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What you see is not what you get in the PDF document format

机译:您所看到的不是以PDF文档格式获得的内容

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摘要

The sharing and storage of scientific knowledge, information and data are today mainly in digitized form, which will become the predominant means of communicating scientific work in the future. One of the best-established formats is the open standard of PDF (Portable Document Format), which is renowned for its flexibility and stability. In this article, we expose a major flaw in the format with respect to the security of confidential information, such that even organizations responsible for safeguarding and setting the standards for data management were unintentionally revealing confidential patient data. By collecting and analysing a random sample of files from a health informatics organization, we demonstrate the extent of the problem and determine its cause by code analysis of an example. In conclusion, we suggest the development of a knowledge-sharing format that does not demand expert skills for safe usage: WYSIWYS (What You See Is What You Store).
机译:今天,科学知识,信息和数据的共享和存储主要以数字化形式进行,这将成为未来传播科学工作的主要手段。最佳的格式之一是PDF(便携式文档格式)的开放标准,该标准以其灵活性和稳定性而闻名。在本文中,我们揭露了格式上与机密信息安全性有关的主要缺陷,因此,即使是负责维护和设置数据管理标准的组织也无意间泄露了机密患者数据。通过收集和分析来自健康信息学组织的文件的随机样本,我们演示了问题的严重程度,并通过示例代码分析确定了问题的原因。总之,我们建议开发一种不需要安全使用专业技能的知识共享格式:WYSIWYS(所见即所得)。

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