What if the biggest threat to your cybersecurity strategy isn’t quantum computing, but humans? In this episode of Shielded: The Last Line of Cyber Defense, host Johannes Lintzen welcomes Professor Bill Buchanan, OBE, FRSE, a global leader in applied cryptography, digital trust, and secure system design. Bill shares the origins of public key cryptography and the challenges of migrating beyond RSA and ECC. Learn why cryptographic agility is essential, where the biggest vulnerabilities lie, and how standards like FIPS 140 and TLS are laying the groundwork for a secure future. Expect blunt truths, clear insights, and an urgent call for better systems, smarter engineers, and more public understanding.

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