Quantum Computing Solutions is a Valencia-based cybersecurity startup focused on preparing enterprises and public administrations for the post-quantum era, combining practical cryptography engineering with sector-specific migration packages. Their core offer is quantum-safe protection for data at rest and in motion, with a particular focus on long-term file confidentiality and resilience against “harvest now, decrypt later” attacks, building on post-quantum cryptography standards emerging in Europe and beyond https://qcsolutions.io/
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At the technical level, the team provides a file-centric encryption product, Q-Files, which applies quantum-resistant algorithms to any type of document or binary, integrating with existing storage, DMS, and collaboration tools rather than forcing organisations to re-architect their infrastructure. On top of that, they design crypto-agility roadmaps: inventorying legacy RSA and elliptic-curve usages, defining hybrid schemes that combine classical and PQC algorithms, and aligning with NIST and ETSI guidance on post-quantum key encapsulation and digital signatures. This allows customers to introduce quantum-safe schemes into PKI, VPN, TLS termination, backups, and archive workflows in a controlled migration path rather than via risky big-bang replacement.
Beyond the product itself, Quantum Computing Solutions offers embedded engineering teams who work inside large organisations to assess risk, define a post-quantum security architecture, and implement sector-specific migration projects for finance, public sector, and critical infrastructure operators. Their medium-term vision is to turn that consulting playbook into a SaaS platform: a set of network-aware sensors and orchestration tools that automatically discover cryptographic assets, classify sensitivity, propose PQC policies, and progressively roll out quantum-safe configurations with continuous monitoring and reporting rather than relying only on manual audits.
This interview was recorded at Web Summit Lisbon 2025, where the founding team of engineers represented the Valencia startup pavilion and showcased how a regional deep-tech company can plug into the broader European post-quantum standardisation and funding landscape, including collaborations with institutions such as UPV, INCIBE and StartupValencia ([QCSolutions][2]). The conversation underlines a pragmatic message: organisations do not need a physical quantum computer to start acting; they need a clear cryptographic inventory, a staged PQC migration plan, and tools that make quantum-safe security a routine part of their cybersecurity and compliance strategy rather than a distant research topic.
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