量子計算技術與金融業

量子計算是一種基於量子力學原理的計算技術，能在同一時間處理多種可能性，極大提升計算速度和效率。傳統電腦需要數百萬年完成的運算，量子計算可能在數分鐘內完成。隨著技術領先國家在量子計算領域的突破，這項技術正逐漸從理論走向實用化，並預計在不久的將來對各行各業產生重大影響，尤其是對依賴計算的金融業。

金融業高度依賴複雜的數學模型進行風險評估、投資組合優化及市場定價，而量子計算能快速解決傳統電腦難以處理的問題。例如，它能高效計算金融衍生品的價格模型、模擬市場波動並優化高維度投資策略。此外，量子計算能對海量市場數據進行即時分析，提取模式並預測市場走勢，為交易提供更精準的數據。同時，它能顯著提升演算法交易的效率，幫助機構在短時間內搶佔市場先機。對資產管理而言，量子計算能快速處理多變量的資產組合，找到收益與風險的最佳平衡點，協助投資者實現資本增值。

然而，科技的風險與機遇並存，量子計算也不例外。最大挑戰是傳統加密技術的脆弱性。目前金融機構廣泛採用的加密技術基於數學計算的複雜性，而量子計算能快速破解這些技術。一旦攻擊者利用量子計算破解加密密鑰，金融交易、用戶隱私與系統安全將面臨重大威脅。此外，金融業處理大量敏感數據，如客戶身份、交易記錄和資金流動，若量子計算被惡意使用，可能導致數據洩露或交易遭操控。

一項模擬測試顯示，擁有足夠強大量子電腦的攻擊者可在數分鐘內破解2048位RSA加密技術，從而竊取交易數據或篡改支付內容。這表明量子計算可能引發高額資金損失、影響客戶信任甚至引發系統性金融危機。因此，金融機構需提前採取措施應對量子計算的潛在威脅。

應對量子計算帶來的風險，金融機構應採取以下措施：首先，逐步替換現有的加密技術，採用抗量子加密演算法，這些技術不依賴傳統數學難題，能有效抵禦量子計算的威脅。其次，實施分層次的安全策略，包括數據分段加密、即時威脅偵測和縱深防禦，即便某一層加密被攻擊，仍能限制損害範圍，確保系統安全。最後，模擬量子攻擊場景並測試新型加密方案的有效性，確保在量子計算普及後能迅速切換到量子安全技術。

總之，量子計算的興起為金融業帶來了巨大的機遇，但也伴隨著資訊安全的挑戰。傳統加密技術失效和數據隱私威脅是金融機構面臨的主要風險。然而，透過部署後量子加密技術和強化多層次防禦機制，金融業可有效降低量子計算的潛在風險。在量子時代真正來臨前，提前佈局是確保金融系統穩定、安全的關鍵。

尹展軒
Senior IT Consultant

More Updates

Whether you are travelling overseas, staying at a hotel, or working remotely while enjoying your vacation, there is one thing many of us rely on every day — 𝗵𝗼𝘁𝗲𝗹 𝗪𝗶-𝗙𝗶.After checking in, it is common to connect your laptop or phone to the hotel network without thinking twice. But have you ever wondered:“𝗖𝗮𝗻 𝗜 𝗿𝗲𝗮𝗹𝗹𝘆 𝘁𝗿𝘂𝘀𝘁 𝘁𝗵𝗶𝘀 𝗪𝗶-𝗙𝗶 𝗻𝗲𝘁𝘄𝗼𝗿𝗸?”Public Wi-Fi networks are convenient, but they can also become a target for attackers. A compromised hotel Wi-Fi gateway could potentially allow attackers to manipulate network traffic, redirect users to fake login pages, and steal sensitive information such as Microsoft 365 credentials.Some common risks include:🔹 Fake Wi-Fi login portals🔹 DNS redirection to malicious websites🔹 Credential harvesting through fake Microsoft 365 login pages🔹 Session hijacking attemptsA few simple steps can greatly reduce the risk:✅ Avoid accessing sensitive accounts on unknown networks✅ Use a trusted VPN when connecting through public Wi-Fi✅ Enable Multi-Factor Authentication (MFA)✅ Verify the website address before entering credentials✅ Avoid installing unexpected certificates or applications requested by public networks

𝗘𝗻𝘁𝗲𝗿𝗽𝗿𝗶𝘀𝗲 𝗔𝗜 𝗗𝗼𝗲𝘀𝗻'𝘁 𝗦𝘁𝗮𝗿𝘁 𝘄𝗶𝘁𝗵 𝗔𝗜. 𝗜𝘁 𝗦𝘁𝗮𝗿𝘁𝘀 𝘄𝗶𝘁𝗵 𝗔𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲.

