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前 言

ISO (the International Organization for Standardization) and IEC (the International Electro technical Commission) form the specialized system for worldwide standardization. National bodies that are members of ISO or IEC participate in the development of International Standards through technical committees established by the respective organization to deal with particular fields of technical activity. ISO and IEC technical committees collaborate in fields of mutual interest. Other international organizations, governmental and non-governmental, in liaison with ISO and IEC, also take part in the work. In the field of information technology, ISO and IEC have established a joint technical committee, ISO/IEC JTC 1.


International Standards are drafted in accordance with the rules given in the ISO/IEC
Directives, Part 2.
国际标准的制定遵循ISO/IEC 导则第2部分的规则。

The main task of the joint technical committee is to prepare International Standards. Draft International Standards adopted by the joint technical committee are circulated to national bodies for voting. Publication as an International Standard requires approval by at least 75 % of the national bodies casting a vote.

Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO and IEC shall not be held responsible for identifying any or all such patent rights.

ISO/IEC 27001 was prepared by Joint Technical Committee ISO/IEC JTC 1, Information technology, Subcommittee SC 27, IT Security techniques.
ISO/IEC 27001 由联合技术委员会ISO/IEC JTC1(信息技术)分委员会SC27(安全技术)起草。

This second edition cancels and replaces the first edition (ISO/IEC 27001:2005), which has been technically revised.
第二版进行了技术上的修订,并取消和替代第一版(ISO/IEC 27001:2005)。

0 Introduction
引 言

0.1 General
0.1 总则

This International Standard has been prepared to provide requirements for establishing, implementing, maintaining and continually improving an information security management system. The adoption of an information security management system is a strategic decision for an organization. The establishment and implementation of an organization’s information security management system is influenced by the organization’s needs and objectives, security requirements, the organizational processes used and the size and structure of the organization. All of these influencing factors are expected to change over time.

The information security management system preserves the confidentiality, integrity and availability of information by applying a risk management process and gives confidence to interested parties that risks are adequately managed.

It is important that the information security management system is part of and integrated with the organization’s processes and overall management structure and that information security is considered in the design of processes, information systems, and controls. It is expected that an information security management system implementation will be scaled in accordance with the needs of the organization.

This International Standard can be used by internal and external parties to assess the organization’s ability to meet the organization’s own information security requirements.

The order in which requirements are presented in this International Standard does not reflect their importance or imply the order in which they are to be implemented. The list items are enumerated for reference purpose only.

ISO/IEC 27000 describes the overview and the vocabulary of information security management systems, referencing the information security management system family of standards (including ISO/IEC 27003[2], ISO/IEC 27004[3] and ISO/IEC 27005[4]), with related terms and definitions.
ISO/IEC27000 描述了信息安全管理体系的概述和词汇,参考了信息安全管理体系标准族(包括ISO/IEC 27003、ISO/IEC 27004 和ISO/IEC 27005)以及相关的术语和定义。

0.2 Compatibility with other management system standards
0.2 与其他管理体系的兼容性

This International Standard applies the high-level structure, identical sub-clause titles, identical text, common terms, and core definitions defined in Annex SL of ISO/IEC Directives, Part 1, Consolidated ISO Supplement, and therefore maintains compatibility with other management system standards that have adopted the Annex SL.
本标准应用了ISO/IEC 导则第一部分ISO补充部分附录SL中定义的高层结构、相同的子章节标题、相同文本、通用术语和核心定义。因此保持了与其它采用附录SL 的管理体系标准的兼容性。

This common approach defined in the Annex SL will be useful for those organizations that choose to operate a single management system that meets the requirements of two or more management system standards.
附录 SL 定义的通用方法对那些选择运作单一管理体系(可同时满足两个或多个管理体系标准要求)的组织来说是十分有益的
Information technology — Security techniques — Information security management systems — Requirements

1 Scope
1 范围

This International Standard specifies the requirements for establishing, implementing, maintaining and continually improving an information security management system within the context of the organization.
This International Standard also includes requirements for the assessment and treatment of information security risks tailored to the needs of the organization. The requirements set out in this International Standard are generic and are intended to be applicable to all organizations, regardless of type, size or nature. Excluding any of the requirements specified in Clauses 4 to 10 is not acceptable when an organization claims conformity to this International Standard.
本标准还规定了为适应组织需要而定制的信息安全风险评估和处置的要求。本标准规定的要求是通用的,适用于各种类型、规模和特性的组织。组织声称符合本标准时,对于第4 章到第10 章的要求不能删减。

2 Normative references
2 规范性引用文件
The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.

ISO/IEC 27000, Information technology — Security techniques — Information security management systems — Overview and vocabulary
ISO/IEC 27000,信息技术—安全技术—信息安全管理体系—概述和词汇

3 Terms and definitions
3 术语和定义
For the purposes of this document, the terms and definitions given in ISO/IEC 27000 apply.
ISO/IEC 27000中的术语和定义适用于本标准。



4 Context of the organization
4 组织环境

4.1 Understanding the organization and its context
4.1 理解组织及其环境

The organization shall determine external and internal issues that are relevant to its purpose and that affect its ability to achieve the intended outcome(s) of its information security management system.

