SIST EN IEC 62443-2-4:2019

SLOVENSKI STANDARD
01-november-2019
Zaščita industrijske avtomatizacije in nadzornih sistemov - 2-4. del: Zahteve za
program varnosti zaščite za ponudnike storitev IACS (IEC 62443-2-4:2015)
Security for industrial automation and control systems - Part 2-4: Security program
requirements for IACS service providers (IEC 62443-2-4:2015)
IT-Sicherheit für industrielle Automatisierungssysteme - Teil 2-4: Anforderungen an das
IT-Sicherheitsprogramm von Dienstleistern für industrielle Automatisierungssysteme (IEC
62443-2-4:2015)
Sécurité des automatismes industriels et des systèmes de commande Partie 2-4:
Exigences de programme de sécurité pour les fournisseurs de service IACS (IEC 62443-
2-4:2015)
Ta slovenski standard je istoveten z: EN IEC 62443-2-4:2019
ICS:
25.040.01 Sistemi za avtomatizacijo v Industrial automation
industriji na splošno systems in general
35.030 Informacijska varnost IT Security
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN IEC 62443-2-4

NORME EUROPÉENNE
EUROPÄISCHE NORM
April 2019
ICS 25.040.40; 35.100.05
English Version
Security for industrial automation and control systems - Part 2-4:
Security program requirements for IACS service providers
(IEC 62443-2-4:2015)
Sécurité des automatismes industriels et des systèmes de IT-Sicherheit für industrielle Automatisierungssysteme - Teil
commande - Partie 2-4: Exigences de programme de 2-4: Anforderungen an das IT-Sicherheitsprogramm von
sécurité pour les fournisseurs de service IACS Dienstleistern für industrielle Automatisierungssysteme
(IEC 62443-2-4:2015) (IEC 62443-2-4:2015)
This European Standard was approved by CENELEC on 2019-04-03. CENELEC members are bound to comply with the CEN/CENELEC
Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC
Management Centre or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden,
Switzerland, Turkey and the United Kingdom.

European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2019 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 62443-2-4:2019 E

European foreword
This document (EN IEC 62443-2-4:2019) consists of the text of IEC 62443-2-4:2015 prepared by
IEC/TC 65 "Industrial-process measurement, control and automation".
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2020-04-03
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2022-04-03
document have to be withdrawn
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.

Endorsement notice
The text of the International Standard IEC 62443-2-4:2015 was approved by CENELEC as a
European Standard without any modification.
In the official version, for Bibliography, the following notes have to be added for the standards
indicated:
IEC 61508 (series) NOTE Harmonized as EN 61508 (series)
IEC 61511 (series) NOTE Harmonized as EN 61511 (series)
IEC 62264-1:2013 NOTE Harmonized as EN 62264-1:2013 (not modified)
IEC 62443-3-3:2013 NOTE Harmonized as EN IEC 62443-3-3:2019 (not modified)
IEC 62443-4-1 NOTE Harmonized as EN IEC 62443-4-1
IEC 62443-4-2 NOTE Harmonized as EN IEC 62443-4-2

IEC 62443-2-4 ®
Edition 1.0 2015-06
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Security for industrial automation and control systems –

Part 2-4: Security program requirements for IACS service providers

Sécurité des automatismes industriels et des systèmes de commande –

Partie 2-4: Exigences de programme de sécurité pour les fournisseurs de

service IACS
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 25.040.40; 35.040; 35.100 ISBN 978-2-8322-2767-1

– 2 – IEC 62443-2-4:2015 © IEC 2015
CONTENTS
FOREWORD. 3
INTRODUCTION . 5
1 Scope . 6
2 Normative references . 7
3 Terms, definitions, abbreviated terms and acronyms . 7
3.1 Terms and definitions . 7
3.2 Abbreviations . 10
4 Concepts . 11
4.1 Use of IEC 62443-2-4 . 11
4.1.1 Use of IEC 62443-2-4 by IACS service providers . 11
4.1.2 Use of IEC 62443-2-4 by IACS asset owners . 12
4.1.3 Use of IEC 62443-2-4 during negotiations between IACS asset owners
and IACS service providers . 12
4.1.4 Profiles . 12
4.1.5 IACS integration service providers . 13
4.1.6 IACS maintenance service providers . 13
4.2 Maturity model . 14
5 Requirements overview . 15
5.1 Contents . 15
5.2 Sorting and filtering . 15
5.3 IEC 62264-1 hierarchy model . 16
5.4 Requirements table columns . 16
5.5 Column definitions . 16
5.5.1 Req ID column . 16
5.5.2 BR/RE column . 16
5.5.3 Functional area column . 17
5.5.4 Topic column . 18
5.5.5 Subtopic column . 19
5.5.6 Documentation column . 21
5.5.7 Requirement description. 21
5.5.8 Rationale . 21
Annex A (normative) Security requirements . 22
Bibliography . 85

