BS ISO IEC 27011-2016 Information technology Security techniques Code of practice for information security controls based on ISO IEC 27002 for telecommunications organizat.pdf

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1、BS ISO/IEC 27011:2016 Information technology Security techniques Code of practice for Information security controls based on ISO/IEC 27002 for telecommunications organizations BSI Standards Publication WB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06BS ISO/IEC 27011:2016 BRITISH STANDARD Nat

2、ional foreword This British Standard is the UK implementation of ISO/IEC 27011:2016. It supersedes BS ISO/IEC 27011:2008 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee IST/33/1, Information Security Management Systems. A list of organizations represe

3、nted on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2016. Published by BSI Standards Limited 2016 ISBN 978 0 5

4、80 86247 2 ICS 35.040 Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 December 2016. Amendments/corrigenda issued since publication Date T e x t a f f e c t

5、e dBS ISO/IEC 27011:2016Reference number ISO/IEC 27011:2016(E) ISO/IEC 2016INTERNATIONAL STANDARD ISO/IEC 27011 Second edition 2016-12-01 Information technology Security techniques Code of practice for Information security controls based on ISO/IEC 27002 for telecommunications organizations Technolo

6、gies de linformation Techniques de scurit Code de bonne pratique pour les contrles de la scurit de linformation fonds sur lISO/IEC 27002 pour les organismes de tlcommunications BS ISO/IEC 27011:2016 ISO/IEC 27011:2016(E) COPYRIGHT PROTECTED DOCUMENT ISO/IEC 2016 All rights reserved. Unless otherwise

7、 specified, no part of this publication may be reproduced or utilized in any 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 off

8、ice Ch. de Blandonnet 8 CP 401 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 copyrightiso.org Web www.iso.org Published in Switzerland ii ISO/IEC 2016 All rights reservedBS ISO/IEC 27011:2016 ISO/IEC 27011:2016(E) ISO/IEC 2016 All rights reserved ii-1 Foreword ISO (the International Organization for

9、Standardization) and IEC (the International Electrotechnical Commission) form the specialized system for worldwide standardization. National bodies that are members of ISO or IEC participate in the development of International Standards through technical committees established by the respective orga

10、nization to deal with particular fields of technical activity. ISO and IEC technical committees collaborate in fields of mutual interest. Other international organizations, governmental and non-governmental, in liaison with ISO and IEC, also take part in the work. In the field of information technol

11、ogy, ISO and IEC have established a joint technical committee, ISO/IEC JTC 1. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of the joint technical committee is to prepare International Standards. Draft International Standards

12、adopted by the joint technical committee are circulated to national bodies for voting. Publication as an International Standard requires approval by at least 75 % of the national bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subjec

13、t of patent rights. ISO and IEC shall not be held responsible for identifying any or all such patent rights. This second edition cancels and replaces firs edition of ISO/IEC 27011:2008 which has been technically revised. ISO/IEC 27011 was prepared by Joint Technical Committee ISO/IEC JTC 1, Informat

14、ion technology, Subcommittee SC 27, IT Security techniques, in collaboration with ITU-T. The identical text is published as Rec. ITU-T X.1051. BS ISO/IEC 27011:2016 ISO/IEC 27011:2016(E) ITU-T Rec. X.1051 (04/2016) iii CONTENTS Page 1 Scope 1 2 Normative references 1 3 Definitions and abbreviations

15、. 1 3.1 Definitions . 1 3.2 Abbreviations 2 4 Overview 2 4.1 Structure of this Recommendation | International Standard 2 4.2 Information security management systems in telecommunications organizations 3 5 Information security policies 5 6 Organization of information security 5 6.1 Internal organizat

16、ion . 5 6.2 Mobile devices and teleworking 6 7 Human resource security 6 7.1 Prior to employment 6 7.2 During employment 7 7.3 Termination or change of employment . 7 8 Asset management 7 8.1 Responsibility for assets 7 8.2 Information classification 8 8.3 Media handling 8 9 Access control 8 9.1 Bus

