Purpose: The study investigates implication of quantum computing to Indonesia’s national resilience, focussing on digital security and governance. Study Design/Methodology/Approach: The study use descriptive qualitative approach supported by literature-based analysis of international and domestic sources published between 2018 and 2025. Findings: The study finds that major powers like United States, China, and the European Union have launched coordinated quantum ecosystem research that can influence global value chains and security. For Indonesia, ATHG from quantum computing are large-scale decryption of public key cryptography and the HNDL threats because Indonesia still have human resource limitations, inadequate research infrastructure, and the the lack of integrated regulatory framework. Therefore, the study propose short term strategy to build roadmap for post-quantum cryptography and cryptographic asset inventory and national digital coordination, and long-term strategies to develop technological independence and quantum advanced education. Originality/Value: This study integrates quantum computing into the national resilience framework and provides actionable policy directions to strengthen Indonesia’s technological sovereignty in the quantum revolution.
Purpose: The study investigates implication of quantum computing to Indonesia’s national resilience, focussing on digital security and governance. Study Design/Methodology/Approach: The study use descriptive qualitative approach supported by literature-based analysis of international and domestic sources published between 2018 and 2025. Findings: The study finds that major powers like United States, China, and the European Union have launched coordinated quantum ecosystem research that can influence global value chains and security. For Indonesia, ATHG from quantum computing are large-scale decryption of public key cryptography and the HNDL threats because Indonesia still have human resource limitations, inadequate research infrastructure, and the the lack of integrated regulatory framework. Therefore, the study propose short term strategy to build roadmap for post-quantum cryptography and cryptographic asset inventory and national digital coordination, and long-term strategies to develop technological independence and quantum advanced education. Originality/Value: This study integrates quantum computing into the national resilience framework and provides actionable policy directions to strengthen Indonesia’s technological sovereignty in the quantum revolution.
The rapid development of quantum computing is one of the most transformative technological developments of the twenty-first century with profound implications for cybersecurity, digital governance and the future of secure communication systems. Traditional cryptographic infrastructures have fundamentally underpinned digital trust in banking, healthcare, defense, cloud computing, and global communication networks, but the advent of quantum computational power has led to increasing concern about the future of existing standards for encryption. This qualitative study critically examines the changing relationship between quantum computing and post-quantum cryptography through an analysis of the technological, institutional, ethical and governance challenges in the transition to quantum-secure digital systems. The study adopts an interpretivist and exploratory qualitative orientation that aims to understand how governments, cybersecurity experts, technology institutions and policy frameworks are responding to the disruptive potential of quantum technologies. Data were collected using thematic analysis of academic literature, cybersecurity policy documents, archival technological reviews, expert commentaries, institutional reports, and emerging case studies related to the development of quantum-resistant cryptography. The results show that quantum computing presents serious threats to existing public-key cryptographic systems, especially in terms of theoretical abilities of Shor’s algorithm and future quantum decryption models. Meanwhile, the paper outlines post-quantum cryptography as a vital avenue for safeguarding digital privacy, institutional credibility, and cybersecurity robustness in an ever more networked society. The analysis also points to ongoing challenges around technological readiness, regulatory uncertainty, global standardization, resource inequality and ethical issues around surveillance, privacy and digital sovereignty. Yet, the research points to the potential for secure digital transformation, resilient cybersecurity governance, and the re-inventing of future communication infrastructure through post-quantum innovation. The research finds that the transition to quantum-secure systems is not just a technological challenge, but a multidimensional governance and policy challenge requiring international cooperation, ethical foresight and proactive institutional change.
Quantum technologies are rapidly emerging as a transformative force with profound implications for critical infrastructures, national security, and global governance. Quantum computing, quantum communications, and quantum sensing promise unprecedented advances in data processing, secure communications, and environmental and infrastructure monitoring. At the same time, their disruptive potential introduces new ethical, security, and geopolitical risks, particularly for systems that underpin modern societies such as energy networks, telecommunications, finance, transportation, and defence infrastructures. This paper examines the governance of quantum technologies for critical infrastructures, moving from ethical impact assessment to the formulation of coherent national strategies. The study argues that the unique characteristics of quantum technologies — including their high degree of complexity, dual-use nature, and capacity to undermine existing cryptographic and security frameworks — require a shift from reactive regulation to anticipatory and responsible governance. Traditional regulatory approaches are insufficient to address the speed, uncertainty, and strategic relevance of quantum innovation. Instead, the paper emphasizes the need to integrate ethical impact assessment, risk analysis, and societal considerations at the earliest stages of research, development, and deployment. Ethical governance is presented not as a constraint on innovation, but as a foundational element for ensuring trust, resilience, and long-term sustainability. The analysis situates quantum governance within a broader geopolitical context, highlighting how major global actors are investing in quantum capabilities as strategic assets. This competition increases the urgency for coordinated governance frameworks that balance technological sovereignty, security, and international cooperation. Particular attention is given to the protection of critical infrastructures and the transition towards quantum-safe systems, especially in the field of cybersecurity and secure communications. Finally, the paper outlines the implications for national and European strategies, stressing the importance of multi-level governance involving governments, international organisations, industry, and research institutions. It concludes that only a holistic approach — combining ethical foresight, anticipatory governance, and strategic planning — can ensure that quantum technologies enhance societal resilience and security rather than exacerbate systemic vulnerabilities. In this sense, quantum governance becomes a central component of future national strategies for critical infrastructure protection and technological leadership.