Figure 1 – Parts of the IEC 62443 Series . 5
Figure 2 – Scope of service provider capabilities . 6

Table 1 – Maturity levels . 15
Table 2 – Columns . 16
Table 3 – Functional area column values . 18
Table 4 – Topic column values . 19
Table 5 – Subtopic column values . 20
Table A.1 – Security program requirements . 22

IEC 62443-2-4:2015 © IEC 2015 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
SECURITY FOR INDUSTRIAL AUTOMATION
AND CONTROL SYSTEMS –
Part 2-4: Security program requirements
for IACS service providers
FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote
international co-operation on all questions concerning standardization in the electrical and electronic fields. To
this end and in addition to other activities, IEC publishes International Standards, Technical Specifications,
Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC
Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested
in the subject dealt with may participate in this preparatory work. International, governmental and non-
governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely
with the International Organization for Standardization (ISO) in accordance with conditions determined by
agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
misinterpretation by any end user.
4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
transparently to the maximum extent possible in their national and regional publications. Any divergence
between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in
the latter.
5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity
assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any
services carried out by independent certification bodies.
6) All users should ensure that they have the latest edition of this publication.
7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and
members of its technical committees and IEC National Committees for any personal injury, property damage or
other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and
expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC
Publications.
8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of
patent rights. IEC shall not be held responsible for identifying any or all such patent rights.
International Standard IEC 62443-2-4 has been prepared by IEC technical committee 65:
Industrial-process measurement, control and automation.
This publication contains an attached file in the form of an Excel 97-2003 spreadsheet version
of Table A.1. This file is intended to be used as a complement and does not form an integral
part of the publication.
The text of this standard is based on the followi
...

SLOVENSKI STANDARD
01-november-2019
Zaščita industrijske avtomatizacije in nadzornih sistemov - 2-4. del: Zahteve za
program varnosti zaščite za ponudnike storitev IACS (IEC 62443-2-4:2015)
Security for industrial automation and control systems - Part 2-4: Security program
requirements for IACS service providers (IEC 62443-2-4:2015)
IT-Sicherheit für industrielle Automatisierungssysteme - Teil 2-4: Anforderungen an das
IT-Sicherheitsprogramm von Dienstleistern für industrielle Automatisierungssysteme
(IEC 62443-2-4:2015)
Sécurité des automatismes industriels et des systèmes de commande Partie 2-4:
Exigences de programme de sécurité pour les fournisseurs de service IACS (IEC 62443-
2-4:2015)
Ta slovenski standard je istoveten z: EN IEC 62443-2-4:2019
ICS:
25.040.01 Sistemi za avtomatizacijo v Industrial automation
industriji na splošno systems in general
35.030 Informacijska varnost IT Security
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN IEC 62443-2-4

NORME EUROPÉENNE
EUROPÄISCHE NORM
April 2019
ICS 25.040.40; 35.100.05
English Version
Security for industrial automation and control systems - Part 2-4:
Security program requirements for IACS service providers
(IEC 62443-2-4:2015)
Sécurité des automatismes industriels et des systèmes de IT-Sicherheit für industrielle Automatisierungssysteme - Teil
commande - Partie 2-4: Exigences de programme de 2-4: Anforderungen an das IT-Sicherheitsprogramm von
sécurité pour les fournisseurs de service IACS Dienstleistern für industrielle Automatisierungssysteme
(IEC 62443-2-4:2015) (IEC 62443-2-4:2015)
This European Standard was approved by CENELEC on 2019-04-03. CENELEC members are bound to comply with the CEN/CENELEC
Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC
Management Centre or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden,
Switzerland, Turkey and the United Kingdom.

European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2019 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 62443-2-4:2019 E

European foreword
This document (EN IEC 62443-2-4:2019) consists of the text of IEC 62443-2-4:2015 prepared by
IEC/TC 65 "Industrial-process measurement, control and automation".
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2020-04-03
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2022-04-03
document have to be withdrawn
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.

