Artificial intelligence is raising urgent concerns in the cybersecurity landscape, but quantum computing development is completely reshaping it. Once mature, cryptographically relevant quantum computers (CRQC) will be able to break today’s most widely used encryption quickly and easily.
CRQC are not here yet, but the threat is already active as adversaries can intercept and store encrypted traffic today, then decrypt it retroactively once a capable quantum computer exists: the “harvest now, decrypt later” attack. Hence, any data that must stay confidential for years to come is already at risk.
Organizations, institutions and governments are already migrating to quantum-safe communications.
Luxquanta is a Barcelona-based quantum cybersecurity company building and commercializing the physical encryption layer for that future. Its commercial system, Nova lq®, uses Continuous-Variable Quantum Key Distribution (CV-QKD) to generate and distribute symmetric encryption keys encoded in the quantum states of light.
Because these keys come from the laws of physics rather than mathematical algorithms, no amount of computing power, classical or quantum, can break them. The same quantum properties mean that any interception attempt measurably disturbs the quantum channel, so eavesdropping is detected immediately and the compromised key is discarded before it is ever used.
Nova lq® is already deployed across Europe and beyond, protecting banks, telecom operators and data centers against both current and future threats. Nova lq® adds a quantum-safe physical layer to the fibre networks NRENs already operate, with no new dark fiber, no experimental equipment, and no disruption to the key management systems already in place.
Luxquanta is an active contributor to Europe’s Quantum Communication Infrastructure initiative (EuroQCI). It successfully led the QUARTER project and currently leads QUARTERNEXT, a DEP1 industrial project maturing quantum-safe technologies for EuroQCI deployment.
As part of EuroQCI’s overall goal to deploy a pan-European QKD network across member states, providers like Luxquanta develop and commercialize the solutions needed to make it real. These deployments are already happening.
Live examples of QKD in public networks trace back to Luxquanta’s first commercial deployment in 2022, a 30 km point-to-point quantum link between the Institute of Photonic Sciences (ICFO) in Castelldefels and CTTI, the Center for Telecommunications and Information Technologies of the Government of Catalonia, running over fiber operated by Cellnex Telecom’s “Xarxa Oberta de Catalunya.”
Since then, several QCI deployments have been made across Europe. One representative case can be found in Malta, where the Nova lq® systems secure five distinct socio-economic verticals on shared infrastructure, spanning national government registries, state healthcare facilities, national research and education infrastructure, commercial data hubs, and confidential national sites. The network was built in partnership with Merqury Cybersecurity, the University of Malta and the Malta Information Technology Agency (MITA), running over Melita’s telecom infrastructure.
Luxquanta offers the guidance to navigate the quantum-safe migration, along with ready-to-deploy QKD systems that easily integrate and coexist with the networks and traffic you already run. We help you keep long-lived research and personal data confidential, even against tomorrow’s quantum computers. Without added complexity or new infrastructure.
Let us guide you in your quantum-safe migration journey.
Contact us at info@luxquanta.com and visit luxquanta.com for more information.
