当涉及到保护云中的数据时,谈话往往由安全性主导 - 防火墙,访问控制和加密协议,旨在阻止恶意行为者。 The centralized architecture of traditional cloud services creates security weaknesses that are frequently overlooked. When a single provider controls the infrastructure, manages the encryption keys, and stores all copies of your data, that provider becomes both a gatekeeper and a single point of failure. It’s why some of the most damaging cloud security incidents in recent years haven’t been the result of sophisticated attacks — but simple misconfigurations, insider threats, or catastrophic outages. In  , we explored how Sia solves the problem of privacy — ensuring that only you can ever access your data. But privacy is only part of the solution. No Keys, No Access: A New Standard for Cloud Data Protection No Keys, No Access: A New Standard for Cloud Data Protection True data protection requires more than making your files invisible — it requires making them invulnerable. This article explores the next evolution of cloud storage protection:  . It’s how Sia moves beyond conventional defenses — eliminating single points of failure, decentralizing infrastructure, and ensuring that your data remains safe, available, and resilient even in the face of direct attack. Impenetrable Security Supreme Privacy vs. Impenetrable Security — Two Pillars of True Data Sovereignty While privacy and security are often discussed in the same breath, they serve fundamentally different purposes — especially in the context of cloud storage.  protects users from their data being   compromised. This includes mass data breaches, insider threats, or state-level surveillance — events where your data is exposed not because someone attacked you directly, but because they exploited the centralized entity you entrusted with it. Supreme Privacy indirectly A clear example is the 2012 Dropbox breach, which led to the leakage of over 68 million users’ credentials. The root cause? A reused employee password that allowed attackers to infiltrate Dropbox’s systems and gain access to user account data — much of it stored unencrypted or accessible to employees at the time. In this case, users were not directly targeted because of who they were — they were simply part of a broader, systemic vulnerability.   solves this by ensuring that no provider, employee, or platform — even under coercion — can ever see or leak your data. With Sia, your data is encrypted, fragmented, and distributed   it leaves your device, eliminating any centralized visibility or access. Supreme Privacy before , on the other hand, defends against   attacks — those intended to tamper with, destroy, or ransom your data. These attacks bypass the need for surveillance or insider access. They go straight for your systems. Impenetrable Security direct Consider the 2017 WannaCry ransomware attack that paralyzed parts of the UK’s National Health Service (NHS). More than 60 trusts were hit, some losing access to patient records, canceling surgeries, and diverting ambulances as critical systems were encrypted and held hostage. Or the 2021 ransomware attack on Accenture, where six terabytes of proprietary data were exfiltrated and leaked by the LockBit group. Despite backup efforts, the breach exposed client systems and data, proving that even enterprise-grade infrastructure is not immune. Sia prevents this class of failure through   — not by defending a single system more aggressively, but by removing the system entirely. No complete copy of your data exists in one place. Each fragment is encrypted and stored on independently operated hosts — rendering ransomware attacks and direct tampering functionally impossible. Even if a host is compromised or goes offline, Sia’s built-in redundancy and self-healing architecture ensure uninterrupted access and data integrity. Impenetrable Security Sia’s Architecture: Impenetrable Security by Design Impenetrable Security can’t be an afterthought — it isn’t something you bolt onto an existing system or patch in later. It has to be built into the system from the ground up. Where traditional cloud storage relies on defending a fortress — building higher walls, stronger locks, and more sophisticated monitoring — Sia abandons the fortress entirely. That’s because Sia was built on a fundamentally different assumption: the only truly secure system is one without anything to steal in the first place. With Sia, there are no walls to breach. No gates to force open. No master key to steal. Instead of concentrating control in the hands of a single provider — where mistakes, misconfigurations, or insider threats can compromise millions — Sia distributes both control and data across a global network of independent storage hosts. There is no central authority to target. No privileged access to exploit. The network enforces its own security — bound together by cryptographic rules and economic incentives. On Sia, your files never exist in one place. They never sit behind a perimeter waiting to be breached. Instead, every file is encrypted on your device — before it ever touches the network — and then broken apart into dozens of fragments using erasure coding. These fragments are scattered across independent hosts around the world, none of whom have access to your encryption keys, and none of whom store enough data to reconstruct anything meaningful on their own. Even if multiple hosts are compromised, attackers gain nothing but encrypted fragments — useless without your private key. But Sia’s architecture doesn’t stop at protecting your data from outsiders — it protects you from insiders too. Where traditional cloud providers rely on privileged administrators and centralized control panels — the same systems attackers target again and again — Sia has no backdoor. There is no master key. No root account. No employee with special access. Sia’s network operates without trusted intermediaries because it was designed to never need them. And where centralized systems can fail catastrophically — whether through human error, insider threat, or a misconfiguration like the 2024 Google Cloud incident that led to the accidental deletion of UniSuper’s entire account— Sia’s decentralized network ensures that no single mistake can bring your data down. If a host is compromised — or disappears entirely — the network doesn’t need an administrator to fix it. Sia’s self-healing protocol detects the loss and automatically repairs the file by redistributing missing fragments to healthy hosts — all without user intervention. Every piece of Sia’s architecture exists for one reason: to ensure your data remains yours — untouchable, undeletable, and unstoppable. The Future of Cloud Security is Trustless Traditional cloud storage was built on trust — trust in the provider’s infrastructure, trust in their employees, and trust in their ability to keep your data safe. But trust is fragile. Sia replaces trust with proof.  ensures your data remains private — encrypted, fragmented, and inaccessible to anyone but you. Supreme Privacy  ensures your data remains safe — resilient, self-healing, and immune to attacks or failures that would compromise traditional systems. Impenetrable Security Together, they don’t just offer better cloud storage — they offer a fundamental shift in how data is protected. A model where privacy is guaranteed by design, where security is enforced by the network itself, and where control always stays in the hands of the user. This is the future of cloud security — not a system built on trust, but a system that doesn’t need it. References Gibbs, S. (2016, August 31). Dropbox hack leads to leaking of 68m user passwords on the internet. The Guardian. https://www.theguardian.com/technology/2016/aug/31/dropbox-hack-passwords-68m-data-breach Collier, R. (2017, June 5). NHS ransomware attack spreads worldwide. Canadian Medical Association Journal, 189(22), E786–E787. https://www.cmaj.ca/content/189/22/E786 NHS England. (2023, April 21). NHS England business continuity management toolkit case study: WannaCry attack. https://www.england.nhs.uk/long-read/case-study-wannacry-attack/ Gatlan, S. (2021, October 15). Accenture confirms data breach after August ransomware attack. Bleeping Computer. https://www.bleepingcomputer.com/news/security/accenture-confirms-data-breach-after-august-ransomware-attack/ Nichols, S. (2021, October 15). Accenture sheds more light on August data breach. Tech Target. https://www.techtarget.com/searchsecurity/news/252508243/Accenture-sheds-more-light-on-August-data-breach Amadeo, R. (2024, May 30). Google Cloud explains how it accidentally deleted a customer account. Ars Technica. https://arstechnica.com/gadgets/2024/05/google-cloud-explains-how-it-accidentally-deleted-a-customer-account/ Taylor, J. (2024, May 8). Google Cloud accidentally deletes UniSuper’s online account due to ‘unprecedented misconfiguration’. The Guardian. https://www.theguardian.com/australia-news/article/2024/may/09/unisuper-google-cloud-issue-account-access

This story contains new, firsthand information uncovered by the writer.

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Sia 重新定义云安全,提供最高的隐私和不可穿透的保护

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