SIST EN ISO/IEC 15408-2:2024

Information security, cybersecurity and privacy protection - Evaluation criteria for IT security - Part 2: Security functional components (ISO/IEC 15408-2:2022)

This document defines the required structure and content of security functional components for the purpose of security evaluation. It includes a catalogue of functional components that will meet the common security functionality requirements of many IT products.

Informationssicherheit, Cybersicherheit und Schutz der Privatsphäre - Evaluationskriterien für IT-Sicherheit - Teil 2: Sicherheit funktionale Komponenten (ISO/IEC 15408-2:2022)

Sécurité de l'information, cybersécurité et protection de la vie privée - Critères d'évaluation pour la sécurité des technologies de l'information - Partie 2: Composants fonctionnels de sécurité (ISO/IEC 15408-2:2022)

Informacijska varnost, kibernetska varnost in varstvo zasebnosti - Merila za vrednotenje varnosti IT - 2. del: Funkcionalne varnostne komponente (ISO/IEC 15408-2:2022)

Ta dokument določa zahtevano strukturo in vsebino funkcionalnih varnostnih komponent za namen vrednotenja varnosti. Vključuje katalog funkcionalnih komponent, ki izpolnjujejo zahteve številnih izdelkov IT v zvezi s splošno varnostno funkcionalnostjo.

General Information

• Status: Published
• Public Enquiry End Date: 13-Oct-2023
• Publication Date: 11-Apr-2024
• ICS: 35.030 - IT Security
• Technical Committee: ITC - Information technology
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 20-Mar-2024
• Due Date: 25-May-2024
• Completion Date: 12-Apr-2024
• Ref Project: EN ISO/IEC 15408-2:2023 - Information security, cybersecurity and privacy protection - Evaluation criteria for IT security - Part 2: Security functional components (ISO/IEC 15408-2:2022)

Relations

• Replaces: SIST EN ISO/IEC 15408-2:2020 - Information technology - Security techniques - Evaluation criteria for IT security - Part 2: Security functional components (ISO/IEC 15408-2:2008)
• Effective Date: 01-May-2024
• Revised: oSIST prEN ISO/IEC 15408-2:2024 - Information security, cybersecurity and privacy protection - Evaluation criteria for IT security - Part 2: Security functional components (ISO/IEC DIS 15408-2:2024)
• Effective Date: 22-May-2024

Standards Content (Sample)

SLOVENSKI STANDARD
01-maj-2024
Nadomešča:
SIST EN ISO/IEC 15408-2:2020
Informacijska varnost, kibernetska varnost in varovanje zasebnosti - Merila za
vrednotenje varnosti IT - 2. del: Funkcionalne varnostne komponente (ISO/IEC
15408-2:2022)
Information security, cybersecurity and privacy protection - Evaluation criteria for IT
security - Part 2: Security functional components (ISO/IEC 15408-2:2022)
Informationssicherheit, Cybersicherheit und Schutz der Privatsphäre -
Evaluationskriterien für IT-Sicherheit - Teil 2: Sicherheit funktionale Komponenten
(ISO/IEC 15408-2:2022)
Sécurité de l'information, cybersécurité et protection de la vie privée - Critères
d'évaluation pour la sécurité des technologies de l'information - Partie 2: Composants
fonctionnels de sécurité (ISO/IEC 15408-2:2022)
Ta slovenski standard je istoveten z: EN ISO/IEC 15408-2:2023
ICS:
35.030 Informacijska varnost IT Security
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN ISO/IEC 15408-2

NORME EUROPÉENNE
EUROPÄISCHE NORM
December 2023
ICS 35.030
Supersedes EN ISO/IEC 15408-2:2020
English version
Information security, cybersecurity and privacy protection
- Evaluation criteria for IT security - Part 2: Security
functional components (ISO/IEC 15408-2:2022)
Sécurité de l'information, cybersécurité et protection Informationssicherheit, Cybersicherheit und Schutz
de la vie privée - Critères d'évaluation pour la sécurité der Privatsphäre - Evaluationskriterien für IT-
des technologies de l'information - Partie 2: Sicherheit - Teil 2: Sicherheit funktionale
Composants fonctionnels de sécurité (ISO/IEC 15408- Komponenten (ISO/IEC 15408-2:2022)
2:2022)
This European Standard was approved by CEN on 20 November 2023.

CEN and 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 CEN and 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 CEN and CENELEC member into its own language and notified to the CEN-CENELEC
Management Centre has the same status as the official versions.

CEN and CENELEC members are the national standards bodies and national electrotechnical committees of Austria, Belgium,
Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy,
Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia,
Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and United Kingdom.

