CAN CSA-ISO IEC 27005-2011 Information technology - Security techniques - Information security risk management.pdf

1、Information technology Security techniques Information security risk managementCAN/CSA-ISO/IEC 27005:11(ISO/IEC 27005:2011, IDT)National Standard of CanadaNOT FOR RESALE.PUBLICATION NON DESTINE LA REVENTE.Legal Notice for StandardsCanadian Standards Association (CSA) standards are developed through

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18、onditions of this Legal Notice.CSA Standards Update ServiceCAN/CSA-ISO/IEC 27005:11December 2011Title:Information technology Se curity techniques Information security risk managementPagination:29 pages (CSA/1CSA/4, ivi, and 19 text)To register for e-mail notification about any updates to this public

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35、 in December 2011 by Canadian Standards AssociationA not-for-profit private sector organization5060 Spectrum Way, Suite 100, Mississauga, Ontario, Canada L4W 5N61-800-463-6727 416-747-4044Visit our Online Store at www.ShopCSA.caApproved byStandards Council of CanadaCAN/CSA-ISO/IEC 27005:11Informatio

36、n technology Security techniques Information security risk managementPrepared by InternationalOrganizationforStandardization/ International Electrotechnical CommissionCAN/CSA-ISO/IEC 27005:11Information technology Security techniques Information security risk managementCSA/4 Canadian Standards Assoc

37、iation December 2011CAN/CSA-ISO/IEC 27005:11Information technology Security techniques Information security risk managementCSA PrefaceStandards development within the Information Technology sector is harmonized with international standards development. Through the CSA Technical Committee on Informat

38、ion Technology (TCIT), Canadians serve as the Canadian Advisory Committee (CAC) on ISO/IEC Joint Technical Committee 1 on Information Technology (ISO/IEC JTC1) for the Standards Council of Canada (SCC), the ISO member body for Canada and sponsor of the Canadian National Committee of the IEC. Also, a

39、s a member of the International Telecommunication Union (ITU), Canada participates in the International Telegraph and Telephone Consultative Committee (ITU-T).This International Standard was reviewed by the CSA TCIT under the jurisdiction of the Strategic Steering Committee on Information Technology

40、 and deemed acceptable for use in Canada. From time to time, ISO/IEC may publish addenda, corrigenda, etc. The CSA TCIT will review these documents for approval and publication. For a listing, refer to the CSA Information Products catalogue or CSA Info Update or contact a CSA Sales representative. T

41、his Standard has been formally approved, without modification, by the Technical Committee and has been approved as a National Standard of Canada by the Standards Council of Canada.December 2011 Canadian Standards Association 2011All rights reserved. No part of this publication may be reproduced in a

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45、esignation (number);(b) relevant clause, table, and/or figure number;(c) wording of the proposed change; and(d) rationale for the change.Reference numberISO/IEC 27005:2011(E)ISO/IEC 2011INTERNATIONAL STANDARD ISO/IEC27005Second edition2011-06-01Information technology Security techniques Information

46、security risk management Technologies de linformation Techniques de scurit Gestion des risques lis la scurit de linformation ISO/IEC 27005:2011(E) COPYRIGHT PROTECTED DOCUMENT ISO/IEC 2011 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in a

47、ny form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISOs member body in the country of the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 7

48、49 09 47 E-mail copyrightiso.org Web www.iso.org ii ISO/IEC 2011 All rights reservedISO/IEC 27005:2011(E) ISO/IEC 2011 All rights reserved iiiContents Page Foreword .v Introductionvi 1 Scope1 2 Normative references1 3 Terms and definitions .1 4 Structure of this International Standard .5 5 Backgroun

49、d6 6 Overview of the information security risk management process 7 7 Context establishment10 7.1 General considerations.10 7.2 Basic Criteria .10 7.2.1 Risk management approach 10 7.2.2 Risk evaluation criteria .10 7.2.3 Impact criteria 11 7.2.4 Risk acceptance criteria .11 7.3 Scope and boundaries12 7.4 Organization for information security risk management 12 8 Information security risk assessment.13 8.1 General description of information security risk assessment .13 8.2 Risk identification13 8.2.1 Introdu