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学习勒索软件响应和恢复 (Chinese Edition)
book

学习勒索软件响应和恢复 (Chinese Edition)

by W. Curtis Preston, Michael Saylor
January 2026
Beginner to intermediate
522 pages
5h
Chinese
O'Reilly Media, Inc.
Content preview from 学习勒索软件响应和恢复 (Chinese Edition)

第三章 备份 与恢复基础

本作品已使用人工智能进行翻译。欢迎您提供反馈和意见:translation-feedback@oreilly.com

许多读者(尤其是主要从事网络安全领域的人士)可能对许多基础备份和灾难恢复概念并不熟悉。若您正是如此,本章正是为您而设!即使您认为自己已掌握基础知识,也建议继续阅读。您会惊讶于许多人对某些基础概念的误解。

本章仅涵盖备份与恢复的基础知识,不会深入探讨勒索软件相关概念。第六章将详细说明如何为勒索软件攻击做好备份系统准备。本章旨在确保您理解本书后续章节将使用的术语体系。

若想深入了解现代备份与恢复技术,推荐阅读 现代数据保护》(O'Reilly出版社)。本书作者正是本人——W. Curtis Preston。我们还为此书建立了配套网站: StopRansomware.com

备份还是灾难恢复?

许多 从业者常将备份与灾难恢复系统视为完全独立的概念和系统。而我柯蒂斯并不认同这种观点。

同一系统

传统上人们将备份视为用于业务恢复的手段。例如有人误删文件,或数据库管理员意外删除数据库表。若RAID阵列损坏,备份或许还能用于恢复整台服务器。

但面对勒索软件攻击等重大灾难时,人们往往依赖完全独立的灾难恢复系统。这是因为传统备份系统通常无法满足企业对恢复速度的要求。因此关键业务数据通常采用基于复制技术的独立系统。然而现代基于磁盘和Cloud存储的备份恢复系统,已能实现自动化、极快的恢复速度——甚至可达即时恢复。

不同的流程

备份 和恢复的概念相对简单易懂:文件被删除后,我们调用备份系统进行还原,流程并不复杂。而灾难恢复(DR)的核心在于流程。

灾难恢复远不止于实际恢复数据的系统。当我们谈论灾难恢复时,还涉及围绕备份系统构建的完整流程体系,以确保恢复环境的洁净性。这可能包括订购新系统,甚至可能需要迁移至新建筑(例如自然灾害后)。 在遭遇勒索软件攻击时,流程还包括识别需要恢复的数据,并在实际执行恢复前对大量系统进行清理或替换。因此,尽管备份和灾难恢复可能由同一计算机系统执行,但它们属于不同的流程体系。

但由于备份与恢复系统属于灾难恢复体系的一部分,这意味着要构建完善的灾难恢复系统,必须精通基础备份与恢复概念。下面我们就来探讨这些概念。

定义备份系统需求

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Publisher Resources

ISBN: 0642572320577