Quantum computing promises a paradigm shift in how we process information, tackle complex scientific problems, and secure data for future generations. From designing new pharmaceuticals to safeguarding financial systems against next-generation attacks, quantum technologies hold transformative potential across virtually every industry.

The theoretical concept of quantum supremacy is seen as a significant milestone in quantum computing, referring to the point at which quantum computers could outperform classical computers. As the race to build more powerful quantum computers heats up, the concept of quantum supremacy gets closer to reality.  

QC Skills Shortage

Currently, one of the main risks to the evolution of quantum technology is a severe shortage of the skills. Professionals who can forge breakthroughs in hardware, algorithms, and integrated solutions - outside of the research and academic environments - required to bring scalable solutions to market.  

These challenges also present opportunities for individuals and organisations in the engineering, computing, and scientific communities. 

Career paths in Quantum Computing (QC) and the wider Quantum Information Science (QIS) include:

• Quantum Machine Learning Scientist
• Quantum Engineer
• Quantum Algorithms Scientist  
• Qubit Researcher
• Quantum Control Researcher
• Quantum Error Correction Researcher

All entry level QC roles will usually require a PhD/MSc as a prerequisite, this in Quantum technologies, Physics, Maths, Computer Science or Engineering. Proficiency in Python, C/C++, Matlab or Linux will also be needed.

Quantum Hardware

The UK’s most powerful quantum computer is Cambridge bound. The 256-qubit quantum computer will be housed at the University of Cambridge and is set to ‘supercharge’ quantum research in the UK.

In partnership with IonQ, (the US quantum technology firm that acquired Oxford Ionics for $1.1bn in 2025), the project will see the first commercial-scale quantum computer installed at a UK university. The system will be housed in the new IonQ Quantum Innovation Centre located on campus and marks the university’s largest-ever corporate research partnership.

“This is a true partnership, with long-term investment, shared research and co-development in all areas of quantum technology, bringing together physics, engineering, medicine, computer science, policy and more,” said Professor Mete Atatüre, head of the Cavendish Laboratory, the physics department of the University of Cambridge.

As part of the collaboration, Innovate UK, the UK’s innovation agency and part of UK Research and Innovation (UKRI), will provide access and computing time for UKRI’s National Quantum Computing Centre over three years. This will enable researchers and early-stage companies from across the UK to make use of its computing power.

The University of Cambridge announced the partnership with IonQ in March 2026, but no date has been finalised for the installation.  

Quantum Supremacy and Security  

The prospect of quantum supremacy has profound implications for the future of computing and various industries, and not the least for security.

Current digital security methods rely on cryptography or encryption, and the effectiveness of modern encryption algorithms is based on the computational difficulty of certain mathematical problems, such as factoring large numbers or solving discrete logarithm problems. Classical computers struggle to resolve these problems within a reasonable timeframe, but quantum computers have the potential to solve them quickly and efficiently. This creates an emerging threat to current digital security and leads to the rapidly developing fields of post-quantum cryptography and quantum cryptography.

Post-Quantum Cryptography

Bodies such as the US National Institute of Standards (NIST) have been collaborating with industry experts on the development of post-quantum cryptography standards. Post-quantum cryptography substitutes existing algorithms with a set of maths problems that are difficult for both classical and quantum computers to solve. After a six-year programme, NIST has selected the first four encryption algorithms, which will become part of a pending post-quantum cryptographic standard. A

Quantum Cryptography

Parallel to the post-quantum cryptography developments, the emerging field of quantum cryptography aims to secure digital communication by harnessing the fundamental principles of quantum mechanics. Although still in its infancy, quantum cryptography is starting to be deployed in critical infrastructure and finance sectors to secure transactions and protect sensitive data.

Significant investment has been made in the research and development of these critical security technologies, but a severe skill shortage threatens to slow down their evolution.  

Ethics and Regulation  

As with any rapidly emerging technology with disruptive potential, the development of an appropriate regulatory framework addressing the following aspects is essential. Ethical and social concerns include resource allocation and inequality, abuse of power, accountability and transparency, and potential job displacement.

The development of quantum-resistant security standards is a priority, while proactive regulation is required to ensure the safeguarding of privacy.

The economic impact of quantum technology will be high, and a regulatory framework must manage potentially disruptive economic implications and ensure a level playing field for all stakeholders.

Given the global nature of quantum technology, international collaboration is essential to ensure a globally harmonised regulatory environment that fosters innovation.