The evolution of quantum computing represents one of the most significant technological transformations of this century, with direct implications for cryptographic systems currently in use, especially in the field of asymmetric cryptography. This article develops a prospective study on the impact of quantum computing on asymmetric cryptographic infrastructures, presenting the central problem and proposing the implementation of a structured solution in the form of a transition roadmap. This approach enables the anticipation of technological scenarios and the identification of appropriate mitigation strategies, based on scientific evidence and expert projections. The results obtained highlight the vulnerability of classical cryptographic algorithms, based on complex mathematical problems, such as RSA and ECC, demonstrating that the technological and cryptographic transition is inevitable. However, this transition should not be exclusively algorithmic, it must integrate technical training policies, regulatory compliance, interoperability between hybrid systems, and continuous monitoring mechanisms. The proposed solution stands out from the others due to its methodological and operational approach, offering a dynamic, detailed, and adaptable model applicable to different organizational and sectoral contexts. The proposed roadmap is structured in sequential and interdependent phases, allowing for practical and strategic guidance of the transition process. The contributions of this research include the systematization of the phases of the post-quantum transition process, the introduction of a resilient and evolutionary model capable of responding to technological uncertainty, and the consolidation of an integrated approach that combines academic, scientific, organizational, and technical rigor. Planning and adopting a proactive stance are crucial factors in ensuring the operational continuity and resilience of digital infrastructures in a potential quantum era. The article therefore constitutes a relevant contribution to the academic debate on post-quantum information security, offering practical guidance and concepts applicable to the protection of digital infrastructures in the context of profound technological transformation.
The evolution of quantum computing represents one of the most significant technological transformations of this century, with direct implications for cryptographic systems currently in use, especially in the field of asymmetric cryptography. This article develops a prospective study on the impact of quantum computing on asymmetric cryptographic infrastructures, presenting the central problem and proposing the implementation of a structured solution in the form of a transition roadmap. This approach enables the anticipation of technological scenarios and the identification of appropriate mitigation strategies, based on scientific evidence and expert projections. The results obtained highlight the vulnerability of classical cryptographic algorithms, based on complex mathematical problems, such as RSA and ECC, demonstrating that the technological and cryptographic transition is inevitable. However, this transition should not be exclusively algorithmic, it must integrate technical training policies, regulatory compliance, interoperability between hybrid systems, and continuous monitoring mechanisms. The proposed solution stands out from the others due to its methodological and operational approach, offering a dynamic, detailed, and adaptable model applicable to different organizational and sectoral contexts. The proposed roadmap is structured in sequential and interdependent phases, allowing for practical and strategic guidance of the transition process. The contributions of this research include the systematization of the phases of the post-quantum transition process, the introduction of a resilient and evolutionary model capable of responding to technological uncertainty, and the consolidation of an integrated approach that combines academic, scientific, organizational, and technical rigor. Planning and adopting a proactive stance are crucial factors in ensuring the operational continuity and resilience of digital infrastructures in a potential quantum era. The article therefore constitutes a relevant contribution to the academic debate on post-quantum information security, offering practical guidance and concepts applicable to the protection of digital infrastructures in the context of profound technological transformation.
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 computing has become one of the most important emerging technologies, with the potential to compromise traditional cryptographic systems such as RSA and ECC, which are widely used for information security. This study proposes a strategic roadmap to help organizations transition to post-quantum security systems, mitigating the risks generated by advanced quantum algorithms like Shor’s and Grover’s. The methodology includes a review of scientific literature and a comparative analysis of emerging cryptographic technologies, including lattice-based cryptography, code-based cryptography, and quantum key distribution (QKD). The results allowed evidence of the need for proactive and structured planning, including a gradual implementation of post-quantum cryptographic solutions, updating security policies, and specialized training programs for technical and executive personnel. This paper provides a comprehensive framework to help organizations anticipate quantum threats and ensure the resilience of their cryptographic security infrastructure.
ABSTRACT Quantum computing represents one of the most significant technological transformations of the 21st century, with the potential to profoundly alter the foundations of information security. This study aims to analyze the impacts of quantum computing on modern cryptographic systems, investigating both the threats posed by quantum algorithms and the protective alternatives currently under development. The research was carried out through a qualitative bibliographic review based on books, scientific articles, and technical publications in the fields of cryptography and quantum computing. The study examined Shor’s and Grover’s algorithms, demonstrating how their mathematical properties undermine classical cryptographic models, particularly public-key systems such as RSA. It also explored post-quantum and quantum cryptographic approaches, highlighting lattice-based solutions and quantum key distribution (QKD). The results indicate that, although quantum computing presents a real threat to digital security, it also drives the emergence of more resilient and innovative cryptographic techniques. It is concluded that the transition to a post-quantum era demands careful planning, international standardization, and continuous investment in research and infrastructure. Key-words: Quantum computing. Modern cryptography. Post-quantum cryptography. Information security.