CEN-CENELEC Management Centre:
Rue de la Science 23, B-1040 Brussels
© 2023 CEN/CENELEC All rights of exploitation in any form and by any means
Ref. No. EN ISO/IEC 15408-2:2023 E
reserved worldwide for CEN national Members and for
CENELEC Members.
Contents Page
European foreword . 3

European foreword
The text of ISO/IEC 15408-2:2022 has been prepared by Technical Committee ISO/IEC JTC 1
"Information technology” of the International Organization for Standardization (ISO) and has been
taken over as EN ISO/IEC 15408-2:2023 by Technical Committee CEN-CENELEC/ JTC 13 “Cybersecurity
and Data Protection” the secretariat of which is held by DIN.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by June 2024, and conflicting national standards shall be
withdrawn at the latest by June 2024.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN-CENELEC shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN ISO/IEC 15408-2:2020.
Any feedback and questions on this document should be directed to the users’ national standards body.
A complete listing of these bodies can be found on the CEN and CENELEC websites.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland,
Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of
North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and the
United Kingdom.
Endorsement notice
The text of ISO/IEC 15408-2:2022 has been approved by CEN-CENELEC as EN ISO/IEC 15408-2:2023
without any modification.
INTERNATIONAL ISO/IEC
STANDARD 15408-2
Fourth edition
2022-08
Information security, cybersecurity
and privacy protection — Evaluation
criteria for IT security —
Part 2:
Security functional components
Sécurité de l'information, cybersécurité et protection de la vie
privée — Critères d'évaluation pour la sécurité des technologies de
l'information —
Partie 2: Composants fonctionnels de sécurité
Reference number
ISO/IEC 15408-2:2022(E)
© ISO/IEC 2022
ISO/IEC 15408-2:2022(E)
© ISO/IEC 2022
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: [phone]
Email: [e-mail]
Website: www.iso.org
Published in Switzerland
ii
© ISO/IEC 2022 – All rights reserved

ISO/IEC 15408-2:2022(E)
Contents Page
Foreword . xv
Introduction . xvii
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Abbreviated terms . 3
5 Overview . 4
5.1 General . 4
5.2 Organization of this document . . 4
6 Functional requirements paradigm . .5
7 Security functional components .9
7.1 Overview . 9
7.1.1 General . 9
7.1.2 Class structure . 9
7.1.3 Family structure . 10
7.1.4 Component structure . 11
7.2 Component catalogue .13
8 Class FAU: Security audit .14
8.1 Class description . 14
8.2 Security audit automatic response (FAU_ARP) . 15
8.2.1 Family behaviour .15
8.2.2 Components leveling and description . 15
8.2.3 Management of FAU_ARP.1 . 15
8.2.4 Audit of FAU_ARP.1 . 15
8.2.5 FAU_ARP.1 Security alarms . 15
8.3 Security audit data generation (FAU_GEN) . 15
8.3.1 Family behaviour . 15
8.3.2 Components leveling and description . 15
8.3.3 Management of FAU_GEN.1, FAU_GEN.2 . 16
8.3.4 Audit of FAU_GEN.1, FAU_GEN.2. 16
8.3.5 FAU_GEN.1 Audit data generation . 16
8.3.6 FAU_GEN.2 User identity association . 16
8.4 Security audit analysis (FAU_SAA) . 17
8.4.1 Family behaviour . 17
8.4.2 Components leveling and description . 17
8.4.3 Management of FAU_SAA.1 . 17
8.4.4 Management of FAU_SAA.2 . 18
8.4.5 Management of FAU_SAA.3 . 18
8.4.6 Management of FAU_SAA.4 . 18
8.4.7 Audit of FAU_SAA.1, FAU_SAA.2, FAU_SAA.3, FAU_SAA.4 . 18
8.4.8 FAU_SAA.1 Potential violation analysis . 18
8.4.9 FAU_SAA.2 Profile based anomaly detection . 18
8.4.10 FAU_SAA.3 Simple attack heuristics . 19
8.4.11 FAU_SAA.4 Complex attack heuristics . 19
8.5 Security audit review (FAU_SAR) . 20
8.5.1 Family behaviour .20
8.5.2 Components leveling and description . 20
8.5.3 Management of FAU_SAR.1 . 20
8.5.4 Management of FAU_SAR.2, FAU_SAR.3 . 20
8.5.5 Audit of FAU_SAR.1 . .20
8.5.6 Audit of FAU_SAR.2 . 21
iii
© ISO/IEC 2022 – All rights reserved

