Quantum Computing News, PQC News, Quantum Security News & Commentary

What’s Happening in Quantum — and What It Means

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Deep Dive Series

Long-form research across quantum computing and quantum security

Multi-article series with capstone analyses, interactive tools, and companion databases.

Quantum Systems Integration

Open architecture, modular hardware, and building quantum computers from components


How to Build a Quantum Computer

How to Build a Quantum Computer

Integration guides for assembling quantum computers from modular components. Every major modality covered, from empty lab to first qubit signal, with vendor landscapes and procurement guidance.


What It Takes to Build a Quantum Computer

What It Takes to Build a QC

From qubit fabrication through cryogenics, control electronics, and error correction. A component-level breakdown of the supply chain and engineering challenges at each layer.


Quantum Systems Integration & QOA

Quantum Systems Integration & QOA

The Quantum Open Architecture model and multi-vendor system design. How independent integrators assemble best-of-breed components into working quantum computers.


Quantum Computing Modalities

Quantum Computing Modalities

Superconducting, trapped ion, neutral atom, photonic, silicon spin, and beyond. Every major hardware approach compared on performance, scalability, and commercial readiness.

Quantum Security, PQC Migration & Q-Day

Threat assessment, standards, mandates, migration frameworks, and deadlines


CRQC Quantum Capability Framework

CRQC Capability Framework

The nine engineering capabilities required to build a cryptographically relevant quantum computer. The structured, evidence-based method behind my Q-Day estimates.


Predicting Q-Day

Predicting Q-Day

Frameworks, forecasts, and the data behind competing timelines. Includes the interactive CRQC Readiness Benchmark tool for exploring estimates with your own assumptions.


Getting Started With Quantum Security & PQC Migration

Getting Started With Quantum Security

A practitioner’s roadmap from first awareness to active PQC migration. Covers threat assessment, NIST standards, the PQC Migration Framework, and how to build a business case.


Quantum Security Reference

Quantum Security Reference

Essential concepts for security leaders encountering quantum threats for the first time. Algorithms, attack models, and terminology explained without the hype.


PQC Governance: Program Leadership

PQC Governance & Program Leadership

Who leads PQC migration, how boards govern it, how to fund and execute it. A seven-part Deep Dive for CISOs, boards, and transformation leaders.


Global PQC Migration Timelines

Global PQC Migration Timelines

PQC deadlines are now set across 15+ countries. Maps every mandate, tracks where national requirements diverge, and identifies the compliance gaps that catch multinationals off guard.


CNSA 2.0: NSA's Post-Quantum Requirements

CNSA 2.0 Deep Dive

NSA’s post-quantum cryptography requirements decoded. Required algorithms, enforcement timelines, defense contractor compliance, and what CNSA 2.0 means beyond the NSS.


Quantum Threat to Cryptocurrencies

Quantum Threat to Cryptocurrencies

Ten-article series covering quantum resource estimates for breaking Bitcoin and Ethereum, protocol-level fixes, governance bottlenecks, and realistic migration roadmaps.

More Deep Dives


Quantum Sovereignty

Quantum Sovereignty

Strategic independence in the quantum era. Supply chain dependencies, export controls, and why national quantum strategies are reshaping technology geopolitics.


The Quantum Utility Map

The Quantum Utility Map

What will fault-tolerant quantum computers actually do? Application areas mapped by qubit requirements, timeline to viability, and projected economic impact.


China's Quantum Ambition

China’s Quantum Ambition

Could Beijing win the quantum race? China’s national programs, research output, industrial ecosystem, and the strategic implications for the West.


Quantum Computing Companies & Roadmaps

Quantum Computing Companies

60+ quantum hardware companies profiled and compared across modalities, funding, technical milestones, and commercial readiness. Updated quarterly.


Quantum Snake Oil Dictionary

Quantum Snake Oil Dictionary

A field guide to quantum hype, scams, and misused terminology. Spot exaggerated claims, decode marketing language, and separate real progress from noise.