17、iness requirement for access control . 8 9.2 User access management . 9 9.3 User responsibilities 9 9.4 System and application access control 9 10 Cryptography 9 11 Physical and environmental security 9 11.1 Secure areas . 9 11.2 Equipment . 10 12 Operations security . 12 12.1 Operational procedures

18、 and responsibilities 12 12.2 Protection from malware . 13 12.3 Backup 13 12.4 Logging and monitoring 13 12.5 Control of operational software . 13 12.6 Technical vulnerability management 14 12.7 Information systems audit considerations . 14 13 Communications security . 14 13.1 Network security manag

19、ement 14 13.2 Information transfer. 15 14 System acquisition, development and maintenance . 16 14.1 Security requirements of information systems 16 14.2 Security in development and support processes 16 14.3 Test data 16 15 Supplier relationships . 16 15.1 Information security in supplier relationshi

20、ps . 16 15.2 Supplier service delivery management 17 16 Information security incident management 17 16.1 Management of information security incidents and improvements. 17 17 Information security aspects of business continuity management 19 BS ISO/IEC 27011:2016 ISO/IEC 27011:2016(E) iv ITU-T Rec. X.

21、1051 (04/2016) Page 17.1 Information security continuity . 19 17.2 Redundancies 20 18 Compliance . 20 Annex A Telecommunications extended control set 21 Annex B Additional guidance for network security . 29 B.1 Security measures against network attacks . 29 B.2 Network security measures for network

22、congestion 30 Bibliography 31 BS ISO/IEC 27011:2016 ISO/IEC 27011:2016(E) ITU-T Rec. X.1051 (04/2016) v Introduction This Recommendation | International Standard provides interpretation guidelines for the implementation and management of information security controls in telecommunications organizati

23、ons based on ISO/IEC 27002. Telecommunications organizations provide telecommunications services by facilitating the communications of customers through their infrastructure. In order to provide telecommunications services, telecommunications organizations need to interconnect and/or share their ser

24、vices and facilities and/or use the services and facilities of other telecommunications organizations. Furthermore, the site location, such as radio sites, antenna locations, ground cables and utility provision (power, water), may be accessed not only by the organizations staff, but also by contract

25、ors and providers external to the organization. Therefore, the management of information security in telecommunications organizations is complex, potentially: depending on external parties; having to cover all areas of network infrastructure, services applications and other facilities; including a r

26、ange of telecommunications technologies (e.g., wired, wireless or broadband); supporting a wide range of operational scales, service areas and service types. In addition to the application of security objectives and controls described in ISO/IEC 27002, telecommunications organizations may need to im

27、plement extra controls to ensure confidentiality, integrity, availability and any other security property of telecommunications in order to manage security risk in an adequate fashion. 1) Confidentiality Protecting confidentiality of information related to telecommunications from unauthorized disclo

28、sure. This implies non-disclosure of communications in terms of the existence, the content, the source, the destination and the date and time of communicated information. It is critical that telecommunications organizations ensure that the non-disclosure of communications being handled by them is no

29、t breached. This includes ensuring that persons engaged by the telecommunications organization maintain the confidentiality of any information regarding others that may have come to be known during their work duties. NOTE The term “secrecy of communications“ is used in some countries in the context

30、of “non-disclosure of communications“. 2) Integrity Protecting the integrity of telecommunications information includes controlling the installation and use of telecommunications facilities to ensure the authenticity, accuracy and completeness of information transmitted, relayed or received by wire,

31、 radio or any other method. 3) Availability Availability of telecommunications information includes ensuring that access to facilities and the medium used for the provision of communication services is authorized, regardless of whether communications is provided by wire, radio or any other method. T

32、ypically, telecommunications organizations give priority to essential communications in case of emergencies, managing unavailability of less important communications in compliance with regulatory requirements. Audience The audience of this Recommendation | International Standard consists of telecomm

33、unications organizations and those responsible for information security; together with security vendors, auditors, telecommunications terminal vendors and application content providers. This Recommendation | International Standard provides a common set of general security control objectives based on

