ISO/IEC 27011
(Main)Information security, cybersecurity and privacy protection — Information security controls based on ISO/IEC 27002 for telecommunications organizations
Information security, cybersecurity and privacy protection — Information security controls based on ISO/IEC 27002 for telecommunications organizations
Sécurité de l'information, cybersécurité et protection de la vie privée — Mesures de sécurité de l'information pour les organismes de télécommunications sur la base de l'ISO/IEC 27002
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ISO/IEC 27011
Third edition
Information security, cybersecurity
2024-03
and privacy protection —
Information security controls
based on ISO/IEC 27002 for
telecommunications organizations
Sécurité de l'information, cybersécurité et protection de la
vie privée — Mesures de sécurité de l'information pour les
organismes de télécommunications sur la base de l'ISO/IEC 27002
Reference number
ISO/IEC 27011:2024(en) © ISO/IEC 2024
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ISO/IEC 27011:2024(en)
COPYRIGHT PROTECTED DOCUMENT
© ISO/IEC 2024
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
© ISO/IEC 2024 – All rights reserved
ii
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ISO/IEC 27011:2024(en)
Foreword
ISO (the International Organization for 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 organization 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.
The procedures used to develop this document and those intended for its further maintenance
are described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed
for the different types of document should be noted (see www.iso.org/directives or
www.iec.ch/members_experts/refdocs).
ISO and IEC draw attention to the possibility that the implementation of this document may involve the
use of (a) patent(s). ISO and IEC take no position concerning the evidence, validity or applicability of any
claimed patent rights in respect thereof. As of the date of publication of this document, ISO and IEC had
not received notice of (a) patent(s) which may be required to implement this document. However,
implementers are cautioned that this may not represent the latest information, which may be obtained
from the patent database available at www.iso.org/patents and https://patents.iec.ch. ISO and IEC shall
not be held responsible for identifying any or all such patent rights.
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation of the voluntary nature of standards, the meaning of ISO specific terms
and expressions related to conformity assessment, as well as information about ISO's adherence
to the World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT)
see www.iso.org/iso/foreword.html. In the IEC, see www.iec.ch/understanding-standards.
This document was prepared by ITU-T (as ITU-T Recommendation X.1051) and drafted in accordance
with its editorial rules, in collaboration with Joint Technical Committee ISO/IEC JTC 1, Information
technology, Subcommittee SC 27, Information security, cybersecurity and privacy protection.
This third edition cancels and replaces the second edition (ISO/IEC 27011-1:2016), which has been
technically revised. It also incorporates the Technical Corrigendum ISO/IEC 27011-1:2016/Cor 1:2018.
Any feedback or questions on this document should be directed to the user’s national standards body. A
complete listing of these bodies can be found at www.iso.org/members.html and www.iec.ch/national-
committees.
© ISO/IEC 2024 – All rights reserved
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ISO/IEC 27011:2024(en)
INTERNATIONAL STANDARD ISO/IEC 27011
RECOMMENDATION ITU-T X.1051
Information security, cybersecurity and privacy protection – Information security controls
based on ISO/IEC 27002 for telecommunications organizations
Summary
This Recommendation | International Standard:
a) establishes guidelines and general principles for initiating, implementing, maintaining and improving
information security controls in telecommunications organizations based on ISO/IEC 27002;
b) provides an implementation baseline of information security controls within telecommunications
organizations to ensure the confidentiality, integrity and availability of telecommunications facilities,
services and information handled, pr
...
FINAL
INTERNATIONAL ISO/IEC
DRAFT
STANDARD FDIS
27011
ISO/IEC JTC 1/SC 27
Information security, cybersecurity
Secretariat: DIN
and privacy protection — Information
Voting begins on:
2023-11-13 security controls based on ISO/
IEC 27002 for telecommunications
Voting terminates on:
2024-01-08
organizations
RECIPIENTS OF THIS DRAFT ARE INVITED TO
SUBMIT, WITH THEIR COMMENTS, NOTIFICATION
OF ANY RELEVANT PATENT RIGHTS OF WHICH
THEY ARE AWARE AND TO PROVIDE SUPPOR TING
DOCUMENTATION.
