Quantum-Secure-By-Construction (QSC): A Paradigm Shift For Post-Quantum Agentic Intelligence
arXiv:2603.15668v1 Announce Type: new Abstract: As agentic artificial intelligence systems scale across globally distributed and long lived infrastructures, secure and policy compliant communication becomes a fundamental systems challenge. This challenge grows more serious in the quantum era, where the cryptographic assumptions built into today's AI deployments may not remain valid over their operational lifetime. Here, we introduce quantum secure by construction, or QSC, as a design paradigm that treats quantum secure communication as a core architectural property of agentic AI systems rather than an upgrade added later. We realize QSC through a runtime adaptive security model that combines post quantum cryptography, quantum random number generation, and quantum key distribution to secure interactions among autonomous agents operating across heterogeneous cloud, edge, and inter organizational environments. The approach is cryptographically pluggable and guided by policy, allowing the
arXiv:2603.15668v1 Announce Type: new Abstract: As agentic artificial intelligence systems scale across globally distributed and long lived infrastructures, secure and policy compliant communication becomes a fundamental systems challenge. This challenge grows more serious in the quantum era, where the cryptographic assumptions built into today's AI deployments may not remain valid over their operational lifetime. Here, we introduce quantum secure by construction, or QSC, as a design paradigm that treats quantum secure communication as a core architectural property of agentic AI systems rather than an upgrade added later. We realize QSC through a runtime adaptive security model that combines post quantum cryptography, quantum random number generation, and quantum key distribution to secure interactions among autonomous agents operating across heterogeneous cloud, edge, and inter organizational environments. The approach is cryptographically pluggable and guided by policy, allowing the system to adjust its security posture according to infrastructure availability, regulatory constraints, and performance needs. QSC contributes a governance aware orchestration layer that selects and combines link specific cryptographic protections across the full agent lifecycle, including session bootstrap, inter agent coordination, tool invocation, and memory access. Through system level analysis and empirical evaluation, we examine the trade offs between classical and quantum secure mechanisms and show that QSC can reduce the operational complexity and cost of introducing quantum security into deployed agentic AI systems. These results position QSC as a foundational paradigm for post quantum agentic intelligence and establish a principled pathway for designing globally interoperable, resilient, and future ready intelligent systems.
Executive Summary
The article introduces Quantum-Secure-By-Construction (QSC), a design paradigm that integrates quantum secure communication as a core architectural property of agentic AI systems. QSC combines post-quantum cryptography, quantum random number generation, and quantum key distribution to secure interactions among autonomous agents. This approach allows for a runtime adaptive security model that adjusts its security posture according to infrastructure availability, regulatory constraints, and performance needs. The authors demonstrate that QSC can reduce the operational complexity and cost of introducing quantum security into deployed agentic AI systems, positioning it as a foundational paradigm for post-quantum agentic intelligence.
Key Points
- ▸ Introduction of Quantum-Secure-By-Construction (QSC) as a design paradigm
- ▸ Combination of post-quantum cryptography, quantum random number generation, and quantum key distribution
- ▸ Runtime adaptive security model for adjusting security posture
Merits
Enhanced Security
QSC provides a robust security framework for agentic AI systems, protecting against quantum-era threats
Flexibility and Adaptability
The runtime adaptive security model allows for adjustments according to infrastructure and performance needs
Demerits
Complexity
The integration of QSC may add complexity to the system, potentially leading to increased operational costs
Scalability
The scalability of QSC in large-scale deployments is still to be fully explored and validated
Expert Commentary
The introduction of QSC as a design paradigm marks a significant shift in the development of post-quantum agentic intelligence. By integrating quantum secure communication as a core architectural property, QSC provides a robust security framework for agentic AI systems. The runtime adaptive security model and governance-aware orchestration layer are particularly noteworthy, as they enable the system to adjust its security posture according to infrastructure availability and regulatory constraints. However, the complexity and scalability of QSC in large-scale deployments require further exploration and validation.
Recommendations
- ✓ Further research is needed to fully explore the scalability and complexity of QSC in large-scale deployments
- ✓ The development of regulatory frameworks and standards for post-quantum secure communication in AI systems should be prioritized