NOTE Determining these issues refers to establishing the external and internal context of the organization considered in Clause 5.3 of ISO 31000:2009[5].
注:确定这些问题涉及到建立组织的外部和内部环境,在ISO 31000:2009[5]的5.3节考虑了这一事项。

4.2 Understanding the needs and expectations of interested parties
4.2 理解相关方的需求和期望
The organization shall determine:

a) interested parties that are relevant to the information security management system; and
b) the requirements of these interested parties relevant to information security.
a) 与信息安全管理体系有关的相关方;
b) 这些相关方与信息安全有关的要求

NOTE The requirements of interested parties may include legal and regulatory requirements and contractual obligations.

4.3 Determining the scope of the information security management system
4.3 确定信息安全管理体系的范围
The organization shall determine the boundaries and applicability of the information security management system to establish its scope.

When determining this scope, the organization shall consider:

a) the external and internal issues referred to in 4.1;
b) the requirements referred to in 4.2; and
c) interfaces and dependencies between activities performed by the organization, and those that are performed by other organizations. The scope shall be available as documented information.
a) 在4.1 中提及的外部和内部问题;
b) 在4.2 中提及的要求;
c) 组织所执行的活动之间以及与其它组织的活动之间的接口和依赖性

4.4 Information security management system
4.4 信息安全管理体系
The organization shall establish, implement, maintain and continually improve an information security management system, in accordance with the requirements of this International Standard.

5 Leadership
5 领导

5.1 Leadership and commitment
5.1 领导和承诺
Top management shall demonstrate leadership and commitment with respect to the information security management system by:

a) ensuring the information security policy and the information security objectives are established and are compatible with the strategic direction of the organization;
b) ensuring the integration of the information security management system requirements into the organization’s processes;
c) ensuring that the resources needed for the information security management system are available;
d) communicating the importance of effective information security management and of conforming to the information security management system requirements;
e) ensuring that the information security management system achieves its intended outcome(s);
f) directing and supporting persons to contribute to the effectiveness of the information security management system;
g) promoting continual improvement; and
h) supporting other relevant management roles to demonstrate their leadership as it applies to their areas of responsibility.
a) 确保建立信息安全方针和信息安全目标,并与组织的战略方向保持一致;
b) 确保将信息安全管理体系要求整合到组织的业务过程中;
c) 确保信息安全管理体系所需资源可用;
d) 传达信息安全管理有效实施、符合信息安全管理体系要求的重要性;
e) 确保信息安全管理体系实现其预期结果;
f) 指挥并支持人员为信息安全管理体系的有效实施作出贡献;
g) 促进持续改进;
h) 支持其他相关管理角色在其职责范围内展示他们的领导力。

5.2 Policy
5.2 方针
Top management shall establish an information security policy that:

a) is appropriate to the purpose of the organization;
b) includes information security objectives (see 6.2) or provides the framework for setting information security objectives;
c) includes a commitment to satisfy applicable requirements related to information security;
d) includes a commitment to continual improvement of the information security management system. The information security policy shall:
e) be available as documented information;
f) be communicated within the organization; and
g) be available to interested parties, as appropriate.
a) 适于组织的目标;
b) 包含信息安全目标(见6.2)或设置信息安全目标提供框架;
c) 包含满足适用的信息安全相关要求的承诺;
d) 包含信息安全管理体系持续改进的承诺。
e) 文件化并保持可用性;
f) 在组织内部进行传达;
g) 适当时,对相关方可用。

5.3 Organizational roles, responsibilities and authorities
5.3 组织角色、职责和权限
Top management shall ensure that the responsibilities and authorities for roles relevant to information security are assigned and communicated.

Top management shall assign the responsibility and authority for:

a) ensuring that the information security management system conforms to the requirements of this International Standard; and
b) reporting on the performance of the information security management system to top management.
a) 确保信息安全管理体系符合本标准的要求;
b) 将信息安全管理体系的绩效报告给高层管理者。
NOTE Top management may also assign responsibilities and authorities for reporting performance of the information security management system within the organization.