Articles & Analysis

Quantum Computing, Quantum Security, PQC & Quantum Sovereignty

Quantum Cellular Automata in Living Cells
Quantum Computing Modalities

Quantum Computing Modalities: Quantum Cellular Automata (QCA) in Living Cells

Trapped-ion quantum computing uses individual ions (charged atoms) as qubits. Each ion’s internal quantum state (usually two hyperfine levels of the atom’s electron configuration) serves as |0⟩ and |1⟩. Ions are held in place (suspended in free space) using electromagnetic ...
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Model Evasion AI
AI Security

Outsmarting AI with Model Evasion

Model Evasion in the context of machine learning for cybersecurity refers to the tactical manipulation of input data, algorithmic processes, or outputs to mislead or subvert the intended operations of a machine learning model. In mathematical terms, evasion can be ...
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Ethics Privacy Quantum Sensing
Quantum Sensing

Ethical and Privacy Implications of Quantum Sensing

Quantum sensing sits at a crossroads of promise and peril. On one hand, it embodies the awe-inspiring potential of quantum technology – offering us new eyes and ears to perceive the world in richer detail than ever before. It could ...
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Q-Day CRQC Quantum
Post-Quantum, PQC, Quantum SecurityQ-DayQ-Day Prediction

Q-Day Predictions: Anticipating the Arrival of CRQC

While CRQCs capable of breaking current public key encryption algorithms have not yet materialized, technological advancements are pushing us towards what is ominously dubbed 'Q-Day'—the day a CRQC becomes operational. Many experts believe that Q-Day, or Y2Q as it's sometimes ...
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Canada AI
AI Security

AI and Canada: Pioneering Innovation, Searching for Homegrown Success

It’s easy to forget, amid the hype around Silicon Valley’s AI giants, that many of the foundational breakthroughs of modern AI were born in Canada. In fact, two of the three “godfathers of AI” - Yoshua Bengio and Geoffrey Hinton ...
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Homomorphic Encryption ML
AI Security

Securing Machine Learning Workflows through Homomorphic Encryption

Homomorphic Encryption has transitioned from being a mathematical curiosity to a linchpin in fortifying machine learning workflows against data vulnerabilities. Its complex nature notwithstanding, the unparalleled privacy and security benefits it offers are compelling enough to warrant its growing ubiquity ...
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Quantum Mission-Critical Communications MCC Networks
5G SecurityPost-Quantum, PQC, Quantum Security

Quantum Readiness for Mission-Critical Communications (MCC)

Mission-critical communications (MCC) networks are the specialized communication systems used by “blue light” emergency and disaster response services (police, fire, EMS), military units, utilities, and other critical operators to relay vital information when lives or infrastructure are at stake. These ...
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Data Poisoning ML AI
AI Security

Understanding Data Poisoning: How It Compromises Machine Learning Models

Data poisoning is a targeted form of attack wherein an adversary deliberately manipulates the training data to compromise the efficacy of machine learning models. The training phase of a machine learning model is particularly vulnerable to this type of attack ...
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Semantic Adversarial Attacks
AI Security

Semantic Adversarial Attacks: When Meaning Gets Twisted

Semantic adversarial attacks represent a specialized form of adversarial manipulation where the attacker focuses not on random or arbitrary alterations to the data but specifically on twisting the semantic meaning or context behind it. Unlike traditional adversarial attacks that often ...
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AI Alignment Problem
AI Security

The AI Alignment Problem

The AI alignment problem sits at the core of all future predictions of AI’s safety. It describes the complex challenge of ensuring AI systems act in ways that are beneficial and not harmful to humans, aligning AI goals and decision-making ...
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Acoustic Phononic Quantum
Quantum Computing Modalities

Quantum Computing Modalities: Acoustic (Phononic) Quantum Systems

Quantum acoustic quantum computing refers to using quantized mechanical vibrations – phonons – to store and process quantum information. Instead of relying on photons (particles of light) or electronic states of atoms, this modality leverages units of sound (vibrations in ...
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Fidelity Quantum Computing
Quantum Computing

Fidelity in Quantum Computing

Fidelity in quantum computing measures the accuracy of quantum operations, including how effectively a quantum computer can perform calculations without errors. In quantum systems, noise and decoherence can degrade the coherence of quantum states, leading to errors and reduced computational ...
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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.

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