The emergence of quantum computing is set to reshape the landscape of cybersecurity, presenting a blend of significant challenges and groundbreaking opportunities. This paper delves into the growing risks tied to quantum technologies, with a particular focus on post-quantum cryptography (PQC) and the threats posed by the possible obsolescence of traditional cryptographic methods. As quantum computing capabilities advance at a rapid pace, the need for the development of quantum-resistant security protocols has become more urgent than ever. This research investigates the vulnerabilities of current cryptographic systems, the potential dangers posed by quantum computing, and the solutions already available in the field of post-quantum cryptography. Furthermore, the paper outlines a comprehensive framework for cybersecurity solutions that are resilient to future quantum threats, emphasizing the importance of collaboration across academic, industrial, and governmental sectors. By reviewing current literature and technological developments, this paper provides a roadmap for transitioning to quantum-safe security practices, addressing the risks brought on by quantum advancements, and ensuring that critical infrastructure is well-defended against quantum-driven attacks. The findings indicate that while quantum computing introduces profound risks to traditional cybersecurity systems, a proactive, strategic adoption of PQC solutions can effectively protect vital infrastructure in the post-quantum age.
Current cryptographic systems, heavily reliant on classical algorithms, are increasingly vulnerable to the formidable capabilities of quantum computing. Notably, quantum algorithms such as Shor’s and Grover’s pose profound threats by accelerating decryption processes, which could soon make existing cryptosystems ineffective. This paper stresses the critical need and complexity of shifting to Post-Quantum Cryptography (PQC) to safeguard encrypted communications against these emerging quantum threats. It outlines the timeline of the National Institute of Standards and Technology’s (NIST) efforts in standardizing PQC, elucidating the significant challenges and the essential nature of adopting these new standards. While NIST provides structured guidance, transitioning to PQC presents substantial risks and difficulties, particularly in terms of organizational adaptation and the technical overhaul required. The discourse further explores the tangible implications of quantum advancements on both symmetric and asymmetric key cryptography, highlighting the potential vulnerabilities and the increased risk of security breaches. The paper underscores the imperative for immediate action in initiating the transition towards robust PQC systems, given the rapid development and anticipated deployment of quantum computing technologies capable of decrypting currently secure information. This transition is not merely a technical upgrade but a crucial strategic move to preemptively counteract quantum threats, ensuring the continued confidentiality and integrity of sensitive data across various sectors.
The rapid advancement of quantum computing poses both transformative opportunities and profound challenges for modern cybersecurity and cryptography. Unlike classical computers, quantum systems leverage the principles of quantum mechanics-superposition, entanglement, and quantum tunneling-to process information in fundamentally new ways, enabling exponentially faster computation for certain problems. This paradigm shift threatens to render many of today's widely adopted cryptographic algorithms obsolete, particularly those relying on the hardness of integer factorization (e.g., RSA) and discrete logarithms (e.g., ECC and DSA). Quantum algorithms, such as Shor's algorithm, have the potential to break these cryptosystems in polynomial time, exposing sensitive data to unprecedented levels of vulnerability. Additionally, Grover's algorithm accelerates brute-force attacks on symmetric encryption schemes, reducing their effective security strength by half. This paper explores the implications of quantum computing on current cryptographic infrastructures, highlighting the urgency for transitioning to quantum-resistant or postquantum cryptographic algorithms. It examines emerging standards from bodies such as NIST, which are fostering the development and evaluation of lattice-based, codebased, multivariate polynomial, and hash-based cryptographic solutions. Furthermore, the study delves into the dual-edged nature of quantum computing in cybersecuritydiscussing its potential not only as a threat but also as a powerful tool for enhancing security through quantum key distribution (QKD), quantum random number generation, and other quantum-enhanced protocols. The work concludes by evaluating the readiness of current systems for the "quantum threat," identifying gaps in awareness, infrastructure, and policy, and proposing a strategic roadmap for a secure transition into the post-quantum era. As the quantum revolution accelerates, understanding and preparing for its cybersecurity ramifications is not merely a technical necessity but a cornerstone of global digital resilience.