# Cryptographic Agility: The Only Defense Against Quantum

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Text version: https://stenobird.com/podcast/m365-fm-modern-work-security-and-productivity-with-microsoft-365-7311214/cryptographic-agility-the-only-defense-against-quantum.md
Podcast: [M365.FM - Modern work, security, and productivity with Microsoft 365](https://stenobird.com/podcast/m365-fm-modern-work-security-and-productivity-with-microsoft-365-7311214)
Published: 2026-06-13T04:00:03+00:00
Episode link: https://www.spreaker.com/episode/cryptographic-agility-the-only-defense-against-quantum--72324407
Audio file: https://dts.podtrac.com/redirect.mp3/api.spreaker.com/download/episode/72324407/cryptographic_agility_the_only_defense_against_quantum.mp3
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Duration seconds: 5247

## Resource

Most discussions about quantum computing focus on a single question:When will quantum computers break encryption?The better question is this:How quickly can your organization replace encryption when it happens?Because the organizations that survive the quantum transition won't necessarily be the ones that adopt the newest algorithms first. They'll be the organizations that can change algorithms without rebuilding their infrastructure.In this episode, we explore the growing reality of post-quantum cryptography, the harvest-now-decrypt-later threat, Microsoft's evolving quantum-safe roadmap, and why cryptographic agility is becoming one of the most important architectural disciplines in enterprise security.We examine the technologies, standards, governance models, and operational practices required to prepare Microsoft 365, Azure, Active Directory, Entra ID, Azure Key Vault, VPN infrastructure, certificate services, and enterprise applications for a future where today's cryptography can no longer be trusted.If your organization expects data to remain confidential beyond 2030, this episode explains why preparation can no longer wait. THE HARVEST-NOW, DECRYPT-LATER THREAT Many organizations assume quantum risk begins when a quantum computer arrives.In reality, the risk started years ago.Adversaries can capture encrypted traffic today and store it indefinitely. Once cryptographically relevant quantum computers emerge, that archived data can potentially be decrypted retroactively.We explore: Harvest-now, decrypt-later attacks Long-term confidentiality risks Why encryption can fail years after data is stolen The impact on healthcare, finance, government, and intellectual property How retention periods influence quantum risk For organizations protecting data with multi-decade…

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