Quantum machine learning: a new tool in the cybersecurity locker

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This article is brought to you thanks to the collaboration of The European Sting with the World Economic Forum./

Author: Johnny Wood, Writer, Forum Agenda


  • Quantum computing threatens all current cybersecurity protocols.
  • But quantum machine learning, with its ability to process huge datasets, could provide stronger forms of cybersecurity.
  • Organizations should begin long-term planning for the new quantum landscape.

As quantum computing becomes a reality, we are witnessing the formation of the quantum economy. Several companies are already offering quantum-as-a-service and quantum-in-the cloud. However, the ecosystem will soon include many additional services, such as quantum circuit optimization or efficiency advisers. We will see business models and industries, as well as secondary technologies and product offerings, built on this foundation. Prices will go down and availability will go up, including a reduction of entry barriers.

Quantum computing will have a significant impact on several industries – including finance, where institutions will enhance their current financial predictions with quantum technologies; and pharma, where drug discovery and optimization will be enhanced by performing simulations with quantum computers. Quantum computing is a new paradigm, and it represents a revolutionary way of asking questions and building solutions. Many new approaches will be built on it, and it will drive vast changes in many fields.

For several reasons, the combination of quantum computing with machine learning (ML), quantum machine learning (QML), has a very high potential. Both areas have uncertainty at their core, a disadvantage that turns into a strength in the quantum arena. The internal inaccuracy of machine learning enables the calculation of otherwise unattainable outcomes in terms of input volume and calculation speed – in addition to a field of application that exhibits high levels of ambiguity (for example, in image classification, the concepts of “cat” and “dog” are not well-defined). The probabilistic nature of quantum computing, which is a critical impediment to many algorithms, harmonizes well with these properties. For these reasons, QML is on a path to becoming one of the first applications of quantum computing outside academia. As a result, stakeholders in academia, industry and government are already showing considerable interest in quantum machine learning.

Quantum cybersecurity

Cybersecurity is weak across our digital ecosystem. Companies and governments already face many threats and are struggling to keep their computing environments secure. Conceptually, these threats include well-funded and deeply motivated malicious actors, crime-as-a-service, as well as state-sponsored activity – including, for example, terrorism, cyber warfare and industrial espionage.

Quantum computing has potential to worsen the situation. Adding quantum computing capabilities to the threat could make malicious actors even more effective. For example, new computational options offered by quantum computing could make it easier to find exploitable security gaps or trick existing ML and QML models into a behaviour desired by the attacker.

Yet, the picture is not entirely bleak. Artificial intelligence and machine learning have been used for some time to achieve cybersecurity goals and to protect against threats. ML can detect abnormal behaviour or identify malicious emails or executable code. Most of the time, these applications require huge amounts of data during the training phase. As a result, traditional ML for cybersecurity is very resource-intensive and expensive. However, innovations over the last decade, whether in hardware (like tensor processing units) or in AI models (like ChatAI and ImageAI in various forms and flavours), have lowered the cost of ML, thereby making the development of market products more sustainable.

Quantum machine learning has the potential to generate significant efficiency benefits to the model training phase, making ML a more effective security tool. Due to inherent aspects of quantum computing like entanglement and superposition, the processing of huge datasets can be facilitated and simplified. While the still unsolved issue of data encoding and loading into a quantum computer stands in the way of processing high volumes of data with a quantum computer at this time, we fully expect industry to overcome these challenges over the next decade.

Machine learning in the real world

In academia, cybersecurity QML has progressed based on simulations. However, at some point simulations fall short and real-world tests are needed. The detection of spam in emails can be considered a benchmark: it is well understood, not overly complex, and has a vast amount of useful training data available. Together with Fraunhofer IAIS, Capgemini has used an actual quantum computer to conduct spam filtering. While this method is not currently cost-effective, it demonstrates what is possible, as well as the advantages and disadvantages of using today’s quantum devices for cybersecurity QML.

We can foresee other uses for quantum machine learning in cybersecurity, such as mapping critical infrastructure or the cybercriminal ecosystem. Combining these applications will make QML into a highly effective tool for defenders.

Staying ahead of the quantum curve

Given the current state of quantum computing, cybersecurity companies do not need to create concrete plans for integrating quantum computing into everyday business operations in the near future. That said, the quantum computing ecosystem is evolving, with significant recent advancements (such as Google’s presentation of the first quantum error correction algorithm) and products (such as IBM’s Osprey chip with 433 qubits). At the same time, research projects are breaking the barrier from purely theoretical to simulated and now to actual quantum experiments. Not only do these changes mean that we can reduce the amount of quantum computing hype, but also that we will soon have reliable data points to project what the near future will hold for quantum computing.

Investing in quantum computing requires long-term thinking; tangible returns will not be realized in the near future. Waiting for others to carry the burden, however, brings a risk of being under-prepared and behind the curve. The impending revolution is likely to leave unprepared organizations razed in its wake.

Discover

What is the World Economic Forum doing on cybersecurity?

The World Economic Forum Centre for Cybersecurity drives global action to address systemic cybersecurity challenges. It is an independent and impartial platform fostering collaboration on cybersecurity in the public and private sectors. Here are some examples of the impact delivered by the centre:

Cybersecurity training: Salesforce, Fortinet, and the Global Cyber Alliance, in collaboration with the Forum, provide free and accessible training to the next generation of cybersecurity experts worldwide.

Cyber resilience: Working its partners, the Centre is playing a pivotal role in enhancing cyber resilience across multiple industries: Oil and Gas, Electricity, Manufacturing and Aviation.

IoT security: The Council on the Connected World, led by the Forum, has established IoT security requirements for consumer-facing devices, safeguarding them against cyber threats. This initiative calls upon major manufacturers and vendors globally to prioritize better IoT security measures.

Paris Call for Trust and Security in Cyberspace: The Forum is proud to be a signatory of the Paris Call, which aims to ensure global digital peace and security, emphasizing the importance of trust and collaboration in cyberspace.

Contact us for more information on how to get involved.

In conclusion, change is coming to the cybersecurity industry that reflects changes in the broader digital ecosystem. While we cannot say precisely how QML will be incorporated into cybersecurity operations, we can foresee its utility as a security tool. Given the overall state of cybersecurity, it cannot get here a moment too soon.

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