Latest Quantum Security, PQC, Post-Quantum, Crypto-Agility News
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Apr- 2026 -21 AprilQuantum Security & PQC
Coinbase Quantum Paper: What It Gets Right, Wrong, and Misses
Coinbase assembled heavyweights like Scott Aaronson and Dan Boneh to assess quantum threats to crypto. Their paper is serious, measured, and technically sound. But it underestimates how fast the ground is shifting beneath blockchain cryptography.
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9 AprilQuantum Security & PQC
Architecture Matters as Much as the Algorithm: Q-CTRL’s Heterogeneous Quantum Computer Design Cuts RSA-2048 to 190k-381k Qubits
9 Apr 2026 - Researchers at Q-CTRL, a quantum infrastructure software company headquartered in Los Angeles and Sydney, have published a paper introducing Q-NEXUS, a heterogeneous quantum computing architecture that claims to reduce the physical qubit requirements for factoring 2048-bit RSA integers to as few as 190,000 physical qubits — a roughly 4.7× reduction from the current monolithic baseline. The…
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8 AprilQuantum Security & PQC
Anthropic’s Mythos Preview and the End of a Twenty-Year Cybersecurity Equilibrium
8 Apr 2026 – Anthropic yesterday announced Claude Mythos Preview, a frontier AI model that can autonomously discover and exploit zero-day vulnerabilities in every major operating system and every major web browser. Alongside the model, Anthropic launched Project Glasswing, a defensive coalition including Amazon Web Services, Apple, Broadcom, Cisco, CrowdStrike, Google, JPMorganChase, the Linux Foundation, Microsoft, NVIDIA, and Palo Alto…
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7 AprilQuantum Security & PQC
Cloudflare Joins Google: Two Internet Giants Now Say 2029 for Post-Quantum Migration
7 Apr 2026 – Cloudflare, the infrastructure company that handles a significant share of global internet traffic, today announced it is accelerating its post-quantum cryptography roadmap and targeting 2029 for full post-quantum security — including, critically, post-quantum authentication. The announcement, authored by Cloudflare Research's Bas Westerbaan, explicitly cites last week's Google Quantum AI ECC-256 resource estimates and Oratomic's 10,000-qubit Shor's…
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5 AprilQuantum Security & PQC
Quantum Threat Timeline Report 2025: Record Predictions, But Can the Survey Keep Up?
5 Apr 2026 - The Global Risk Institute (GRI) and evolutionQ Inc. have published the seventh edition of their annual Quantum Threat Timeline Report, the longest-running expert survey dedicated to estimating when a quantum computer will be capable of breaking widely deployed public-key cryptography. The report, dated 9 March 2026 and authored by Dr. Michele Mosca (co-founder and CEO of…
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1 AprilQuantum Security & PQC
QuantumShield360 AI Achieves World’s First Complete Post-Quantum Cryptography Migration — Full Quantum Resilience Across All Enterprise Systems
Scottsdale, AZ — April 1, 2026 — QuantumShield360 AI, a next-generation quantum-resilient cybersecurity platform leveraging AI-powered lattice synergies, today announced it has completed a full, end-to-end migration to post-quantum cryptographic standards across its entire technology stack — becoming the first company in history to achieve total quantum resilience. "While Fortune 500 companies are still conducting cryptographic inventories and debating algorithm…
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Mar- 2026 -31 MarchQuantum Security & PQC
10,000 Qubits to Run Shor’s Algorithm
31 Mar 2026 - On the same day that Google Quantum AI published its landmark ECDLP-256 resource estimates showing fewer than 500,000 superconducting qubits could break cryptocurrency cryptography in minutes, a team from Oratomic, Caltech, and UC Berkeley quietly dropped a paper making an even more startling claim about qubit count: Shor's algorithm can be executed at cryptographically relevant scales…
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31 MarchQuantum Security & PQC
Google Quantum AI Achieves 10x Reduction in Resources to Break Bitcoin’s Cryptography
