Quantum Cybersecurity: Protecting Digital Trust
Quantum computing matters to cybersecurity because future capabilities may undermine widely used public-key cryptography. Understand the risks, the transition to post-quantum protection and where QKD fits.
Explore HNDL, PQC, QKD, hybrid architectures, side-channel attacks, predictive cracking and cryptographic agility from a cybersecurity and business-risk perspective.
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Explore the five learning levels
Five progressive levels connect cybersecurity fundamentals with practical controls, architecture and leadership decisions. Articles and videos will be added as the library develops.
Level 1 — Foundation
- Why quantum computing matters to cybersecurity
- Public-key cryptography and the quantum threat
- Harvest Now, Decrypt Later (HNDL)
Level 2 — Developing
- PQC fundamentals and NIST standards
- QKD fundamentals and security assumptions
- Cryptographic inventory and long-lived data risk
Level 3 — Practitioner
- PQC migration planning and crypto-agility
- Hybrid cryptographic approaches
- Side-channel attacks and implementation security
Level 4 — Advanced
- QKD protocols and deployment constraints
- Predictive cracking: scenarios, assumptions and limits
- Assessing PQC/QKD hybrid architectures
Level 5 — Expert
- Enterprise cryptographic transition strategy
- Threat modelling, assurance and migration validation
- Board-level quantum risk and investment decisions
The five-level programme is being developed. Planned assessments contain 20 questions with an 80% pass mark. Content and assessment availability will be shown as each level is published.
Your learning, with a clear purpose
Your Pathway connects the material you study to your interests and goals. As the library grows, it will help you find relevant topics and understand the next step in your learning journey.
Knowledge you can demonstrate
Explain HNDL and quantum risk; distinguish PQC from QKD; assess the purpose of cryptographic inventories and migration planning.
Each milestone will identify what you should be able to explain, evaluate and apply. Completing an article alone is not evidence of competence.
PQC · Full OBA Learning Pathway
Five learning levels, original articles, short video outlines, Founder CheatSheets, interactive quizzes and practical challenges. Grounded in Australian ASD guidance.
Explore the PQC pathway →