6 Planning
6 规划

6.1 Actions to address risks and opportunities
6.1 应对风险和机会的措施

6.1.1 General
6.1.1 总则
When planning for the information security management system, the organization shall consider the issues referred to in 4.1 and the requirements referred to in 4.2 and determine the risks and opportunities that need to be addressed to:

a) ensure the information security management system can achieve its intended outcome(s);
b) prevent, or reduce, undesired effects; and
c) achieve continual improvement.
The organization shall plan:
d) actions to address these risks and opportunities; and
e) how to
1) integrate and implement the actions into its information security management system
2) evaluate the effectiveness of these actions.
a) 确保信息安全管理体系能实现其预期结果;
b) 防止或减少意外的影响;
c) 实现持续改进。
d) 应对这些风险和机会的措施;
e) 如何
1) 整合和实施这些措施并将其纳入信息安全管理体系过程;
2) 评价这些措施的有效性。

6.1.2 Information security risk assessment
6.1.2 信息安全风险评估
The organization shall define and apply an information security risk assessment process that:

a) establishes and maintains information security risk criteria that include:
1) the risk acceptance criteria; and
2) criteria for performing information security risk assessments;
b) ensures that repeated information security risk assessments produce consistent, valid and comparable results;

c) identifies the information security risks:
1) apply the information security risk assessment process to identify risks associated with the loss of confidentiality, integrity and availability for information within the scope of the information security management system; and
2) identify the risk owners;
d) analyses the information security risks:
1) assess the potential consequences that would result if the risks identified in 6.1.2 c) 1) were to materialize;
2) assess the realistic likelihood of the occurrence of the risks identified in 6.1.2 c) 1); and
3) determine the levels of risk;
e) evaluates the information security risks:
1) compare the results of risk analysis with the risk criteria established in 6.1.2 a); and
2) prioritize the analysed risks for risk treatment.
The organization shall retain documented information about the information security risk assessment process.
a) 建立并保持信息安全风险准则,包括:
1) 风险接受准则;
2) 执行信息安全风险评估的准则;
b) 确保重复性的信息安全风险评估可产生一致的、有效的和可比较的结果;
c) 识别信息安全风险:
1) 应用信息安全风险评估过程来识别信息安全管理体系范围内的信息丧失保密性、完整性和可用性的相关风险;
2) 识别风险负责人;
d) 分析信息安全风险:
1) 评估6.1.2 c)1)中所识别风险发生后将导致的潜在影响;
2) 评估6.1.2 c)1)中所识别风险发生的现实可能性;
3) 确定风险级别;
e) 评价信息安全风险;
1) 将风险分析结果同6.1.2 a)建立的风险准则进行比较;
2) 为实施风险处置确定已分析风险的优先级。

6.1.3 Information security risk treatment
6.1.3 信息安全风险处置
The organization shall define and apply an information security risk treatment process to:
a) select appropriate information security risk treatment options, taking account of the risk
assessment results;
b) determine all controls that are necessary to implement the information security risk treatment option(s) chosen;
a) 在考虑风险评估结果的前提下,选择适当的信息安全风险处置选项:
b) 为实施所选择的信息安全风险处置选项,确定所有必需的控制措施;

NOTE Organizations can design controls as required, or identify them from any source.

c) compare the controls determined in 6.1.3 b) above with those in Annex A and verify that no necessary controls have been omitted;
c) 将6.1.3 b)所确定的控制措施与附录A 的控制措施进行比较,以核实没有遗漏必要的控制措施;

NOTE 1 Annex A contains a comprehensive list of control objectives and controls. Users of this International Standard are directed to Annex A to ensure that no necessary controls are overlooked.
NOTE 2 Control objectives are implicitly included in the controls chosen. The control objectives and controls listed in Annex A are not exhaustive and additional control objectives and controls may be needed.

d) produce a Statement of Applicability that contains the necessary controls (see 6.1.3 b) and c)) and justification for inclusions, whether they are implemented or not, and the justification for exclusions of controls from Annex A;
e) formulate an information security risk treatment plan; and
f) obtain risk owners’ approval of the information security risk treatment plan and acceptance of the residual information security risks.
The organization shall retain documented information about the information security risk treatment process.
d) 产生适用性声明。适用性声明要包含必要的控制措施(见6.1.3 b)和c))、对包含的合理性说明(无论是否已实施)以及对附录A 控制措施删减的合理性说明;
e) 制定信息安全风险处置计划;
f) 获得风险负责人对信息安全风险处置计划以及接受信息安全残余风险的批准。

NOTE The information security risk assessment and treatment process in this International Standard aligns with the principles and generic guidelines provided in ISO 31000[5].
注:本标准中的信息安全风险评估和处置过程可与ISO 31000[5]中规定的原则和通用指南相结合。


