Defending the DNS: How Quad9 Protects the Internet | John Todd, CTO - Quad9

In this episode of 'The Defender's Log,' host David engages in a comprehensive discussion with John Todd, an influential figure in the defense technology space and a key player at Quad9. The conversation covers John's career journey, starting from the early days of commercial internet services to his current role at Quad9.

They delve into the importance of DNS in cybersecurity, Quad9's unique approach to protecting users, and the challenges and strategies involved in maintaining a global DNS infrastructure. Key topics include the implementation of zero-trust DNS, the legal hurdles faced by DNS providers, and the innovative protocols aimed at enhancing internet security and privacy.

The episode also highlights the vital role of partnerships and the challenges of operating in regions with restrictive import tariffs. Todd emphasizes the importance of privacy and the legal measures in place to protect user data, concluding with a call to potential sponsors to support Quad9's ongoing mission to secure the internet.

Timestamps -

00:00 Introduction and Guest Welcome

01:14 John Todd's Journey in Technology

03:14 The Birth of Quad9

05:08 IBM's Role and Quad9's Growth

06:40 Threat Intelligence and Data Sharing

11:11 Challenges with False Positives

18:46 Global Network Expansion

21:46 Difficulties in Equipment Importation

26:14 Exploring Early Motivations and Interests

27:42 The Evolution of Communication Technologies

29:01 Defensive Posture in Communication

30:56 Balancing Privacy and Security

35:18 Challenges in Network Security

40:09 Innovations in DNS and Network Management

48:17 Legal and Privacy Considerations

51:16 Conclusion and Final Thoughts