The Crypto Agility Paradox: When Hardware Becomes Your Security Bottleneck
How do you prepare for post-quantum cryptography when your devices will still be in the field 20 years from now? In this episode of Shielded: The Last Line of Cyber Defense, host Johannes Lintzen is joined by Cassie Crossley, Vice President of Supply Chain Security in the Global Cybersecurity & Product Security Office at Schneider Electric. Cassie shares the hard-earned lessons from a multi-year crypto agility program in one of the world’s largest OT environments. From supply chain transparency to legacy encryption risks, she breaks down what it takes to prepare critical infrastructure for the quantum era.
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NCSC proposes its PQC transition timeline to UK Policy makers: guiding the UK to a quantum-safe future
Quantum readiness isn’t about “predicting when,” it’s about “preparing now.” In this episode of Shielded: The Last Line of Cyber Defense, host Johannes Lintzen sits down with Dr. Jeremy Bradley, Principal Technical Director at the UK’s National Cyber Security Centre (NCSC), to explore the UK’s newly released guidance on migrating to post-quantum cryptography. Jeremy shares why the NCSC chose a pragmatic, timeline-driven approach, how organisations can manage legacy infrastructure without fear, and why PQC migration is a cybersecurity challenge, not just a cryptographic one.
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Your Hardware Refresh Is a Quantum Deadline with Mamta Gupta
You can’t patch your way out of quantum exposure, especially when your hardware refresh cycle is a cryptographic deadline. In this episode of Shielded, Johannes Lintzen sits down with Mamta Gupta of Lattice Semiconductor to explore how hardware-rooted security must evolve to meet the post-quantum challenge. Mamta unpacks the real-world threat of “Harvest Now, Decrypt Later,” explains why crypto agility is essential for long-lifecycle devices, and shares clear, actionable steps to build quantum resilience from silicon to software. Learn how FPGAs provide a reprogrammable, future-ready foundation, what CNSA 2.0 mandates, and why your next hardware refresh cycle may be your last chance to stay ahead. If your business touches critical infrastructure, long-life devices, or digital supply chains, this episode is your wake-up call.
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HSMs and PQC Migration: Are We There Yet?
In this special RSA 2025 edition of Shielded: The Last Line of Cyber Defense, host Johannes Lintzen gathers four leading voices from the world of hardware security to discuss a cornerstone technology powering the post-quantum migration: the Hardware Security Module (HSM). Featuring insights from Entrust, Thales, Futurex, and Utimaco, this episode breaks down how HSMs are evolving to support cryptographic agility, comply with new standards like CNSA 2.0 and FIPS 203/204/205, and why waiting to upgrade your HSMs is no longer an option.
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From Awareness to Action: The Blueprint for Quantum-Resilient Security | Garfield Jones
Quantum threats aren’t hypothetical, they’re operational risks hiding in your cryptographic stack. In this episode of Shielded: The Last Line of Cyber Defense, host Johannes Lintzen sits down with Dr. Garfield Jones from CISA to dive into the practical steps for post-quantum migration, making the case that waiting until 2035 is far too late. Dr. Jones breaks down his APA framework (Awareness, Preparedness, Action) and explains why organizations need to act now to secure their infrastructure against the quantum threat. Learn how to take inventory, align procurement, tackle legacy infrastructure, and embed PQC into your vendor strategy before the clock runs out.
Shielded: The Last Line of Cyber Defense is your definitive guide to navigating the quantum era of cybersecurity. Hosted by experts from PQShield, a global leader in post-quantum cryptography (PQC), this podcast explores how industries can future-proof their defences against the imminent threat of quantum computing.
Each episode brings you actionable insights, real-world case studies, and expert interviews with cryptographers, industry leaders, and policymakers shaping the future of cybersecurity. From demystifying quantum-resistant protocols to addressing compliance challenges and implementation strategies, Shielded moves the conversation from why to how in building a quantum-safe world.
Whether you're a security engineer, IT professional, or business decision-maker, Shielded arms you with the knowledge and tools to stay ahead of the curve in securing your data. Join us as we decode the challenges of quantum readiness, foster collaborative solutions, and inspire confidence in a safer digital future.
Subscribe now to stay updated on the latest trends, standards, and breakthroughs in quantum-resilient cybersecurity.
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