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Industrial control systems (ICS) are predominantly SCADA systems, which play a vital role in managing critical infrastructure tasks like energy, water, and transportation. Quantum computing advancements have exposed conventional cryptographic algorithms like RSA, DSA and ECC to significant security risks. This work discusses the potential use of quantum-resistant cryptography to handle future risks in SCADA systems. This manuscript proposes an architecture for SCADA System with IEC 60870–5-104 and QKD-Enabled Encrypted Communication, reviews the quantum-proof algorithms and protocols, analyzes the challenges associated with legacy system transitions, and suggests ways to upgrade SCADA security using post–quantum cryptography.

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Quantum-Resistant Cryptography for SCADA Systems: Enhancing Security in the Quantum Era

  • 会议论文

  • 发表日期：

    2026年

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  • Asha Durafe

摘要

Industrial control systems (ICS) are predominantly SCADA systems, which play a vital role in managing critical infrastructure tasks like energy, water, and transportation. Quantum computing advancements have exposed conventional cryptographic algorithms like RSA, DSA and ECC to significant security risks. This work discusses the potential use of quantum-resistant cryptography to handle future risks in SCADA systems. This manuscript proposes an architecture for SCADA System with IEC 60870–5-104 and QKD-Enabled Encrypted Communication, reviews the quantum-proof algorithms and protocols, analyzes the challenges associated with legacy system transitions, and suggests ways to upgrade SCADA security using post–quantum cryptography.