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Google系统架构解密: 构建安全可靠的系统
book

Google系统架构解密: 构建安全可靠的系统

by Heather Adkins, Betsy Beyer, Paul Blankinship, Piotr Lewandowski, Ana Oprea, Adam Stubblefield
September 2021
Beginner to intermediate
392 pages
12h 13m
Chinese
Posts & Telecom Press
Content preview from Google系统架构解密: 构建安全可靠的系统
353
附录
灾难风险评估矩阵
为了进行全面的灾难风险分析,建议使用一个标准化的矩阵,对组织所面临的风险进行排
序。该矩阵说明了每种风险发生的概率及其对组织的潜在影响。表
A-1
展示了一个风险评
估矩阵的样本,不论组织大小,都可以根据自身系统的具体情况进行定制。
使用矩阵时,请为每列的概率和影响程度评估一个恰当的值。如第
16
章中
所强调的那样,
这些值可能取决于组织的业务类型、基础设施以及所在的位置。例如,在位于美国加州洛
杉矶的机构比位于德国汉堡的机构更容易遇到地震。如果组织在世界各地都有办事处,甚
至可能需要对每个地点都进行风险评估。
计算出概率和影响值后,将它们相乘以确定每种风险的等级。根据结果值将风险从高到低
排序,作为确定优先级和准备工作的指南。与
0.5
级或
0.3
级的风险相比
0.8
级的风险需
要关注的紧迫性更高。一定要针对组织面临的最关键风险制订应对计划。
354
附录
A-1:灾难风险评估矩阵示例
主  题 风  险 一年内发生的可能性
风险发生后对组
织的影响
评  级
受风险影响的
系统名称
几乎不可能:
0.0
不可能:
0.2
不太可能:
0.4
可能:
0.6
很可能:
0.8
不可避免:
1.0
不值一提:
0.0
极小:
0.2
中等:
0.5
严重:
0.8
极其严重:
1.0
可能性 ×
影响
自然灾害 地震
洪水
火灾
飓风
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Publisher Resources

ISBN: 9787115569257