6 ISO/IEC 27001:2005(E)
3 名词和定义
从本国际标准的目的出发,以下名词和
定义适用。
3.1 资产
对组织而言具有价值的事物。
[BS ISO/IEC 13335-1:2004]
3.2 可用性
保证被授权的使用者需要时能够访问
信息及相关资产。
[BS ISO/IEC 13335-1:2004]
3.3 保密性
信息不被未授权的个人、实体、流程访
问披露。
[BS ISO/IEC 13335-1:2004]
3.4 信息安全
保护信息的保密性、完整性、可用性及
其他属性,如:真实性、可确认性、不
可否认性和可靠性。
[BS ISO/IEC 17799:2005]
3.5 信息安全事件
系统、服务或网络状态发生的事件违背
了信息安全策略,或使安全措施失效,
或以前末知的与安全相关的情况
[BS ISO/IEC TR 18044:2004]
3.6 信息安全事故
单个或一系列的意外信息安全事件可
能严重影响业务运作并威胁信息安全.
[BS ISO/IEC TR 18044:2004]
3.7 信息安全管理体系(ISMS)
是整个管理体系的一部分,建立在业务
风险的方法上,以开发、实施、运行、
评审、维护和改进信息安全。
注:管理系统包括组织架构、策略、策
划、职责、实践、程序、流程和资源。
3.8 完整性
保护资产的准确和完整。
[BS ISO/IEC 13335-1:2004]
3.9 剩余风险
经过风险处理后仍保留的风险。
[BS ISO/IEC Guide 73:2002]
3.10 风险接受
接受风险的决策。
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1 asset
anything that has value to the organization.
[ISO/IEC 13335-1:2004]
3.2 availability
the property of being accessible and usable upon demand by an authorized entity.
[ISO/IEC 13335-1:2004]
3.3 confidentiality
the property that information is not made available or disclosed to unauthorized individuals,
entities, or processes.
[ISO/IEC 13335-1:2004]
3.4 information security
preservation of confidentiality, integrity and availability of information; in addition, other
properties such as authenticity, accountability, non-repudiation and reliability can also be
involved.
[ISO/IEC 17799:2005]
3.5 information security event
an identified occurrence of a system, service or network state indicating a possible breach
of information security policy or failure of safeguards, or a previously unknown situation that
may be security relevant.
[ISO/IEC TR 18044:2004]
3.6 information security incident
a single or a series of unwanted or unexpected information security events that have a
significant probability of compromising business operations and threatening information
security.
[ISO/IEC TR 18044:2004]
3.7 information security management system ISMS
that part of the overall management system, based on a business risk approach, to
establish, implement, operate, monitor, review, maintain and improve information security.
NOTE: The management system includes organizational structure, policies, planning
activities, responsibilities, practices, procedures, processes and resources.
3.8 integrity
the property of safeguarding the accuracy and completeness of assets.
[ISO/IEC 13335-1:2004]
3.9 residual risk
the risk remaining after risk treatment.
[ISO/IEC Guide 73:2002]
3.10 risk acceptance
decision to accept a risk.
[ISO/IEC Guide 73:2002]
3.11 risk analysis
© ISO/IEC 2005 – All rights reserved