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Quantum Resilience Services

Plan and execute a PQC migration that works

Post-quantum cryptography (PQC) migration is not a cryptographic switch. It is a multi-year transformation across platforms, products, suppliers, services, and operating models. Adnovum turns your risk priorities into a phased plan that reflects technical reality, protects operational continuity, and leads all the way to working quantum-safe systems. 

Plan your PQC migration

Moving deliberately
beats moving fast 

No two systems have the same risk, lifespan, ownership, vendor dependency, or capacity for change. A generic roadmap creates false certainty. A last-minute program creates cost and disruption. The better approach is to sequence the transition by risk and feasibility, integrate it with existing programs and budget cycles, and use interim measures where full migration is not yet possible. 

From priorities to a
platform-aware PQC roadmap

We translate your risk-ranked backlog from the quantum risk assessment into a practical migration design. The roadmap shows what needs to happen, in which order, under whose ownership, with which dependencies, and at what decision points. It is built around the systems you actually operate, not an idealized target state.

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Segment the estate

Group systems into migration archetypes based on architecture, control, criticality, lifetime, and vendor dependency.

Map dependencies

identify technical sequencing constraints across applications, identity, PKI, networks, cloud, hardware, interfaces, and data flows. 

Align vendors

track product roadmaps, procurement implications, support windows, and cases where supplier readiness becomes the bottleneck.

Define interim patterns

use middleware, isolation, segmentation, gateways, or compensating controls where immediate migration is not feasible. 

Plan capabilities and investment

align skills, governance, tooling, budgets, and delivery capacity with each phase. 

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Choose the right path
for every system

Not every asset should be treated the same. We evaluate risk, remaining lifetime, technical feasibility, and business value to select the most appropriate strategy:

Migrate in place

replace vulnerable algorithms in critical, long-lived systems that can support PQC.

Move to a modern platform

combine the security transition with planned cloud, application, or infrastructure modernization.

Protect through an interim architecture

educe exposure using cryptographic middleware, gateways, isolation, or segmentation.

Operate to end of life

avoid unnecessary migration where a system will be retired before its risk becomes material.

Accept and govern
the risk

document justified exceptions for low-sensitivity, short-lived information.

Retire the service

decommission systems where migration cost exceeds the remaining value.

Strategy that ships 

A plan only creates value when it reaches production. Adnovum turns the agreed roadmap into controlled delivery: validating pilots, preparing rollout waves, coordinating stakeholders, testing operational readiness, and building the capabilities needed for continuous improvement. 

Depending on the state of each system, we implement the most practical delivery path: direct security migration, legacy modernization, or a carefully sequenced combination that reduces quantum risk while protecting business continuity. 

Security migration

For systems that can be migrated directly, we implement quantum-safe controls across applications, PKI, certificates, identity, HSMs, networks, and platforms. We validate interoperability, performance, backward compatibility, and operational readiness before scaling the migration into production.

Legacy modernization

For systems that cannot be changed safely or economically, we design a defensible modernization path, which can include modernizing the application itself. Security improves while essential services keep running, and legacy constraints become part of a managed migration plan rather than a blocker. 

Learn more about your delivery path

Build crypto-agility beyond the first migration

PQC is an important milestone, not the final destination. Standards, vulnerabilities, and supplier capabilities will continue to evolve. We help you decouple cryptography from business logic, centralize control where appropriate, and establish the governance and architecture needed to replace algorithms with less disruption. The goal is not a second migration. It is lasting crypto-agility. 

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What you receive

Phased PQC migration roadmap: prioritized work packages, dependencies, milestones, decision gates, and ownership. 

System-level migration strategies: a documented path for each asset or platform category. 

Target architecture and validated patterns: including middleware, isolation, segmentation, and crypto-agile approaches. 

Capability and resourcing plan: required skills, partners, tooling, governance, and budget profile. 

Executive program narrative: rationale and progress measures suitable for leadership, audit, oversight, and regulatory stakeholders. 

Implementation support: pilots, production rollout, testing, operational handover, and ongoing crypto-agility. 

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We take you from first priorities to quantum-safe systems, step by step. And your business keeps running the whole time.
Plan your pqc migration

1988

... was when we first started building secure digital solutions for our clients.

About Adnovum

Why Adnovum?

We combine deep security expertise with a long-standing track record in secure software engineering and the modernization of complex, business-critical systems. Our teams understand cryptography, architecture, delivery, operations, and governance. That breadth matters when a transition crosses organizational boundaries and must succeed without compromising continuity, trust, or public responsibility. 

Frequently asked questions

How long does a PQC migration take?

For most organizations, several years. But it depends heavily on your environment. Organizations that rely mostly on third parties are bound by vendor roadmaps. Those that build, operate or manage significant parts of their own systems and infrastructure face more work but control their own pace. Prioritizing your most critical systems won’t shorten the overall migration, but it means your biggest risks are addressed first.

By when do organizations need to migrate to post-quantum cryptography?

Most roadmaps target around 2030 for high-risk systems and 2035 for the rest. These are reference timelines rather than legal deadlines for most organizations, but regulators and clients increasingly expect alignment with them. The EU roadmap asks for high-risk use cases to be migrated by the end of 2030 and as many other systems as feasible by 2035. In its final transition plan, NIST deprecates all quantum-vulnerable public-key algorithms, such as RSA and elliptic-curve cryptography, after 2030, regardless of key size, and disallows them after 2035. 

What does FINMA expect from Swiss financial institutions?

FINMA Guidance 05/2026 recommends a PQC roadmap by mid-2027 at the latest, based on a strategy adopted by the board of directors. It also recommends a cryptographic inventory, protection of critical data against «harvest now, decrypt later» attacks, and crypto-agility as a requirement for new systems and outsourcing arrangements. 

What if a system or vendor cannot support PQC yet?

Such systems get interim protection, and their migration is planned around their limits. Typical interim measures are cryptographic middleware, gateways, and network segmentation. For each system, the roadmap tracks the vendor's PQC plans and support windows, and the point at which modernization or replacement becomes the better option. 

Should we use hybrid cryptography during the migration?

Often, yes, for a transition period. Hybrid schemes combine a classical and a post-quantum algorithm and stay secure as long as one of them holds. Switzerland's Federal Office for Cybersecurity calls hybrid operation ideal for migration, and NIST expects hybrid solutions to be temporary, while leaving organizations to determine the approach and transition timeline that best fit their needs. 

What is crypto-agility, and why does it matter after the migration?

Crypto-agility, or cryptographic agility, is the ability to replace cryptographic algorithms, keys, and parameters without redesigning the applications that use them. It matters because standards and threats keep changing: the next change should be a configuration update, not another migration project. FINMA recommends crypto-agility as a requirement for all new systems and outsourcing arrangements.