2026 Is the Year Quantum Computing Gets Serious About Security

There has been speculation for several years that quantum computing would deliver a revolutionary advance, capable of solving complex problems exponentially faster than classical computers. It could also tackle problems that have so far been too complex for even the most powerful supercomputers. That has the potential to design new technologies, but there are also concerns that it could break virtually all current encryption, threatening sensitive data, financial systems, and critical infrastructure.

2025 has been described as the year of “Quantum Awareness,” with the United Nations designating it the International Year of Quantum Science and Technology—an initiative aimed at fostering international partnerships.

In a 2025 update, The Quantum Insider identified 2026 as the Year of Quantum Security, “a coordinated, year-long global effort focused on post-quantum cryptography, quantum resilience, and the responsible protection of quantum technologies and the intellectual property that underpins them.”

It officially launched on Monday, initiating a deliberate shift in emphasis for the emerging technology.

“Given the nature of quantum technology, every year is a ‘year of quantum security’ since the fundamental drivers behind its development have always involved cryptanalysis,” James Purtilo, associate professor of computer science at the University of Maryland, told ClearanceJobs.

“The framing is marketing, but the underlying urgency is real,” added Michael Bell, CEO of Suzu Labs.

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