QNu Labs CEO Says Defense Driving Revenue in Quantum Security, But Interest Grows in Other Sectors

In this interview with The Quantum Insider, QNu Labs CEO Sunil Gupta confirmed that India's defence sector remains the primary revenue driver for quantum security products, while signalling that interest from adjacent sectors is accelerating meaningfully. Defence clients have been the earliest adopters of QKD technology because they face the highest-consequence scenarios from a communications breach, operate under mandates to secure classified data with the strongest available technology, and have institutional procurement processes to evaluate and deploy quantum security solutions at scale. The Indian Army's role in enabling the 500-km QKD network demonstration in Rajasthan is cited as a key example. However, banking and financial services, telecommunications, and critical infrastructure operators are increasingly initiating conversations, driven by rising awareness of the Harvest Now, Decrypt Later threat and the availability of commercially deployable quantum security products. HDFC Bank's strategic investment in QNu Labs is positioned as concrete manifestation of this growing BFSI interest. Gupta noted that the transition from initial conversations to procurement in these sectors is longer than in defence, given legacy system integration complexity and multi-stakeholder approval processes.

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Quantum Insider - QNu Labs CEO Says Defense Driving Revenue in Quantum Security, But Interest Grows in Other Sectors