Endorsement notice
The text of the International Standard IEC 62443-2-4:2015 was approved by CENELEC as a
European Standard without any modification.
In the official version, for Bibliography, the following notes have to be added for the standards
indicated:
IEC 61508 (series) NOTE Harmonized as EN 61508 (series)
IEC 61511 (series) NOTE Harmonized as EN 61511 (series)
IEC 62264-1:2013 NOTE Harmonized as EN 62264-1:2013 (not modified)
IEC 62443-3-3:2013 NOTE Harmonized as EN IEC 62443-3-3:2019 (not modified)
IEC 62443-4-1 NOTE Harmonized as EN IEC 62443-4-1
IEC 62443-4-2 NOTE Harmonized as EN IEC 62443-4-2

IEC 62443-2-4 ®
Edition 1.0 2015-06
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Security for industrial automation and control systems –

Part 2-4: Security program requirements for IACS service providers

Sécurité des automatismes industriels et des systèmes de commande –

Partie 2-4: Exigences de programme de sécurité pour les fournisseurs de

service IACS
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 25.040.40; 35.040; 35.100 ISBN 978-2-8322-2767-1

– 2 – IEC 62443-2-4:2015 © IEC 2015
CONTENTS
FOREWORD. 3
INTRODUCTION . 5
1 Scope . 6
2 Normative references . 7
3 Terms, definitions, abbreviated terms and acronyms . 7
3.1 Terms and definitions . 7
3.2 Abbreviations . 10
4 Concepts . 11
4.1 Use of IEC 62443-2-4 . 11
4.1.1 Use of IEC 62443-2-4 by IACS service providers . 11
4.1.2 Use of IEC 62443-2-4 by IACS asset owners . 12
4.1.3 Use of IEC 62443-2-4 during negotiations between IACS asset owners
and IACS service providers . 12
4.1.4 Profiles . 12
4.1.5 IACS integration service providers . 13
4.1.6 IACS maintenance service providers . 13
4.2 Maturity model . 14
5 Requirements overview . 15
5.1 Contents . 15
5.2 Sorting and filtering . 15
5.3 IEC 62264-1 hierarchy model . 16
5.4 Requirements table columns . 16
5.5 Column definitions . 16
5.5.1 Req ID column . 16
5.5.2 BR/RE column . 16
5.5.3 Functional area column . 17
5.5.4 Topic column . 18
5.5.5 Subtopic column . 19
5.5.6 Documentation column . 21
5.5.7 Requirement description. 21
5.5.8 Rationale . 21
Annex A (normative) Security requirements . 22
Bibliography . 85

Figure 1 – Parts of the IEC 62443 Series . 5
Figure 2 – Scope of service provider capabilities . 6

Table 1 – Maturity levels . 15
Table 2 – Columns . 16
Table 3 – Functional area column values . 18
Table 4 – Topic column values . 19
Table 5 – Subtopic column values . 20
Table A.1 – Security program requirements . 22

IEC 62443-2-4:2015 © IEC 2015 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
SECURITY FOR INDUSTRIAL AUTOMATION
AND CONTROL SYSTEMS –
Part 2-4: Security program requirements
for IACS service providers
FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote
international co-operation on all questions concerning standardization in the electrical and electronic fields. To
this end and in addition to other activities, IEC publishes International Standards, Technical Specifications,
Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC
Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested
in the subject dealt with may participate in this preparatory work. International, governmental and non-
governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely
with the International Organization for Standardization (ISO) in accordance with conditions determined by
agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
misinterpretation by any end user.
4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
transparently to the maximum extent possible in their national and regional publications. Any divergence
between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in
the latter.
5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity
assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any
services carried out by independent certification bodies.
6) All users should ensure that they have the latest edition of this publication.
7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and
members of its technical committees and IEC National Committees for any personal injury, property damage or
other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and
expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC
Publications.
8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of
patent rights. IEC shall not be held responsible for identifying any or all such patent rights.
International Standard IEC 62443-2-4 has been prepared by IEC technical committee 65:
Industrial-process measurement, control and automation.
This publication contains an attached file in the form of an Excel 97-2003 spreadsheet version
of Table A.1. This file is intended to be used as a complement and does not form an integral
part of the publication.
The text of this standard is based on the followi
...