IN ADDITION TO THEIR EVALUATION AS
Reference number
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO-
ISO/IEC FDIS 27011:2023(E)
LOGICAL, COMMERCIAL AND USER PURPOSES,
DRAFT INTERNATIONAL STANDARDS MAY ON
OCCASION HAVE TO BE CONSIDERED IN THE
LIGHT OF THEIR POTENTIAL TO BECOME STAN-
DARDS TO WHICH REFERENCE MAY BE MADE IN
NATIONAL REGULATIONS. © ISO/IEC 2023
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ISO/IEC FDIS 27011:2023(E)
FINAL
INTERNATIONAL ISO/IEC
DRAFT
STANDARD FDIS
27011
ISO/IEC JTC 1/SC 27
Information security, cybersecurity
Secretariat: DIN
and privacy protection — Information
Voting begins on:
security controls based on ISO/
IEC 27002 for telecommunications
Voting terminates on:
organizations
COPYRIGHT PROTECTED DOCUMENT
© ISO/IEC 2023
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
or ISO’s member body in the country of the requester.
RECIPIENTS OF THIS DRAFT ARE INVITED TO
ISO copyright office
SUBMIT, WITH THEIR COMMENTS, NOTIFICATION
OF ANY RELEVANT PATENT RIGHTS OF WHICH
CP 401 • Ch. de Blandonnet 8
THEY ARE AWARE AND TO PROVIDE SUPPOR TING
CH-1214 Vernier, Geneva
DOCUMENTATION.
Phone: +41 22 749 01 11
IN ADDITION TO THEIR EVALUATION AS
Reference number
Email: copyright@iso.org
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO
ISO/IEC FDIS 27011:2023(E)
Website: www.iso.org
LOGICAL, COMMERCIAL AND USER PURPOSES,
DRAFT INTERNATIONAL STANDARDS MAY ON
Published in Switzerland
OCCASION HAVE TO BE CONSIDERED IN THE
LIGHT OF THEIR POTENTIAL TO BECOME STAN
DARDS TO WHICH REFERENCE MAY BE MADE IN
ii
© ISO/IEC 2023 – All rights reserved
NATIONAL REGULATIONS. © ISO/IEC 2023
---------------------- Page: 2 ----------------------
ISO/IEC 27011:2023(E)
INTERNATIONAL STANDARD ISO/IEC 27011
RECOMMENDATION ITU-T X.1051
Information security, cybersecurity and privacy protection — Information security controls
based on ISO/IEC 27002 for telecommunications organizations
Summary
This Recommendation | International Standard:
a) establishes guidelines and general principles for initiating, implementing, maintaining and improving
information security controls in telecommunications organizations based on ISO/IEC 27002;
b) provides an implementation baseline of information security controls within telecommunications
organizations to ensure the confidentiality, integrity and availability of telecommunications facilities,
services and information handled, processed or stored by the facilities and services.
As a result of implementing this Recommendation | International Standard, telecommunications organizations, both within
and between jurisdictions, will:
a) be able to ensure the confidentiality, integrity and availability of global telecommunications facilities,
services and the information handled, processed or stored within global facilities and services;
b) have adopted secure collaborative processes and controls ensuring the lowering of risks in the delivery of
telecommunications services;
c) be able to deliver information security in an effective and efficient manner;
d) have adopted a consistent holistic approach to information security;
e) be able to improve the security culture of organizations, raise staff awareness and increase public trust.
Keywords
information security controls and telecommunications extended controls, information security management, ISO/IEC
27002, information security risk assessment, information security risk treatment.
© ISO/IEC 2023 – All rights reserved
iii
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ISO/IEC 27011:2023(E)
CONTENTS
Page
1 Scope . 1
2 Normative references. 1
3 Definitions and abbreviations . 1
3.1 Definitions .
...
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