34、 ISO/IEC 27002, telecommunications sector-specific controls and information security management guidelines allowing for the selection and implementation of such controls. BS ISO/IEC 27011:2016 ISO/IEC 27011:2016(E) BS ISO/IEC 27011:2016 ISO/IEC 27011:2016(E) BS ISO/IEC 27011:2016 ISO/IEC 27011:2016

35、(E) ITU-T Rec. X.1051 (04/2016) 1 INTERNATIONAL STANDARD ITU-T RECOMMENDATION Information technology Security techniques Code of practice for information security controls based on ISO/IEC 27002 for telecommunications organizations 1 Scope The scope of this Recommendation | International Standard is

36、 to define guidelines supporting the implementation of information security controls in telecommunications organizations. The adoption of this Recommendation | International Standard will allow telecommunications organizations to meet baseline information security management requirements of confiden

37、tiality, integrity, availability and any other relevant security property. 2 Normative references The following Recommendations and International Standards contain provisions which, through reference in this text, constitute provisions of this Recommendation | International Standard. At the time of

38、publication, the editions indicated were valid. All Recommendations and Standards are subject to revision, and parties to agreements based on this Recommendation | International Standard are encouraged to investigate the possibility of applying the most recent edition of the Recommendations and Stan

39、dards listed below. Members of IEC and ISO maintain registers of currently valid International Standards. The Telecommunication Standardization Bureau of the ITU maintains a list of currently valid ITU-T Recommendations. ISO/IEC 27000, Information technology Security techniques Information security

40、management systems Overview and vocabulary. ISO/IEC 27002:2013, Information technology Security techniques Code of practice for information security controls. 3 Definitions and abbreviations 3.1 Definitions For the purposes of this Recommendation | International Standard, the definitions given in IS

41、O/IEC 27000 and the following apply: 3.1.1 co-location: Installation of telecommunications facilities on the premises of other telecommunications carriers. 3.1.2 communication centre: Building where facilities for providing telecommunications business are sited. 3.1.3 essential communications: Commu

42、nications whose contents are necessary for the prevention of or relief from disasters and for the maintenance of public order in adverse conditions. 3.1.4 non-disclosure of communications: Requirement not to disclose the existence, the content, the source, the destination and the date and time of co

43、mmunicated information. 3.1.5 priority call: Telecommunications made by specific terminals in the event of emergencies, which should be handled with priority by restricting public calls. NOTE The specific terminals may span different services (voice over Internet protocol (VoIP), public switched tel

44、ephone network (PSTN) voice, Internet protocol (IP) data traffic, etc.) for wired and wireless networks. 3.1.6 telecommunications applications: Applications such as Voice over IP (VoIP) that are consumed by end-users and built upon the network based services. 3.1.7 telecommunications business: Busin

45、ess to provide telecommunications services in order to meet the demand of others. 3.1.8 telecommunications equipment room: A secure location or room within a general building where equipment for providing telecommunications business are sited. 3.1.9 telecommunications facilities: Machines, equipment

46、, wire and cables, physical buildings or other electrical facilities for the operation of telecommunications. BS ISO/IEC 27011:2016 ISO/IEC 27011:2016 (E) 2 ITU-T Rec. X.1051 (04/2016) 3.1.10 telecommunications organizations: Business entities who provide telecommunications services in order to meet

47、 the demand of others. 3.1.11 telecommunication records: Information concerning the parties in a communication excluding the contents of the communication, and the time, and duration of the telecommunication that took place. 3.1.12 telecommunications services: Communications using telecommunications

48、 facilities, or any other means of providing communications either between telecommunications service users or telecommunications service customers. 3.1.13 telecommunications service customer: Person or organization who enters into a contract with telecommunications organizations to be offered telec

49、ommunications services by them. 3.1.14 telecommunications service user: Person or organization who utilizes telecommunications services. 3.1.15 terminal facilities: Telecommunications facilities which are to be connected to one end of telecommunications circuit facilities and part of which is to be installed on the same premises (including the areas regarded as the same premises) or in the same building where any other part thereof is also to be installed. 3.1.16 user: Person or organization who utilizes information pro