Identity at the Center29 Sep 2025

#376 - Understanding Device Identity in a Zero Trust Framework with Shea McGrew

In this episode of the Identity at the Center podcast, hosts Jeff and Jim dive into the concept of device identity within a Zero Trust framework. They are joined by Shea McGrew, CTO of Maricopa County Arizona, who provides insights into the importance of managing not just human but also device identities. The discussion explores the philosophical debate on whether machines can have identities, Zero Trust principles, and their application in a diverse and semi-autonomous organizational structure like that of the county government. Shea also shares her career journey, emphasizing the importance of curiosity, customer service, and continuous learning in IT. The episode wraps up with a light-hearted conversation on the never-ending pursuit of knowledge.

Connect with Shea: https://www.linkedin.com/in/shea-m-6b82a36/

Timestamps:

00:00 Introduction and Podcast Theme

00:17 Defining Identity in Cybersecurity

01:34 Debate: Can Non-Humans Have Identities?

01:57 Guest Introduction: Shea McGrew

04:15 Shea's Career Journey and Role as CTO

09:28 Challenges and Rewards of Being a CTO

11:41 Identity Strategy at Maricopa County

14:48 Device Identity and Zero Trust Architecture

29:56 Managed vs. Unmanaged Devices

40:15 Understanding the NIST Framework

42:52 Balancing Technology and People

43:58 Training and Partner Collaboration

48:03 Organizational Change Management

50:40 Future of Device Identity

54:40 Debating Machine Identity

01:06:36 Curiosity as an Olympic Sport

01:13:00 Conclusion and Final Thoughts

Connect with us on LinkedIn:

Jim McDonald: https://www.linkedin.com/in/jimmcdonaldpmp/

Jeff Steadman: https://www.linkedin.com/in/jeffsteadman/

Visit the show on the web at http://idacpodcast.com

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