Abstract
Navigating the shift to post-quantum cryptography takes more than awareness; it requires a forward-looking strategy, crypto-agile architecture, and long-term planning across software and hardware. In this episode of Shielded: The Last Line of Cyber Defense, host Johannes Lintzen speaks with Hart Montgomery, Technical Director at LF Decentralized Trust and a leading voice in cryptographic modernization. Together, they explore practical solutions and emerging standards that will define how organizations prepare for a quantum-secure future.
What You’ll Learn:
- How to assess your quantum readiness through crypto-agility audits and dependency mapping
- How to build a business case using the “Harvest Now, Decrypt Later” threat model
- Why US, UK, and Australian regulations are accelerating timelines — and what that means for compliance
- Why centralized crypto services are key to consistent implementation and quantum-safe upgrades
- How to standardize cryptography across teams using policy-driven APIs
- Where to start: Low-risk, high-reward use cases that build migration momentum
- How the “Open Source Hamburger” explains your software supply chain risk
- Why hardware timelines are the biggest bottleneck and how to start addressing them now
- How SBOMs and CBOMs can help uncover legacy cryptography across your stack
Hart Montgomery is the Technical Director at LF Decentralized Trust, specializing in post-quantum cryptography and secure blockchain architectures. With a PhD in lattice cryptography and a background as a blockchain researcher at Fujitsu, he brings deep expertise in both theoretical and applied security. Hart leads critical initiatives such as the Post-Quantum Cryptography Alliance and the Open Quantum Safe Project, helping secure the global open-source ecosystem through crypto agility and supply chain transparency. His unique blend of academic rigor and practical experience makes him a leading voice in post-quantum cryptography and secure software development.
Quantum security isn’t a project; it’s a phased transformation. Here’s a step-by-step roadmap to guide your organization through the post-quantum transition, from quick wins to long-term strategy.
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