The emergence of cryptographically relevant quantum computing presents a strategic governance challenge for national security because contemporary digital infrastructures depend extensively on public-key cryptographic mechanisms whose long-term security may be threatened by sufficiently capable quantum computers. This research examines post-quantum cryptographic governance as a policy, risk-management, interoperability, and implementation problem rather than solely as a cryptographic algorithm-selection exercise. The study adopts a conceptual research-and-review methodology based exclusively on the supplied literature, using insights from security and privacy, interoperability, digital transformation, standards-based architectures, and emerging technology governance to construct an integrated post-quantum governance framework. Particular attention is given to cryptographic inventory, risk prioritization, migration governance, interoperability, institutional accountability, lifecycle management, and national-security continuity. The analysis indicates that post-quantum readiness requires coordinated governance across technical and organizational layers, with migration decisions guided by asset criticality, data longevity, dependency relationships, and operational constraints. The study further argues that interoperability principles are central to post-quantum migration because cryptographic transitions must coexist with heterogeneous legacy systems and distributed information environments. The proposed framework therefore combines risk assessment, policy development, technical migration, validation, monitoring, and institutional oversight. The research contributes a governance-oriented perspective in which cryptographic agility and standards-based interoperability become strategic national-security capabilities rather than isolated technical controls.
Quantum computing has emerged as a transformative technology with the potential to fundamentally disrupt modern cryptographic systems that underpin global data security. This paper examines the extent to which quantum computing could pose a threat to modern global data security by synthesising existing technical, institutional, and policy-oriented literature. Drawing on a narrative review of scholarly research, industry reports, and government frameworks, the analysis focuses on the implications of quantum algorithms such as Shor’s and Grover’s, which challenge the mathematical foundations of widely used cryptographic schemes. The findings suggest that while quantum computing presents a credible long-term threat to asymmetric encryption and weakens symmetric encryption, substantial engineering and physical constraints currently limit the feasibility of large-scale quantum attacks. The review also highlights the role of post-quantum cryptography, quantum key distribution, and international standardisation efforts as proactive responses that significantly mitigate future risks. Overall, the paper argues that the threat posed by quantum computing is conditional rather than immediate, shaped by the pace of technological development, cryptographic adaptation, and global policy coordination. Quantum computing therefore represents both a security challenge and a catalyst for strengthening future data protection infrastructures.
As quantum computers advance, they will fundamentally change the ways the information systems that currently secure communications, financial systems, healthcare records, government databases and critical infrastructure are protected. Although quantum technologies offer great promise for future scientific endeavors and processing power, they also present new dangers for cybersecurity. This paper explores the threats that are emerging as a result of Quantum Computing, focusing on the vulnerability of popular public-key cryptographic methods like RSA, Diffie–Hellman and Elliptic Curve Cryptography. The study also delves into the consequences of "harvest now, decrypt later": Information encrypted today could be made available when sufficiently strong quantum computers are ready. The research adopts a qualitative approach with a thorough literature survey of scholarly works on quantum-safe security standards, international cybersecurity frameworks, and recent advancements in the field. It evaluates the readiness of organizations, governments and technology vendors to deal with the changing threats of quantum computing. The study also highlights emerging counter measures, such as post quantum cryptography, quantum key distribution, cryptographic agility, zero trust security architectures, and risk-based migration strategies to build long-term cyber resilience. The results indicate that while large-scale quantum computers are still being developed which could compromise current encryption systems, it is important to plan ahead and implement quantum-resistant technologies to mitigate future security risks. To achieve quantum-safe cybersecurity, a concerted effort is needed, involving a collaboration between policymakers, researchers, industry players and standardization organizations, to provide secure digital ecosystems. In the end, the paper argues that a blend of quantum-resistant cryptographic solutions and adaptive cybersecurity governance and continuous innovation will be a critical enabler in protecting information assets in the quantum era. The study will contribute to the existing body of work on quantum cybersecurity and provide insights into the challenges and opportunities of creating secure and future-proof cybersecurity systems.
"The rapid advancement of quantum computing poses a significant threat to the cybersecurity of our increasingly digitized world. As quantum computers become more powerful and accessible, they have the potential to break many of the cryptographic algorithms that currently secure our sensitive data, financial transactions, and critical infrastructure. This looming “quantum threat” has far-reaching implications for individuals, organizations, and nation-states, as it could lead to widespread data breaches, economic disruption, and compromised national security. Despite the growing recognition of this risk, existing legal and regulatory frameworks are largely unprepared to address the unique challenges of quantum-enabled cyber threats. Moreover, the geopolitical implications of the quantum revolution are complex and multifaceted, with the potential to reshape the global balance of power and exacerbate technological inequalities. To mitigate these risks and promote quantum readiness, there is an urgent need for the international community to develop new legal frameworks and cooperative mechanisms that span technical, economic, legal, and political domains. This article provides an interdisciplinary analysis of the quantum threat to cybersecurity, examines its potential impacts across various sectors and international relations, and offers policy recommendations for developing a comprehensive global governance framework. By proactively addressing this challenge through multi-stakeholder collaboration and quantum-resistant solutions, we can work towards a more secure and resilient digital future in the face of this transformative technology. "