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Q-Day Knowledge Center & Q-Day Framework and Estimator

Q-Day Knowledge Center - Your complete guide to understanding, forecasting, and preparing for quantum decryption ...

Quantum Hardware Companies and Roadmaps Comparison

With so many quantum hardware roadmaps landing recently, I’ve updated my running comparison of the ...

Getting Started With Quantum Readiness and PQC Migration

Getting Started With Quantum Readiness and PQC Migration ...

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 ...

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, ...

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 ...

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 ...

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 ...

Silicon Crosses the Logical Threshold: First Universal Logical Operations Demonstrated in a Silicon Quantum Processor

24 Mar 2026 - In 1998, Bruce Kane published a single-page proposal in Nature that launched an entire subfield of quantum computing. The idea was elegant: use the nuclear spins ...

The 1,000-Qubit Ceiling That Probably Isn’t

21 Mar 2026 - A curious thing happened in cybersecurity Slack channels and LinkedIn threads over the last few weeks: security professionals who had been dragging their feet on post-quantum ...

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 ...

Quantinuum Squeezes 94 Logical Qubits from 98 Physical — But What Does It Actually Mean?

10 Mar 2026 - Quantinuum researchers have demonstrated quantum computations using up to 94 error-detected logical qubits and 48 error-corrected logical qubits on the company's 98-qubit Helios trapped-ion quantum processor ...

China Releases Freely Downloadable Quantum Operating System

China's Origin Quantum Computing Technology Co. has made its quantum operating system, Origin Pilot, available for free public download - a move that multiple sources describe as the first time ...

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 ...

SCSP Launches Bipartisan Commission on U.S. Quantum Primacy

The Special Competitive Studies Project (SCSP) has launched the Commission on U.S. Quantum Primacy (CUSP), a new bipartisan body designed to produce a national strategy for keeping the United States ...

Marin Ivezic My name is Marin Ivezic. This is my personal blog. I am the Founder of Applied Quantum; former Fortune Global 500 CISO/CTO, Big 4 partner, and APAC & global leader at Accenture and IBM. I served on multiple boards as a NED, and I invest in cutting-edge quantum startups.

My work has always been focused on emerging‑tech risk – building and leading innovation labs focused on quantum security, AI security, and cyber-kinetic risks for global corporations, governments, and defense. I regularly share insights on quantum technologies and emerging‑tech cybersecurity. More about me

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Applied Quantum is the first professional services firm dedicated to quantum technologies across computing, communications, sensing, and simulation. We deliver quantum-focused end-to-end advisory, R&D, and systems integration.

On the security front we execute cryptographic inventories and cryptographic bills of materials (CBOMs), build enterprise crypto agility, plan and deliver PQC migrations and hybrid patterns, and design quantum safe networks (including QKD where warranted), with governance and compliance built in.

The result is a de-risked path from exploration to business outcomes – without hype or lock in.

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My Most Popular Quantum Tech, Quantum Computing, Quantum Security, PQC Articles This Week

    PostQuantum.com AI Explainer

    An AI tool that answers questions using a curated corpus of information from PostQuantum.com, NIST, NSA, and ENISA and other reliable sources. Ask anything related to quantum computing or quantum security.