qReflector • Learning Hub

PQC Learning Hub

Navigate the learning hub.

What is this hub?

A structured resource guiding organizations through the migration to post-quantum cryptography.

Who is it for?

Executives, IT security teams, compliance officers, and procurement managers planning for PQC.

Where should I start?

Begin with "Start Here" to grasp the core quantum threat and why it matters today.

How should I use it?

Follow a Guided Route tailored to your role, or browse specific sections freely.

Learning Map

Post-Quantum Readiness Atlas

A practical path through the concepts behind post-quantum readiness. Click any area to explore.

Start Here Core quantum threat basics Quantum Basics How quantum computers work Cryptography Today Modern IT cryptography
Your Learning Journey A practical path through post-quantum readiness.
PQC Explained New NIST standards Role Guides For your specific role Readiness & Migration Discovery, inventory, CBOM
Guided Routes

Step-by-Step Learning

Select a route below to be guided step-by-step through the concepts most relevant to you.

Beginner Route

For readers new to quantum and cryptography.

14 steps

Business Readiness Route

For managers planning risk, budget and ownership.

8 steps

Technical Foundations Route

For security and IT teams who need the technical basics.

10 steps

Readiness and Migration Route

For teams starting discovery, inventory and CBOM work.

6 steps

Role-Based Route

For management, IT/security, compliance and procurement entry points.

3 steps

Concept Index

35 TOPICS
Concept Level Time
Learning Hub1 topics
Post-Quantum Cryptography for CompaniesPost-quantum cryptography is not only an algorithm change. For companies, it is… Role Guide 4-6 minutes
Start Here6 topics
Start HereNavigation base page for the 'Start Here' section. Section overview 1 min
What is Post-Quantum Cryptography?Post-quantum cryptography is normal cryptography redesigned for a future where… Beginner 2-4 minutes
Why Do Quantum Computers Threaten Cryptography?Quantum computers threaten cryptography because they may solve certain… Beginner 2-4 minutes
What is Harvest Now, Decrypt Later?If encrypted data is stolen today and must remain confidential for many years,… Beginner 2-4 minutes
Which Cryptographic Algorithms Are at Risk?Quantum risk is not equal across all cryptography; public-key algorithms are… Beginner 3-5 minutes
What Will Break and What Will Remain?PQC risk becomes practical when vulnerable cryptography appears inside real… Beginner 3-5 minutes
Quantum Computing Basics5 topics
Quantum Computing BasicsNavigation base page for the 'Quantum Computing Basics' section. Section overview 1 min
What is a Quantum Computer?A quantum computer is a computer that uses quantum physics to process… Beginner 2-4 minutes
What is a Qubit?A qubit is the quantum version of a bit, but it behaves differently before… Beginner 2-4 minutes
Why Isn’t a Quantum Computer Just a Faster Computer?Quantum computers are powerful for certain problem types because they use… Beginner 2-4 minutes
Superposition, Entanglement, and Interference Explained SimplySuperposition, entanglement, and interference are three basic quantum ideas… Beginner 2-4 minutes
Cryptography Today6 topics
Cryptography TodayNavigation base page for the 'Cryptography Today' section. Section overview 1 min
How Does Cryptography Work in Modern IT?Cryptography is used across everyday digital life to help systems answer simple… Beginner 2-4 minutes
Symmetric vs Asymmetric CryptographyPQC mostly focuses on public-key cryptography because that is where the major… Beginner 2-4 minutes
What is Key Exchange?Key exchange is how two systems create a shared secret over an untrusted… Beginner 3-5 minutes
What is a Digital Signature?A digital signature helps prove that data came from the expected signer and has… Beginner 2-4 minutes
How Does TLS Use Cryptography?TLS is a practical example of how cryptographic building blocks work together… Beginner 3-5 minutes
Post-Quantum Cryptography Explained6 topics
Post-Quantum Cryptography ExplainedNavigation base page for the 'PQC Explained' section. Section overview 1 min
What is a KEM?A KEM is the mechanism model behind many post-quantum key-establishment… Technical 3-5 minutes
What is ML-KEM?ML-KEM is the NIST-standardised post-quantum KEM for establishing shared secret… Technical 3-5 minutes
What is ML-DSA?ML-DSA is the NIST-standardised post-quantum digital signature algorithm for… Technical 3-5 minutes
What is SLH-DSA?SLH-DSA is the NIST-standardised stateless hash-based post-quantum digital… Technical 3-5 minutes
What is Hybrid Cryptography?Hybrid cryptography combines classical and post-quantum mechanisms during… Technical 3-5 minutes
Readiness and Migration7 topics
Readiness and MigrationNavigation base page for the 'Readiness and Migration' section. Section overview 1 min
What is a PQC Readiness Assessment?A PQC readiness assessment is the first structured step before migration, not… Practical 3-5 minutes
What is Crypto Discovery?Crypto discovery is the process of finding where cryptography is used before… Practical 3-5 minutes
What is a Cryptographic Inventory?A cryptographic inventory turns scattered crypto findings into an operational… Practical 3-5 minutes
What is a CBOM?A CBOM shows what cryptography a system depends on. Practical 3-5 minutes
CBOM vs SBOM: What is the Difference?CBOM extends bill-of-materials thinking from software components to… Practical 3-5 minutes
What is Crypto-Agility?Crypto-agility is the practical ability to change cryptography without… Practical 3-5 minutes
Role Guides4 topics
Role PathsNavigation base page for role-specific guides. Section overview 1 min
PQC for ManagementManagement does not need to understand algorithm details, but it must create… Role Guide 4-6 minutes
PQC for IT and Security TeamsIT and security teams turn PQC from a future concern into practical work:… Role Guide 4-6 minutes
PQC for Compliance and ProcurementPQC readiness is not only internal; compliance and procurement teams need… Role Guide 4-6 minutes
Featured Guide

Post-Quantum Cryptography for Companies

A strategic roadmap for management on PQC migration, risk assessment, and business readiness.

Data Lifetime
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Cryptographic Exposure
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Ownership
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Migration Effort
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Business Priority
Read the Strategic Guide