31 Mar 2026 - Google Quantum AI has published a 57-page whitepaper demonstrating that the quantum resources needed to break the elliptic curve cryptography protecting Bitcoin, Ethereum, and virtually every major cryptocurrency are roughly an order of magnitude smaller than previously estimated. The paper, titled "Securing Elliptic Curve Cryptocurrencies against Quantum Vulnerabilities: Resource Estimates and Mitigations" and co-authored with researchers…
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27 MarchQuantum Security & PQC
The U.S. Intelligence Community Just Put Quantum on Equal Footing with AI. And Expanded the Threat Definition
27 Mar 2026 - Every March, the Office of the Director of National Intelligence publishes a document that most Americans will never read but that quietly shapes trillions of dollars in defense spending, intelligence priorities, and technology policy. The Annual Threat Assessment (ATA) is the Intelligence Community's official, unclassified evaluation of the threats facing the United States - a consensus…
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25 MarchQuantum Security & PQC
Google Just Drew a Line in the Sand: PQC Migration by 2029
25 Mar 2026 - The company building the quantum computer is telling you the clock is running out. That should get your attention. On March 25, 2026, Google published a brief but consequential blog post authored by Heather Adkins, VP of Security Engineering, and Sophie Schmieg, Senior Staff Cryptography Engineer. Buried beneath a deliberately understated title - "Quantum frontiers may…
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15 MarchQuantum Security & PQC
A New Algorithm Shrinks the Quantum Attack Surface for ECC
15 Mar 2026 - When Clémence Chevignard, Pierre-Alain Fouque, and André Schrottenloher submitted their latest paper to EUROCRYPT 2026, they already had a track record that the cryptographic community was watching closely. In 2024, the same team at INRIA Rennes had published a method that slashed the qubit requirements for quantum factoring of RSA integers - work that Craig Gidney…
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7 MarchQuantum Security & PQC
The White House Just Released Its New National Cyber Strategy. It’s Not a Strategy.
7 Mar 2026 - On Friday afternoon - the traditional Washington burial ground for news you'd rather not have scrutinized - the White House released "President Trump's Cyber Strategy for America," the administration's long-delayed national cybersecurity strategy document. Originally expected in January, the strategy outlines six policy pillars that will ostensibly guide the nation's cybersecurity posture going forward. The document…
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3 MarchQuantum Security & PQC
The “Cybersecurity Apocalypse in 2026” and the Jesse–Victor–Gharabaghi (JVG) Algorithm: Why This Claim Doesn’t Hold Up
A preprint manuscript (ID: 202510.1649) titled “A Novel Hybrid Quantum Circuit for Integer Factorization: End-to-End Evaluation in Simulation and Real Quantum Hardware” was published on the Preprints.org server. Authored by researchers affiliated with the Advanced Quantum Technologies Institute (AQTI), the paper introduces the "Jesse–Victor–Gharabaghi (JVG) algorithm" - a hybrid classical-quantum approach to integer factorization that proposes replacing the Quantum Fourier Transform…
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Feb- 2026 -28 FebruaryQuantum Security & PQC
Google’s Merkle Tree (MTC) Gambit to Quantum-Proof HTTPS
Google will not put post-quantum signatures into traditional X.509 certificates for Chrome. Instead, the company announced in February 2026 a fundamentally different architecture - Merkle Tree Certificates (MTCs) - that shrinks quantum-resistant TLS authentication data from roughly 14,700 bytes down to as little as 736 bytes, making post-quantum HTTPS potentially smaller than today's classical certificate chains. The approach, developed jointly…
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13 FebruaryQuantum Security & PQC
No, the “Pinnacle Architecture” Is Not Bringing Q-Day Closer 2-5 Years (but It Is Credible Research)
Since the preprint paper of The Pinnacle Architecture preprint hit and its Quantum Insider coverage ran, my phone has been ringing off the hook. The question behind most of those calls is simple: does this mean RSA is suddenly in imminent trouble? Is it true that this paper brought the Q-Day closer 2-5 years? (Who said that?!?)... The short answer is NO - not…
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