Every organisation is asking the same question today:"𝘏𝘰𝘸 𝘤𝘢𝘯 𝘸𝘦 𝘪𝘯𝘵𝘳𝘰𝘥𝘶𝘤𝘦 𝘈𝘐 𝘪𝘯𝘵𝘰 𝘰𝘶𝘳 𝘣𝘶𝘴𝘪𝘯𝘦𝘴𝘴?"But experienced solution architects often start somewhere else.They ask:"𝘐𝘴 𝘵𝘩𝘦 𝘣𝘶𝘴𝘪𝘯𝘦𝘴𝘴 𝘴𝘺𝘴𝘵𝘦𝘮 𝘥𝘦𝘴𝘪𝘨𝘯𝘦𝘥 𝘵𝘰 𝘴𝘶𝘱𝘱𝘰𝘳𝘵 𝘈𝘐 𝘧𝘳𝘰𝘮 𝘵𝘩𝘦 𝘣𝘦𝘨𝘪𝘯𝘯𝘪𝘯𝘨?"That's an important distinction.Modern enterprise platforms such as 𝗢𝘂𝘁𝗦𝘆𝘀𝘁𝗲𝗺𝘀 now make it possible to build applications, workflows, integrations and AI capabilities within a single development ecosystem.Adding AI is becoming easier than ever.Designing an application that allows AI to deliver reliable business value is the real challenge.Because AI does not work in isolation.It relies on the business systems behind it.Before AI can analyse information, automate decisions or assist users, it depends on a strong enterprise foundation:🔸 𝗖𝗹𝗲𝗮𝗿𝗹𝘆 𝗱𝗲𝗳𝗶𝗻𝗲𝗱 𝗯𝘂𝘀𝗶𝗻𝗲𝘀𝘀 𝗽𝗿𝗼𝗰𝗲𝘀𝘀𝗲𝘀🔸 𝗥𝗲𝗹𝗶𝗮𝗯𝗹𝗲 𝗮𝗻𝗱 𝗴𝗼𝘃𝗲𝗿𝗻𝗲𝗱 𝗱𝗮𝘁𝗮🔸 𝗪𝗲𝗹𝗹-𝗱𝗲𝘀𝗶𝗴𝗻𝗲𝗱 𝘀𝘆𝘀𝘁𝗲𝗺 𝗶𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻𝘀🔸 𝗖𝗼𝗻𝘀𝗶𝘀𝘁𝗲𝗻𝘁 𝗯𝘂𝘀𝗶𝗻𝗲𝘀𝘀 𝗿𝘂𝗹𝗲𝘀🔸 𝗔𝗽𝗽𝗿𝗼𝗽𝗿𝗶𝗮𝘁𝗲 𝘀𝗲𝗰𝘂𝗿𝗶𝘁𝘆 𝗮𝗻𝗱 𝗮𝗰𝗰𝗲𝘀𝘀 𝗰𝗼𝗻𝘁𝗿𝗼𝗹𝘀These are not "AI features."They are architectural decisions.When these foundations are built into the application from Day One, AI becomes a natural extension of the business rather than an isolated feature.This is why successful enterprise AI projects don't begin with selecting an AI model.They begin with designing an application architecture that allows AI, data, workflows and enterprise systems to work together seamlessly.That's where enterprise low-code platforms like 𝗢𝘂𝘁𝗦𝘆𝘀𝘁𝗲𝗺𝘀 create long-term value.Not by simply making development faster.But by providing a platform where business applications can continuously evolve as new technologies—including AI—become part of the organisation's digital journey.Before asking:"𝘏𝘰𝘸 𝘥𝘰 𝘸𝘦 𝘢𝘥𝘥 𝘈𝘐 𝘵𝘰 𝘵𝘩𝘪𝘴 𝘢𝘱𝘱𝘭𝘪𝘤𝘢𝘵𝘪𝘰𝘯?"Perhaps the better question is:"𝘈𝘳𝘦 𝘸𝘦 𝘥𝘦𝘴𝘪𝘨𝘯𝘪𝘯𝘨 𝘢𝘯 𝘢𝘱𝘱𝘭𝘪𝘤𝘢𝘵𝘪𝘰𝘯 𝘵𝘩𝘢𝘵 𝘪𝘴 𝘳𝘦𝘢𝘥𝘺 𝘵𝘰 𝘦𝘷𝘰𝘭𝘷𝘦 𝘸𝘪𝘵𝘩 𝘈𝘐 𝘧𝘳𝘰𝘮 𝘋𝘢𝘺 𝘖𝘯𝘦?"Because successful enterprise AI isn't defined by the intelligence of the model.𝗜𝘁'𝘀 𝗲𝗻𝗮𝗯𝗹𝗲𝗱 𝗯𝘆 𝘁𝗵𝗲 𝗶𝗻𝘁𝗲𝗹𝗹𝗶𝗴𝗲𝗻𝗰𝗲 𝗼𝗳 𝘁𝗵𝗲 𝗮𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲 𝗯𝗲𝗵𝗶𝗻𝗱 𝗶𝘁.

