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威胁建模:安全设计中的风险识别和规避
book

威胁建模:安全设计中的风险识别和规避

by Izar Tarandach, Matthew J. Coles
January 2023
Intermediate to advanced
214 pages
3h 43m
Chinese
China Machine Press
Content preview from 威胁建模:安全设计中的风险识别和规避
威胁建模方法论 | 105
2. 系统 / 公司:对声誉有负面影响。
主要作恶者
内部人员。
基本流程
1. 作恶者可以访问社交网络数据库。
2. 作恶者把数据泄露给第三方。
触发器
一个恶意的行为者,且总是有可能出现。
先决条件
1. 作恶者可以篡改隐私策略,使之与许可条款不一致。
2. 没有正确地管理策略(没有根据用户的请求更新)。
预防关键点
1. 设计系统符合隐私和数据保护的法律准则,并保持内部策略与传达给用
户的策略一致。
2. 法律执行:只要用户的个人数据在未经同意的情况下被处理,用户就可
以起诉社交网络提供商。
3. 员工合同:与第三方分享信息的员工将受到处罚(解雇、罚款等)。
预防保证
法律的实施将降低内部人士泄露信息的威胁,但仍有可能侵犯用户的隐私。
注意,前提条件直接来自威胁树。一旦你描述了一个误用案例,就可以以预防
关键点和预防保证的形式从中提取需求。LINDDUN 把缓解威胁的方法转向使用
隐私增强技术 (PET) 作为解决方案,而不是纯粹的法律或合同手段。LINDDUN
的论文在列举 PET 解决方案并将它们映射到隐私属性方面做得很好。我们在这
里没有复制那个映射,如果你决定使用它,请阅读这篇论文以熟悉该方法。考
虑到 LINDDUN STRIDE-per-Element 相似,重新应用我们的测量参数是不合
逻辑的,因为它们将等于 STRIDE 的参数。另外,LINDDUN 是一个很好的例
106 |
3
子,说明了如何将威胁建模的过程应用到安全以外的领域(例如,CI A),
并生成类似有价值的结果。 ...
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Publisher Resources

ISBN: 9787111713692