All Post-Quantum, PQC Posts
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Post-Quantum, PQC, Quantum Security
The Signature Supply Chain: How Deep Does Digital Trust Go?
From TPM attestation keys to container image signatures, modern systems depend on dozens of signature layers most security teams have never fully mapped. This deep dive exposes the full anatomy of the trust infrastructure a quantum computer would compromise.
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Post-Quantum, PQC, Quantum Security
PQC Standards Fragmentation: What Multinationals Must Plan For Now
Your New York office runs ML-KEM per NIST. Your Frankfurt office needs ANSSI-recommended hybrids. Your Shanghai office will require Chinese ICCS algorithms. Your Seoul subsidiary uses KpqC. You need one migration plan. This article maps how to build it.
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Quantum Computing
The Decoder Bottleneck: The CRQC Challenge Nobody Is Talking About
Qubit count gets the headlines. Error rates get the analysis. But the classical decoder that must process millions of error signals per second in real time gets almost no attention outside the QEC research community. It may be the capability that determines the CRQC timeline.
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Post-Quantum, PQC, Quantum Security
Grover’s Algorithm vs AES – Why “Ignore It” Is Almost Right
The consensus says Grover will never break AES-128. The math checks out on today's assumptions. But those assumptions are built on surface codes and superconducting hardware, and the ground is already shifting. Scan the quantum computing coverage of Bitcoin and you will find a remarkable pattern. Article after article cites the same RSA-2048 qubit estimates - 20 million physical qubits (Gidney-Ekerå 2021), under a million…
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Post-Quantum, PQC, Quantum Security
PQC Signature Migration Before Encryption: Why Trust Infrastructure Comes First
Most PQC migration guides tell you to protect data first. But recent research confirms that signature algorithms fall faster, and the blast radius of a compromised signing key dwarfs that of a decrypted session. Here's why I'm telling CISOs to flip the sequence.
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Post-Quantum, PQC, Quantum Security
What Is MDI-QKD and Why It Matters Now
Measurement-device-independent QKD eliminates the detector vulnerabilities that have plagued commercial QKD systems. From Dutch ports to Chinese backbones, it is now operational infrastructure, and its twin-field descendant holds the 1,002 km distance record.
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Post-Quantum, PQC, Quantum Security
The CRQC Scorecard: How Close Is Each Quantum Modality to Breaking Your Encryption?
Yesterday, two papers landed that set social media on fire. Google Quantum AI published a landmark resource estimate showing that fewer than 500,000 superconducting qubits could break Bitcoin's elliptic curve cryptography in under nine minutes. Hours later, a team from Oratomic, Caltech, and UC Berkeley — including some of the most credible names in fault-tolerant quantum computing — dropped a paper claiming that Shor's algorithm…
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Post-Quantum, PQC, Quantum Security
Post-Quantum Cryptography Migration Frameworks: A Definitive Survey Through March 2026
A comprehensive survey of every post-quantum cryptography migration framework published through March 2026 — from ETSI TR 103 619 and the Dutch PQC Migration Handbook to the PQCC Roadmap and NIST SP 1800-38. Each framework is assessed against the capabilities a CISO or program manager needs to execute a real PQC migration, with a detailed comparison table and evidence-based analysis of what the landscape covers…
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