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The European Union (EU) has outlined a strategic plan urging all member states to transition to quantum-safe encryption, with a specific focus on critical infrastructures. This initiative, driven by the rapid advancements in quantum computing, is intended to combat potential vulnerabilities that current encryption methods may face in the future.
According to the EU's Network and Information Security (NIS) cooperation group, all member countries are expected to commence their transition towards Post-Quantum Cryptography (PQC) by the end of 2026. The urgency is particularly emphasized for sectors deemed critical, such as energy and telecommunications, where the goal is to implement PQC solutions as soon as possible, ideally by 2030.
This timeline responds to a recommendation issued by the European Commission in 2024, highlighting the pressing need for Europe to act swiftly in light of the evolving landscape of quantum technologies. Experts have raised alarms about the emerging threat of a technique referred to as "store now, decrypt later," where malicious actors could collect data encrypted with current algorithms to decrypt it later using quantum computing capabilities.
The Federal Office for Information Security in Germany (BSI) estimates that traditional encryption methods might remain secure for another decade or two if there are no unforeseen technological breakthroughs. Europol has provided a similar forecast, suggesting that the existing encryption could be compromised within a 15-year timeframe. Thus, the search for viable alternatives to current public-key encryption algorithms is intensifying, as safeguarding sensitive communications--such as emails, online banking, and medical records--is paramount.
PQC employs specialized encryption algorithms that are significantly more complex than those currently in use, marking a crucial step in defending against sophisticated cyber threats. The NIS group has identified early stages for member states, including risk assessments, national awareness campaigns, and ensuring robust supply chains as essential initial actions. Future objectives will focus on fostering "cryptographic agility" and establishing a "quantum-safe upgrade path," allowing for interchangeable algorithms to be developed.
Member states are also encouraged to allocate necessary resources for the migration to PQC, create certification standards, and initiate pilot projects. While PQC is viewed as a promising solution, the VDE, a German electrical engineering and IT association, advocates for an alternative approach known as Quantum Key Distribution (QKD). This method utilizes quantum effects to enable two distant parties to agree on a secret key over an insecure channel.
Research conducted by the Fraunhofer Institute for System and Innovation Research has indicated that QKD holds significant potential for long-term security across various sectors, including government, finance, healthcare, and critical infrastructures. However, despite its promising features, several challenges must be addressed before QKD can be widely adopted.
Current limitations of fiber-based QKD restrict its operational range to approximately 100 kilometers. Although this distance could be extended using trusted nodes, this approach could introduce new security vulnerabilities. Future advancements, such as quantum repeaters, are anticipated to play a vital role in extending the operational range while maintaining security standards. Other obstacles include the inadequate stability of many existing QKD systems, vulnerabilities to external attacks, difficulties in integration with current IT infrastructures, and the high costs associated with deployment. Furthermore, the absence of standardized and certified QKD systems presents an additional barrier to widespread implementation. Overcoming these hurdles will require considerable collaboration among policymakers, researchers, and industry stakeholders.
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Section: Health
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Section: News
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Section: Arts
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