3. ISO 27001 standard

3.1 Context

A first document, ISO/IEC 17799, published in 2005, dealt with security techniques and provided a code of good practice for information security management. These implementation recommendations are included in the normative Annex A of ISO/IEC 27001. The 2013 version includes a major evolution in requirements. Of particular note are:

• Definitions are given in ISO/IEC 27000 ;

• two additional requirement chapters: 4 to 10 instead of 4 to 8;

• normative Annex A, which adopts a new structure: 14 objective sectors instead of 11, and 114 safety measures instead of 133;

• the former informative appendices B and C are deleted.

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