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

Cybersecurity Information Sharing
Cyber-Kinetic Security

United We Secure: Why Cybersecurity Needs Information Sharing

The cyber battlefield is heating up. On one side, cyber criminals are pooling their knowledge like a well-oiled team; on the other, many organizations still act like lone wolves. I recall a fellow CISO remarking at a meeting, “I don’t ...
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Quantum Computers Intro
Post-Quantum, PQC, Quantum SecurityQuantum Computing

Quantum Computers Intro

I remember the first time I heard the phrase “quantum computer” about a ten years ago. I pictured something out of a sci-fi movie - maybe a glowing box humming with mystical power. As a techie who spends a lot ...
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Quantum Computing Update
Quantum Computing

Quantum Computing Hardware Update

In summary, as 2006 ends I remain confident yet realistic. We’ve seen genuine, hard-won progress in quantum hardware: superconducting circuits entangling, ions scaling up with superb control, photons performing logic, and even completely different technologies proving their quantum chops. We’ve ...
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AI Update 2005
AI Security

Reflections on AI Progress

Looking back over the years, I’m struck by how far AI has come and yet how far it still has to go. In late 2005, AI is best described as a powerful set of tools - pattern recognition, optimization, inference ...
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Quantum Decryption
Post-Quantum, PQC, Quantum SecurityQ-DayQuantum Computing

Are Quantum Computers a Real Threat?

Our conclusion is that quantum computers are not an imminent threat to cybersecurity. They are a fascinating technology and potential threat in the long term, but certainly not something that keeps me awake at night today. For our clients such ...
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Decline of Penetration Testing
Cyber-Kinetic Security

The Decline of Real Penetration Testing

As the leader of Cyber Agency, one of the largest penetration testing and red teaming specialist outfis, I have a bone to pick with where our industry is headed. Back in the late 90s and early 2000s, "pentesting" actually meant ...
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AI Defense Cybersecurity
AI SecurityCyber-Kinetic Security

Testing AI in Defense – A New Kind of Security Challenge

Looking back at our engagement, I'm concerned that the pace of AI adoption in military will overtake our abilities to validate and verify such systems. If AI systems continue proving valuable, there is nothing that will stop their adoption, but ...
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Polymorphic Viruses
Cyber-Kinetic Security

Polymorphic Viruses: The Shape-Shifting Malware Menace

Polymorphic viruses represent a turning point in malware history. These shape-shifting programs have shown that malicious code can be made highly adaptable, challenging the very foundations of signature-based security. We’ve examined how polymorphic malware works - using encryption, mutation engines, ...
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Social Engineering
Cyber-Kinetic Security

Social Engineering – Greatest Information Security Risk

Social engineering doesn't have to be just a supporting process to obtain system access; it is could be even more dangerous when it is used as the main attack. We, information security defenders, rarely consider that risk. If you think ...
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Cyber Risk Management
Cyber-Kinetic Security

“Zero Tolerance” to “80-20” – Lazy Approaches to Cyber Risk

There is a new danger lurking in the information assets of countless organizations around the globe disguised by a plan devised to protect a large portion of those assets while failing miserably to protect the rest. Zero tolerance approach to ...
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Information Security IT Security
Cyber-Kinetic Security

Information Security is not IT Security

Information security and IT security are often used interchangeably - even among experienced security professionals. While the two terms are related and share the common goal of protecting the confidentiality, integrity, and availability (CIA) of information, there are significant differences ...
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Snake Oil Salesman Scammer
Post-Quantum, PQC, Quantum SecurityQ-DayQuantum ComputingQuantum Snake Oil

Quantum Snake Oil

Don’t get me wrong - as a techno-geek at heart, I love the science of quantum computing. One day, it will upend cryptography as we know it. We’ll have to transition to new algorithms. That day will come - but ...
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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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