Quantum Computing News, PQC News, Quantum Security News & Commentary
What’s Happening in Quantum — and What It Means
NVIDIA Ising: Open AI Models for Quantum Calibration and Error Correction
NVIDIA's Ising family brings AI-driven automation to quantum calibration and error correction decoding — two bottlenecks standing between today's noisy qubits and fault-tolerant quantum computers. The strategic play underneath matters more than the benchmarks ...
DARPA Launches HARQ Program to Build Heterogeneous Quantum Architectures
DARPA has launched the HARQ program with 19 teams working to combine different qubit types into unified systems — the same heterogeneous vision that I was writing about many times ...
Cisco Research Proves That One Post-Quantum Layer Can Protect Payload Confidentiality — But Authentication Requires Migrating Every Layer
A Cisco Research paper proves that one post-quantum layer suffices for payload confidentiality but every layer must migrate for authentication — and that upgrading to WPA3 worsened quantum security ...
Harvard’s Cascade Neural Decoder Cuts Quantum Error Rates 17×, Reveals Waterfall Effect
Harvard's Cascade decoder achieves logical error rates 17× below the best existing decoders on quantum LDPC codes and reveals a "waterfall" regime of error suppression that could reduce the physical qubit count required for a CRQC by 40% or more ...
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 ...
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 ...
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 ...
QuiX Quantum Achieves First Below-Threshold Error Mitigation in Photonic Quantum Computing
5 Apr 2026 - QuiX Quantum, a Netherlands-based photonic quantum computing company, announced it has demonstrated below-threshold error mitigation on a photonic quantum computer for the first time, in collaboration with NASA's Quantum Artificial Intelligence Laboratory (QuAIL), the University of Twente, and Freie Universität Berlin ...
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 ...
Gauge Theory Meets Quantum Computing
April 2, 2026 - Dr. Dominic Williamson of the University of Sydney and Theodore Yoder of IBM have published a new method for performing fault-tolerant logical measurements on quantum error-correcting codes that dramatically reduces the physical qubit overhead required. The paper, titled "Low-overhead fault-tolerant quantum ...
China’s 15th Five-Year Plan Makes Quantum an Industrial Imperative — Not Just a Research Priority
When China's National People's Congress approved the 15th Five-Year Plan on March 12, 2026, it completed a journey that had been building for over a decade. Quantum technology, once buried deep in academic research budgets, emerged at the top of Beijing's list of seven "future ...
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 ...
