Gregory C. Rasner
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Gregory C. Rasner

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Gregory is a CEO, author, educator, speaker, and leader in cybersecurity, zero trust, and third-party risk. With over 25 years of experience in IT and cybersecurity, he has assisted numerous clients and organizations in improving their security posture and reducing risk exposure. Gregory is also the author of two books published by Wiley: “Cybersecurity & Third-Party Risk: Third-Party Threat Hunting” (2021) and “Zero Trust and Third-Party Risk: Reduce the Blast Radius” (2023). He is the content creator of the training and certification program “Third-Party Cyber Risk Assessor” with the Third Party Risk Association (TPRA). Recently, he launched a 4-hour certificate course with TPRA called “Securing SaaS Applications.” He has a third book coming out in Summer 2025, co-authored with his wife, Maria Rasner, titled “Privileged Access Management: A Guide to Zero Trust in the Enterprise.” He has won several awards and honors for his innovation and leadership, such as the CSO40 Award and the Security Professional of the Year finalist. He is a frequent keynote speaker, panelist, blogger, podcaster, and online article writer on cybersecurity and risk management topics. He was the SVP and leader for cyber third-party risk at Truist Financial Corp, where he led a team of 20+ cyber professionals and managed the enterprise risk posed by vendors. He holds a BA from Claremont McKenna College, a master's certificate in project management from Villanova University, and multiple certifications in IT, cybersecurity, and project management. He is passionate about cybersecurity and enjoys traveling internationally with his family.
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