𝗦𝗲𝗰𝘂𝗿𝗶𝗻𝗴 𝘁𝗵𝗲 𝗖𝗹𝗼𝘂𝗱 𝘄𝗶𝘁𝗵 𝗜𝗦𝗢/𝗜𝗘𝗖 𝟮𝟳𝟬𝟬𝟭:𝟮𝟬𝟮𝟮

Cloud services have become the backbone of modern business, enabling organisations to operate with greater speed, flexibility, and scalability. However, moving to the cloud does 𝗻𝗼𝘁 transfer all security responsibilities to the cloud provider.Many cloud platforms operate under a 𝘀𝗵𝗮𝗿𝗲𝗱 𝗿𝗲𝘀𝗽𝗼𝗻𝘀𝗶𝗯𝗶𝗹𝗶𝘁𝘆 𝗺𝗼𝗱𝗲𝗹, where organisations remain accountable for protecting their data, identities, and cloud configurations. That's why effective cloud security requires more than selecting a trusted provider—it demands clear governance, ongoing monitoring, and practical security controls.Here are three key areas organisations should focus on when securing their cloud environments:☁️ 𝟭. 𝗨𝗻𝗱𝗲𝗿𝘀𝘁𝗮𝗻𝗱 𝗬𝗼𝘂𝗿 𝗦𝗵𝗮𝗿𝗲𝗱 𝗥𝗲𝘀𝗽𝗼𝗻𝘀𝗶𝗯𝗶𝗹𝗶𝘁𝘆A strong cloud security strategy begins with clearly defining responsibilities between your organisation and the cloud service provider.・Clearly define security roles and responsibilities between both parties.・Review the provider's security certifications, whitepapers, and control documentation.・Establish Service Level Agreements (SLAs) covering availability, incident response, and security expectations.・Regularly evaluate the provider's security performance—not just during onboarding.🔐 𝟮. 𝗣𝗿𝗼𝘁𝗲𝗰𝘁 𝗜𝗱𝗲𝗻𝘁𝗶𝘁𝗶𝗲𝘀 𝗮𝗻𝗱 𝗗𝗮𝘁𝗮Protecting access and sensitive information remains one of the most critical aspects of cloud security.・Enforce strong authentication, including Multi-Factor Authentication (MFA).・Review user access regularly and remove unnecessary permissions.・Classify sensitive data before migrating it to cloud environments.・Encrypt data both in transit and at rest wherever possible.📊 𝟯. 𝗠𝗼𝗻𝗶𝘁𝗼𝗿 𝗮𝗻𝗱 𝗕𝘂𝗶𝗹𝗱 𝗥𝗲𝘀𝗶𝗹𝗶𝗲𝗻𝗰𝗲Cloud security is an ongoing process that requires continuous visibility and preparedness.・Monitor cloud environments for unusual activities and configuration issues.・Ensure cloud-specific incident response procedures are clearly defined and tested.・Verify that backup processes are functioning correctly and can support recovery.・ Regularly test whether critical services can be restored within acceptable recovery timeframes.Cloud security is not a one-time project—it's an ongoing discipline built on 𝗰𝗹𝗲𝗮𝗿 𝗼𝘄𝗻𝗲𝗿𝘀𝗵𝗶𝗽, 𝗿𝗲𝗴𝘂𝗹𝗮𝗿 𝗿𝗲𝘃𝗶𝗲𝘄, 𝗮𝗻𝗱 𝗰𝗼𝗻𝘁𝗶𝗻𝘂𝗼𝘂𝘀 𝗶𝗺𝗽𝗿𝗼𝘃𝗲𝗺𝗲𝗻𝘁.𝗥𝗲𝗺𝗲𝗺𝗯𝗲𝗿: Moving to the cloud doesn't transfer your security responsibilities—it changes how they should be managed.ISO/IEC 27001:2022 provides organisations with a structured framework to manage cloud-related risks while supporting business growth and digital transformation.