ISO/IEC 15408-2:2022(E)
8.5.7 Audit of FAU_SAR.3 . 21
8.5.8 FAU_SAR.1 Audit review . 21
8.5.9 FAU_SAR.2 Restricted audit review . 21
8.5.10 FAU_SAR.3 Selectable audit review . 21
8.6 Security audit event selection (FAU_SEL) . 22
8.6.1 Family behaviour .22
8.6.2 Components leveling and description . 22
8.6.3 Management of FAU_SEL.1 . 22
8.6.4 Audit of FAU_SEL.1.22
8.6.5 FAU_SEL.1 Selective audit . 22
8.7 Security audit data storage (FAU_STG) . 22
8.7.1 Family behaviour .22
8.7.2 Components leveling and description . 23
8.7.3 Management of FAU_STG.1 . 23
8.7.4 Management of FAU_STG.2 . 23
8.7.5 Management of FAU_STG.3 . 23
8.7.6 Management of FAU_STG.4 . 23
8.7.7 Management of FAU_STG.5 . 23
8.7.8 Audit of FAU_STG.1 . 24
8.7.9 Audit of FAU_STG.2, FAU_STG.3 . 24
8.7.10 Audit of FAU_STG.4 . 24
8.7.11 Audit of FAU_STG.5 . 24
8.7.12 FAU_STG.1 Audit data storage location . 24
8.7.13 FAU_STG.2 Protected audit data storage . 24
8.7.14 FAU_STG.3 Guarantees of audit data availability . 25
8.7.15 FAU_STG.4 Action in case of possible audit data loss . 25
8.7.16 FAU_STG.5 Prevention of audit data loss . 25
9 Class FCO: Communication .25
9.1 Class description .25
9.2 Non-repudiation of origin (FCO_NRO) . 26
9.2.1 Family behaviour .26
9.2.2 Components leveling and description . 26
9.2.3 Management of FCO_NRO.1, FCO_NRO.2 . 26
9.2.4 Audit of FCO_NRO.1 .26
9.2.5 Audit of FCO_NRO.2 . 27
9.2.6 FCO_NRO.1 Selective proof of origin . 27
9.2.7 FCO_NRO.2 Enforced proof of origin . 27
9.3 Non-repudiation of receipt (FCO_NRR) .28
9.3.1 Family behaviour .28
9.3.2 Components leveling and description .28
9.3.3 Management of FCO_NRR.1, FCO_NRR.2 .28
9.3.4 Audit of FCO_NRR.1.28
9.3.5 Audit of FCO_NRR.2 .28
9.3.6 FCO_NRR.1 Selective proof of receipt .29
9.3.7 FCO_NRR.2 Enforced proof of receipt .29
10 Class FCS: Cryptographic support .29
10.1 Class description .29
10.2 Cryptographic key management (FCS_CKM) .30
10.2.1 Family behaviour .30
10.2.2 Components leveling and description .30
10.2.3 Management of FCS_CKM.1, FCS_CKM.2, FCS_CKM.3, FCS_CKM.5, CKM.6 . 31
10.2.4 Audit of FCS_CKM.1, FCS_CKM.2, FCS_CKM.3, FCS_CKM.5, CKM.6 . 31
10.2.5 FCS_CKM.1 Cryptographic key generation . 31
10.2.6 FCS_CKM.2 Cryptographic key distribution . 32
10.2.7 FCS_CKM.3 Cryptographic key access . 32
10.2.8 FCS_CKM.4 Cryptographic key destruction . 32
10.2.9 FCS_CKM.5 Cryptographic key derivation . 33
iv
© ISO/IEC 2022 – All rights reserved

