In just a few short years, quantum computing has evolved from a distant and nebulous concept into a rapidly advancing field that’s reshaping cybersecurity and data protection. Quantum computing may sound intimidating, but fortunately you don’t need a PhD in physics to start preparing customers for the quantum era. All you need is a working knowledge and a sense of urgency. According to Capgemini, nearly two-thirds (65 percent) of organizations see quantum computing as the most critical cybersecurity threat in the next three to five years. Organizations that fail to modernize their environments today risk being left vulnerable to nextgeneration attacks, and many are unaware of how quickly the threat landscape is changing. Here we’ll explore how quantum computing is transforming cybersecurity and provide a blue blueprint to help your customers prepare for the next generation of threats. What is Quantum Computing? Quantum computing is a new approach to computing that leverages the laws of quantum mechanics. Unlike traditional computers, which process binary digits – or zeros and ones – quantum computers manipulate quantum bits (qubits) which can exist as both zero and one at the same time through principles such as superpositioning and entanglement. Translation: quantum computers can perform multiple high compute tasks at once, making them exponentially faster and more powerful than classical computers. The nascent quantum industry is now attracting significant capital and investor confidence. McKinsey predicts that by 2035, quantum computing alone could be worth $72 billion, with the broader quantum technology (QT) space – such as quantum sensing and communication – on pace to reach almost $200 billion by 2040. “In 2024, the QT industry saw a shift from growing quantum bits (qubits) to stabilizing qubits – and that marks a turning point,” said McKinsey in its report. “It signals to mission-critical industries that QT could soon become a safe and reliable component of their technology infrastructure.” Looking beyond cybersecurity, companies will need guidance around a variety of areas in the coming years, from identifying and prioritizing quantum-relevant business problems to building pilot programs and developing quantum roadmaps. The Rising Cybersecurity Threat As the quantum industry builds momentum, concerns are mounting over its impact on cybersecurity. The main issue is that quantum computing poses a direct threat to leading encryption frameworks such as Rivest-Shamir-Adleman (RSA) and Elliptic Curve Cryptography (ECC), which organizations currently rely on to safeguard sensitive data. By Gerald Baldino A tech advisor’s guide to quantum computing and cybersecurity CYBER PATROL Quantum Leap 26 CHANNELVISION | FALL 2025
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