International Standards Organization (ISO) 27002 (17799)
ISO 27002 (17799) Information:ISO/IEC 27002 (formerly 17799) is an information security standard published and most recently revised in June 2005 by the International Organization for Standardization (ISO) and the International Electrotechnical Commission (IEC). It is entitled Information technology - Security techniques - Code of practice for information security management. The current standard is a revision of the version published in 2000, which was a word-for-word copy of the British Standard (BS) 7799-1:1999.
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ISO/IEC 27002 provides best practice recommendations on information security management for use by those who are responsible for initiating, implementing or maintaining information security management systems. Information security is defined within the standard in the context of the C-I-A triad:
The preservation of confidentiality (ensuring that information is accessible only to those authorized to have access), integrity (safeguarding the accuracy and completeness of information and processing methods) and availability (ensuring that authorized users have access to information and associated assets when required).
The 2005 version of the standard contains the following twelve main sections:
• Risk assessment and treatment
• Security policy
• Organization of information security
• Asset management
• Human resources security
• Physical and environmental security
• Communications and operations management
• Access control
• Information systems acquisition, development and maintenance
• Information security incident management
• Business continuity management
Within each section, IT security controls and their objectives are specified and outlined. The IT security controls are generally regarded as best practice means of achieving those objectives. For each of the controls, implementation guidance is provided. Specific controls are not mandated since:
• Each organization is expected to undertake a structured information security risk assessment process to determine its requirements before selecting controls that are appropriate to its particular circumstances. (The introduction section outlines a risk assessment process although there are more specific standards covering this area such as ISO Technical Report TR 13335 GMITS Part 3 - Guidelines for the management of IT security - Security Techniques.)
• It is practically impossible to list all conceivable controls in a general purpose standard
ISO/IEC 17799 has directly equivalent national standards in countries such as Australia and New Zealand (AS/NZS ISO/IEC 17799:2006), the Netherlands (NEN-ISO/IEC 17799:2002 nl, 2005 version in translation), Sweden (SS 627799), Japan (JIS Q 27002), UNE 71501 (Spain), the United Kingdom (BS ISO/IEC 17799:2005) and Uruguay (UNIT/ISO 17799:2005). Translation and local publication often results in several months' delay after the main ISO/IEC standard is revised and released.
ISO/IEC 17799:2005 is expected to be renamed ISO/IEC 27002 in 2007. The ISO/IEC 27000 series has been reserved for information security matters with a handful of related standards such as ISO/IEC 27001 having already been released and others such as ISO/IEC 27004 - Information Security Management Metrics and Measurement - currently in draft.
ISO/IEC 27001 (Information technology - Security techniques - Information security management systems - Requirements) specifies a number of requirements for establishing, implementing, maintaining and improving an information security management system consistent with the best practices outlined in ISO/IEC 17799. This replaced BS 7799-2:2002: Information security management systems - Specification with guidance for use. Previously, organizations could only be officially certified against the British Standard (or national equivalents) by certification/registration bodies accredited by the relevant national standards organizations. Now the international standard can be used for certification.
Above article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "ISO/IEC 17799".
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