Iso 27000

INTERNATIONAL STANDARD

ISO/IEC 27000
First edition 2009-05-01

Information technology — Security techniques — Information security management systems — Overview and vocabulary
Technologies de l'information — Techniques de sécurité — Systèmes de gestion de la sécurité des informations — Vue d'ensemble et vocabulaire

Reference number ISO/IEC 27000:2009(E)

© ISO/IEC 2009ISO/IEC 27000:2009(E)

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© ISO/IEC 2009 – All rights reserved

ISO/IEC 27000:2009(E)

Contents

PageForeword............................................................................................................................................................ iv 0 1 2 3 3.1 3.2 3.3 3.4 3.5 3.6 3.7 4 4.1 4.2 4.3 4.4 4.5 Introduction ........................................................................................................................................... v Scope..................................................................................................................................................... 1 Terms and definitions........................................................................................................................... 1 Information security management systems...................................................................................... 6 Introduction ........................................................................................................................................... 6 What is an ISMS? .................................................................................................................................. 7 Processapproach................................................................................................................................. 8 Why an ISMS is important.................................................................................................................... 9 Establishing, monitoring, maintaining and improving an ISMS .................................................... 10 ISMS critical success factors............................................................................................................ 11 Benefits of the ISMS family of standards ......................................................................................... 11 ISMS family of standards ................................................................................................................... 12 General...