Quantum computing is changing the long-term security assumptions behind today’s cryptography. Sensitive data with a long life may already be exposed to harvest-now-decrypt-later attacks, where encrypted information is collected today with the intention of decrypting it when quantum capabilities become available.
CGI post-quantum cryptography (PQC) Essentials helps you understand where your organisation may be exposed, identify what matters most and plan a practical transition to post-quantum cryptography (PQC).
Turn quantum risk into a practical plan
Preparing for PQC is about more than finding vulnerable cryptography. You need to understand which data, keys and trust paths create the greatest future exposure and where to focus first.
As one of the first NCSC-assured Cyber Security consultancies for PQC Discovery and Migration Planning, we provide a standardised approach that helps you move from understanding your risk to setting evidence-based priorities and planning your transition.
A clear route to quantum readiness
PQC Essentials brings together four connected stages:
- Establish the context: Build a shared understanding of quantum risk, business impact and the case for action.
- Discover and assess: Identify vulnerable cryptography and important dependencies across your technology environment.
- Evaluate readiness: Understand gaps in crypto-agility and the controls needed to support transition.
- Plan the transition: Prioritise and sequence change based on risk, operational needs and readiness.
The result is a clearer evidence base for investment and decision-making, supported by a phased migration roadmap.
Move forward with confidence
Quantum readiness involves technology, risk, governance and business continuity. We work alongside your teams to turn complex cryptographic dependencies into practical priorities.
When you are ready to move beyond assessment and planning, we can also support implementation, from PQC pilots and PKI transition to key management, vendor engagement, governance and assurance.
Your organisation, quantum-ready, with CGI.
