Building India's quantum backbone with QKD

India's push for QKD networks is reshaping security, demanding policy clarity, legal reform, and early adoption to protect national infrastructure.

- BY GAURAV SAHAY

For a country like India, with its vast and sensitive infrastructure across governance, defence, and financial sectors, the development of a quantum communication backbone is not just an aspirational goal but a national imperative. Drawing lessons from the recent and ongoing Operation Sindhoor, quantum key distribution (QKD) has emerged as a critical frontier in securing communications.

Quantum technology provides a secure communication solution that is resistant to attacks, including those from future quantum computers. India's early steps in this direction, through institutional engagement and pilot initiatives, reflect both the strategic significance and the complex regulatory ecosystem within which such technologies must operate.

The value of quantum-secured communication lies in its ability to redefine data protection and national security frameworks. For India, it represents a formidable enhancement of confidentiality and integrity across its information ecosystem. The potential for adversarial states or actors to compromise existing encryption protocols poses an imminent risk to the nation’s digital sovereignty. QKD directly mitigates this risk by raising the security threshold to a level that cannot be breached without detection.

POLICY FRAMEWORKS FOR A QUANTUM SHIFT

Integrating QKD into India's critical infrastructure would significantly reduce reliance on legacy encryption protocols that are vulnerable to foreseeable advances in computing. This technological shift aligns with national cyber and data protection policies, as well as the objectives of the Defence Cyber Agency and other security stakeholders.