6.2 Information security objectives and planning to achieve them
6.2 信息安全目标和规划实现
The organization shall establish information security objectives at relevant functions and levels.The information security objectives shall:

a) be consistent with the information security policy;
b) be measurable (if practicable);
c) take into account applicable information security requirements, and results from risk assessment and risk treatment;
d) be communicated; and
e) be updated as appropriate.
The organization shall retain documented information on the information security objectives. When planning how to achieve its information security objectives, the organization shall determine:
f) what will be done;
g) what resources will be required;
h) who will be responsible;
i) when it will be completed; and
j) how the results will be evaluated.
a) 与信息安全方针一致;
b) 可测量(如可行);
c) 考虑适用的信息安全要求以及风险评估和风险处置结果;
d) 被传达;
e) 适当时进行更新。
f) 要做什么;
g) 需要什么资源;
h) 由谁负责;
i) 什么时候完成;
j) 如何评价结果。


7 Support
7 支持

7.1 Resources
7.1 资源
The organization shall determine and provide the resources needed for the establishment, implementation, maintenance and continual improvement of the information security management system.

7.2 Competence
7.2 能力
The organization shall:
a) determine the necessary competence of person(s) doing work under its control that affects its information security performance;
b) ensure that these persons are competent on the basis of appropriate education, training, or experience;
c) where applicable, take actions to acquire the necessary competence, and evaluate the effectiveness of the actions taken; and
d) retain appropriate documented information as evidence of competence.
a) 确定从事影响信息安全执行工作的人员在组织的控制下从事其工作的必要能力;
b) 确保人员在适当教育,培训和经验的基础上能够胜任工作;
c) 适用时,采取措施来获得必要的能力,并评价所采取措施的有效性;
d) 保留适当的文件记录信息作为能力方面的证据。

NOTE Applicable actions may include, for example: the provision of training to, the mentoring of, or the reassignment of current employees; or the hiring or contracting of competent persons.

7.3 Awareness
7.3 意识
Persons doing work under the organization’s control shall be aware of:
a) the information security policy;
b) their contribution to the effectiveness of the information security management system, including the benefits of improved information security performance; and
c) the implications of not conforming with the information security management system requirements.
a) 信息安全方针;
b) 他们对有效实施信息安全管理体系的贡献,包括信息安全绩效改进后的益处;
c) 不符合信息安全管理体系要求可能的影响。

7.4 Communication
The organization shall determine the need for internal and external communications relevant to the information security management system including:
a) on what to communicate;
b) when to communicate;
c) with whom to communicate;
d) who shall communicate; and
e) the processes by which communication shall be effected.
a) 什么需要沟通;
b) 什么时候沟通;
c) 跟谁进行沟通;
d) 由谁负责沟通;
e) 影响沟通的过程。

7.5 Documented information
7.5 文件记录信息

7.5.1 General
7.5.1 总则
The organization’s information security management system shall include:
a) documented information required by this International Standard; and
b) documented information determined by the organization as being necessary for the effectiveness of the information security management system.
a) 本标准要求的文件记录信息;
b) 组织为有效实施信息安全管理体系确定的必要的文件记录信息。

NOTE The extent of documented information for an information security management system can differ from one organization to another due to:

1) the size of organization and its type of activities, processes, products and services;
2) the complexity of processes and their interactions; and
3) the competence of persons.
1) 组织的规模及其活动、过程、产品和服务的类型;
2) 过程的复杂性及其相互作用;
3) 人员的能力。

7.5.2 Creating and updating
7.5.2 创建和更新
When creating and updating documented information the organization shall ensure appropriate:
a) identification and description (e.g. a title, date, author, or reference number);
b) format (e.g. language, software version, graphics) and media (e.g. paper, electronic);
c) review and approval for suitability and adequacy.
a) 标识和描述(例如:标题、日期、作者或参考编号);
b) 格式(例如:语言,软件版本,图表)和介质(例如:纸质介质,电子介质);
c) 评审和批准其适用性和充分性。

7.5.3 Control of documented information
7.5.3 文件记录信息的控制
Documented information required by the information security management system and by this International Standard shall be controlled to ensure:
a) it is available and suitable for use, where and when it is needed; and
b) it is adequately protected (e.g. from loss of confidentiality, improper use, or loss of integrity).
a) 无论何时何地需要,它都是可用并适合使用的;
b) 它被充分保护(例如避免丧失保密性、使用不当或丧失完整性)。

For the control of documented information, the organization shall address the following activities,as applicable:
c) distribution, access, retrieval and use;
d) storage and preservation, including the preservation of legibility;
e) control of changes (e.g. version control); and
f) retention and disposition.
c) 分发、访问、检索和使用;
d) 存储和保存,包括可读性的保持;
e) 变更控制(例如版本控制);
f) 保留和和处置。