# Q-Day, Quantum Satellites, and the Coming Shift in Cybersecurity

Page: https://stenobird.com/podcast/impact-quantum-a-podcast-for-the-quantum-curious-1309468/q-day-quantum-satellites-and-the-coming-shift-in-cybersecurity
Text version: https://stenobird.com/podcast/impact-quantum-a-podcast-for-the-quantum-curious-1309468/q-day-quantum-satellites-and-the-coming-shift-in-cybersecurity.md
Podcast: [Impact Quantum: A Podcast for the Quantum Curious](https://stenobird.com/podcast/impact-quantum-a-podcast-for-the-quantum-curious-1309468)
Published: 2026-07-07T18:15:00+00:00
Episode link: http://impactquantum.com
Audio file: https://episodes.captivate.fm/episode/8f18692d-9d9f-412f-9a3b-0b16497bb9b2.mp3
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Duration seconds: 2785

## Resource

In this episode, the conversation focused on the transformative potential of quantum networks alongside the ever-prominent quantum computers. A key theme that emerged was how curiosity—rather than just advanced degrees—can open doors in the quantum industry. The discussion explored the path from complex mathematical curiosity to a career in quantum information science, highlighting how quantum communication is emerging as a crucial counterpart to quantum computing. Listeners will learn about the threats and opportunities presented by quantum technologies, including the significance of quantum key distribution (QKD) and the coming era of "Q Day," where classic cryptographic systems may become obsolete. The episode provides insights on the unique challenges of quantum networking infrastructure, the role of satellites, and why quantum communication remains an underappreciated area with immense potential. Several points were raised, including the tension between post-quantum cryptography and QKD, the fragmented approach to quantum infrastructure across nations, and the key industries that will drive adoption. If you’re quantum-curious—whether you're a technologist, executive, or just fascinated by the future of secure communications—this episode breaks down the stakes, the science, and the paths forward in quantum networking. Links Carlos on LinkedIn - https://www.linkedin.com/in/carlos-pascual-garc%C3%ADa-ph-d-8469b216b/ Watch on YouTube - https://youtu.be/ohDtnOwYpHg Time Stamps 00:00 Choosing a PhD in Quantum Communications 06:44 Satellite communication and defense strategies 10:03 Introduction to quantum cryptography 11:27 Post quantum cryptography explained 14:26 Challenges in communication authentication 17:51 Quantum communication projects in the EU 23:35 Efficient…

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