By: Dr. (Hon.) Govind Pathak (Author, Quantum Technology: From qubits to computing, communications, security, and the Discovery Economy)
The Quantum Countdown
By 2026, Quantum technology has quietly crossed a line. It is no longer confined to physics laboratories and research papers. Governments are funding national missions, standards bodies have published new encryption algorithms, and technology companies are racing to build machines that can run useful Quantum workloads.
Yet in most boardrooms, Quantum is still treated as a topic for the next decade. That is the real risk. The organizations that wait for Quantum computers to become mainstream before acting will discover that the most important decisions were due years earlier, and that some of their most sensitive data was already exposed.
The Harvest Now, Decrypt Later Problem
Much of the world's digital trust rests on RSA and elliptic-curve cryptography. These protect banking transactions, government communications, health records, and software updates. Their strength comes from mathematical problems that classical computers cannot solve in any practical time. A sufficiently powerful Quantum computer could.
No such machine exists today, but adversaries do not need one yet. In a "harvest now, decrypt later" attack, adversaries intercept and store encrypted data today, then unlock it once Quantum capability matures. If your data must stay confidential for ten years or more, the threat to it is not in the future. It has already begun.
The good news is that the response is available. In August 2024, the US National Institute of Standards and Technology published its first post-Quantum cryptography standards (FIPS 203, 204 and 205). The hard part is migration. Cryptography is buried inside applications, devices, network equipment, vendor products, and legacy systems. Finding it all, and replacing it without breaking anything, takes years.
Harvest now, decrypt later
Beyond Computing: The Wider Quantum Stack
Quantum technology is often reduced to Quantum computing, but that is only one layer. The full stack is broader, and several layers are already in deployment.
Quantum sensing uses the extreme sensitivity of Quantum systems to measure time, gravity, and magnetic fields with remarkable precision, enabling navigation without GPS and new forms of medical imaging. Quantum communication distributes encryption keys in a way that reveals any interception attempt. Quantum networks, linked over fiber and satellites, form the early foundations of a future Quantum internet and are increasingly tied to 6G and space infrastructure.
For telecom operators, data center owners and critical infrastructure providers, these are not abstract ideas. Network architectures being designed today will still be running when Quantum capabilities arrive at scale. They need to be built quantum-safe from the start.
The wider Quantum technology stack
Why Quantum Is Now a National Priority
Quantum capability has become a question of technology sovereignty. Nations that lead in Quantum research, hardware, talent and secure communication will hold a strategic advantage in defense, finance and the digital economy.
India has recognized this through the National Quantum Mission, approved in 2023 with an outlay of over ₹6,000 crore through 2030–31, spanning Quantum computing, communication, sensing and materials. For Indian enterprises, startups and students, this opens real opportunities in research partnerships, skilled roles and domestic supply chains. It also raises expectations. Regulators, customers and partners will increasingly ask what your organization is doing to prepare.
India's National Quantum Mission
The Path to Quantum Readiness
Quantum readiness does not require a large budget on day one. It requires clarity, discipline and an early start. Four pillars define the journey:
- Fundamentals: Build a shared understanding across leadership and technical teams of what Quantum technology can and cannot do, so decisions are driven by facts rather than hype.
- Cryptographic inventory: Map where cryptography lives across your systems, vendors, and networks, and identify the data that must remain secure the longest.
- Use-case discipline: Separate problems that genuinely benefit from Quantum methods, such as molecular simulation and complex optimization, from those where classical computing remains the better choice.
- Governance and talent: Assign ownership, set a phased post-Quantum migration roadmap, and invest in the skills and partnerships needed to execute it.
Organizations that work through these pillars now will be able to adopt Quantum advantages when they arrive, rather than scrambling to defend against Quantum threats.
The path to Quantum readiness
Staying Ahead of the Curve
This is exactly the gap that Quantum Technology: From qubits to computing, communications, security, and the Discovery Economy is written to close. Drawing on over three decades of experience in telecommunications, enterprise architecture, and system integration, the book takes readers from the fundamentals of qubits to Quantum hardware, communication, satellites and 6G, post-quantum security, national strategies, and industry use cases. It closes with an enterprise readiness framework and a practical 90-day plan that any organization can begin with.
Written for students, technology professionals, business leaders and policymakers, it offers clarity without the physics overload and strategy without the hype.
Is your organization ready for the day encrypted data stops being secret? Do your leaders know where Quantum will create value, and where it will create risk? The Quantum era will not arrive with a single announcement. It is arriving step by step, in standards, budgets and boardroom decisions.
Ready to prepare for the Quantum era? Grab your copy of Quantum Technology: From qubits to computing, communications, security, and the Discovery Economy today and start building a Quantum-ready future on your own terms.
