he is a contributor for Forbes.com as a member of the Forbes Technology Council, an invitation-only organization for senior-level technology executives. His successes and expert commentary also have been featured in Time, CIO Magazine, Dark Matter, Software Magazine, ComputerWorld, InfoWorld and Security Magazine.


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