Post-quantum cryptography and quantum-safe encryption
Protect long-lived data from quantum decryption before the deadline arrives
Encrypted today, readable tomorrow
Data encrypted today can be recorded now and decrypted later, once quantum computers can break the public-key algorithms that protect it. This attack is called harvest now, decrypt later (HNDL). Financial, health, identity and government records that must stay confidential for years are already exposed.
The fix is post-quantum cryptography (PQC): public-key algorithms built to resist quantum attack. Yet most organisations cannot say where they use cryptography, with which algorithms and keys, or which systems would break if those changed.
What changes for you
Know your cryptography
A complete, maintained inventory of the algorithms, keys and certificates in use, and of the systems that depend on them.
The right order
Systems ranked by how long their data must stay secret and how exposed they are, so the most valuable data is protected first.
Ready for the next change
Systems built to swap algorithms without a rewrite, because standards will keep moving.
What we deliver
Cryptographic discovery and CBOM audit
Automated discovery of the cryptography in your code, systems and network traffic, recorded as a cryptographic bill of materials (CBOM): a list of every algorithm, key and certificate and where it is used.
NIST PQC migration engineering
Migration to the NIST post-quantum standards: FIPS 203 (ML-KEM) for key exchange, FIPS 204 (ML-DSA) for digital signatures and FIPS 205 (SLH-DSA) for hash-based signatures.
Hybrid quantum-safe TLS and VPN
TLS 1.3 and VPN connections that combine a classical and a post-quantum algorithm, so they stay secure if either one fails.
PKI and code-signing modernisation
Public key infrastructure and code-signing run as a dual stack, issuing classical and post-quantum certificates side by side during the transition.
Crypto-agility architecture
Cryptography moved behind clear interfaces and configuration, so an algorithm can be replaced without changing the systems that use it.
HSM integration
Post-quantum keys generated and stored in hardware security modules (HSMs), the tamper-resistant devices that keep private keys out of reach of software.
QKD advisory and HNDL defence
Advice on whether quantum key distribution (QKD), which exchanges keys over dedicated optical links, suits any of your links, and a plan against harvest now, decrypt later for your most sensitive traffic.
How the work runs
Discover
We scan code, systems and traffic to build your CBOM, and confirm it with the people who own each system.
Prioritise
We rank systems by how long their data must stay secret, how exposed they are and how hard they are to change.
Plan the migration
We agree the target algorithms, the hybrid period, the HSM and PKI changes and the order of the work.
Migrate in stages
We introduce hybrid algorithms first, test each system against its partners, and keep a rollback path for every change.
Verify and keep current
We rerun discovery to prove nothing old remains, and keep the CBOM current as systems change.
Proof in production
Our cryptographic work is backed by the Rust cryptographic engineering of KONG GROUP (DCTL), our parent group. The sovereign AI platform in our case study runs on hybrid quantum-safe TLS 1.3.
Standards and tools
- Security and cryptography
- Cryptographic bill of materials (CBOM)
- TLS 1.3
- Thales HSM
- HashiCorp Vault
- Standards and regulations
- NIST FIPS 203 (ML-KEM)
- NIST FIPS 204 (ML-DSA)
- NIST FIPS 205 (SLH-DSA)
- NIST post-quantum cryptography (PQC)
How to start
What happens next
Pre-consulting session
A free 30-minute online pre-consulting session: we go through your goals, systems and constraints.
Readiness review
In a free 48-hour readiness review, a Principal Architect checks your project against the 6-point Definition of Ready and recommends the track that fits.
Choosing the track
Scope-ready projects receive a binding proposal within 3–5 business days. Concept-stage projects start in the Blueprint Studio. A live system that is failing, undocumented or needs integration starts with a diagnostic of 1–2 weeks. The Blueprint Studio and the diagnostic each have a fixed fee, quoted in the proposal.
Delivery in five stages
Mobilisation, sprints with live demonstrations, integration and hardening, acceptance and go-live, then managed services. After launch comes a warranty period, then optional support and maintenance.
Embedded specialists and strategic augmentation
Nearshore and on-site principal engineers and specialists, and embedded solution, transformation, PQC and integration architects.
AI-native product teams
Managed, cross-functional pods of senior engineers, equipped with agentic coding and QA harnesses.
The quickest way in is the Post-quantum (CBOM) and agent security audit package, one of our rapid engagement packages.
Questions and answers
Quantum computers cannot break encryption yet. Why act now?
Because of harvest now, decrypt later. Traffic recorded today can be decrypted once a capable quantum computer exists, so data that must stay secret for years is at risk already. Migration also takes years in a large estate, and national PQC transition roadmaps are setting deadlines for it.
What is a cryptographic bill of materials?
A CBOM lists every cryptographic algorithm, key and certificate in your systems and where each is used, much as a software bill of materials lists components. It shows what must change, and it lets you prove to an auditor that nothing vulnerable is left.
Will post-quantum algorithms break our existing systems?
Not if the change is staged. Post-quantum keys and signatures are larger, and some older devices and partners cannot handle them yet. We use hybrid modes and a dual-stack PKI during the transition, test each system against its partners, and keep a rollback path.
Do our hardware security modules support post-quantum algorithms?
Support varies by model and firmware version. We check each HSM in the CBOM audit and plan upgrades or replacements only where they are needed.
Do we need quantum key distribution?
Rarely. Post-quantum cryptography runs on the networks and hardware you already have, while QKD needs dedicated optical links. We look at QKD only for a few high-value links where a regulator or a partner expects it.
Which standards do you migrate to?
The NIST post-quantum standards: FIPS 203 (ML-KEM), FIPS 204 (ML-DSA) and FIPS 205 (SLH-DSA), applied in protocols such as TLS 1.3. We align the plan with the national PQC roadmaps and sector rules that apply to you, in the Middle East, Europe and Asia.
Ready to build? Ask for a proposal.
Send your requirements or RFP. Our architects validate them and return a binding, fixed-scope proposal.
What happens next
Readiness review
In a free 48-hour readiness review, a Principal Architect checks your project against the 6-point Definition of Ready and recommends the track that fits.
Binding proposal
After architecture validation at no cost, you receive a binding, fixed-scope proposal within 3–5 business days: milestones, architecture, team structure and SLAs. We sign a non-disclosure agreement (NDA) with you on request, before you share your requirements.
Mobilisation
Once you sign, our engineering pods begin Sprint 0 within 5–10 business days of contract signature.
Delivery in five stages
Mobilisation, sprints with live demonstrations, integration and hardening, acceptance and go-live, then managed services. After launch comes a warranty period, then optional support and maintenance.