ISO/IEC 15408-2:2022(E)
10.2.10 FCS_CKM.6 Timing and event of cryptographic key destruction .33
10.3 Cryptographic operation (FCS_COP) . 33
10.3.1 Family behaviour .33
10.3.2 Components leveling and description . 33
10.3.3 Management of FCS_COP.1 .34
10.3.4 Audit of FCS_COP.1 .34
10.3.5 FCS_COP.1 Cryptographic operation .34
10.4 Random bit generation (FCS_RBG) .34
10.4.1 Family behaviour .34
10.4.2 Components leveling and description .34
10.4.3 Management of FCS_RBG.1, FCS_RBG.2, FCS_RBG.3, FCS_RBG.4, FCS_
RBG.5, FCS_RBG.6 . 35
10.4.4 Audit of FCS_RBG.1, FCS_RBG.2 . 35
10.4.5 Audit of FCS_RBG.3, FCS_RBG.4, FCS_RBG.5, FCS_RBG.6 . 35
10.4.6 FCS_RBG.1 Random bit generation (RBG) . 35
10.4.7 FCS_RBG.2 Random bit generation (external seeding) .36
10.4.8 FCS_RBG.3 Random bit generation (internal seeding – single source) .36
10.4.9 FCS_RBG.4 Random bit generation (internal seeding – multiple sources) . 37
10.4.10 FCS_RBG.5 Random bit generation (combining noise sources) . 37
10.4.11 FCS_RBG.6 Random bit generation service . 37
10.5 Generation of random numbers (FCS_RNG) . 37
10.5.1 Family behaviour . 37
10.5.2 Components leveling and description .38
10.5.3 Management of FCS_RNG.1 .38
10.5.4 Audit of FCS_RNG.1 .38
10.5.5 FCS_RNG.1 Random number generation .38
11 Class FDP: User data protection.38
11.1 Class description .38
11.2 Access control policy (FDP_ACC) .40
11.2.1 Family behaviour .40
11.2.2 Components leveling and description . 41
11.2.3 Management of FDP_ACC.1, FDP_ACC.2 . 41
11.2.4 Audit of FDP_ACC.1, FDP_ACC.2 . 41
11.2.5 FDP_ACC.1 Subset access control . 41
11.2.6 FDP_ACC.2 Complete access control . 41
11.3 Access control functions (FDP_ACF) . 42
11.3.1 Family behaviour . 42
11.3.2 Components leveling and description . 42
11.3.3 Management of FDP_ACF.1 . 42
11.3.4 Audit of FDP_ACF.1 . 42
11.3.5 FDP_ACF.1 Security attribute-based access control . 42
11.4 Data authentication (FDP_DAU) . 43
11.4.1 Family behaviour . 43
11.4.2 Components leveling and description . 43
11.4.3 Management of FDP_DAU.1, FDP_DAU.2 . 43
11.4.4 Audit of FDP_DAU.1 . 43
11.4.5 Audit of FDP_DAU.2 .44
11.4.6 FDP_DAU.1 Basic Data Authentication .44
11.4.7 FDP_DAU.2 Data Authentication with Identity of Guarantor .44
11.5 Export from the TOE (FDP_ETC) .44
11.5.1 Family behaviour .44
11.5.2 Components leveling and description . 45
11.5.3 Management of FDP_ETC.1 . 45
11.5.4 Management of FDP_ETC.2 . 45
11.5.5 Audit of FDP_ETC.1, FDP_ETC.2 . 45
11.5.6 FDP_ETC.1 Export of user data without security attributes . 45
11.5.7 FDP_ETC.2 Export of user data with security attributes . 45
11.6 Information flow control policy (FDP_IFC) .46
v
© ISO/IEC 2022 – All rights reserved

ISO/IEC 15408-2:2022(E)
11.6.1 Family behaviour .46
11.6.2 Components leveling and description .46
11.6.3 Management of FDP_IFC.1, FDP_IFC.2 . 47
11.6.4 Audit of FDP_IFC.1, FDP_IFC.2 . 47
11.6.5 FDP_IFC.1 Subset information flow control. 47
11.6.6 FDP_IFC.2 Complete information flow control . 47
11.7 Information flow control functions (FDP_IFF) . 47
11.7.1 Family behaviour . 47
11.7.2 Components leveling and description .48
11.7.3 Management of FDP_IFF.1, FDP_IFF.2 .48
11.7.4 Management of FDP_IFF.3, FDP_IFF.4, FDP_IFF.5 .48
11.7.5 Management of FDP_IFF.6 .49
11.7.6 Audit of FDP_IFF.1, FDP_IFF.2, FDP_IFF.5 .49
11.7.7 Audit of FDP_IFF.3, FDP_IFF.4, FDP_IFF.6 .49
11.7.8 FDP_IFF.1 Simple security attributes .49
11.7.9 FDP_IFF.2 Hierarchical security attributes .50
11.7.10 FDP_IFF.3 Limited illicit information flows. 51
11.7.11 FDP_IFF.4 Partial elimination of illicit information flows . 51
11.7.12 FDP_IFF.5 No illicit information flows . 51
11.7.13 FDP_IFF.6 Illicit information flow monitoring . 51
11.8 Information Retention Control (FDP_IRC) . 52
11.8.1 Family behaviour . 52
11.8.2 Components leveling and description . 52
11.8.3 Management of FDP_IRC.1 . . 53
11.8.4 Audit of FDP_IRC.1 .53
11.8.5 FDP_IRC.1 Information retention control . 53
11.9 Import from outside of the TOE (FDP_ITC) . 53
11.9.1 Family behaviour . 53
11.9.2 Components leveling and description . 53
11.9.3 Management of FDP_ITC.1, FDP_ITC.2 .54
11.9.4 Audit of FDP_ITC.1, FDP_ITC.2 .54
11.9.5 FDP_ITC.1 Import of user data without security attributes .54
11.9.6 FDP_ITC.2 Import of user data with security attributes .54
11.10 Internal TOE transfer (FDP_ITT) . 55
11.10.1 Family behaviour .55
11.10.2 Components leveling and description . 55
11.10.3 Management of FDP_ITT.1, FDP_ITT.2 . 55
11.10.4 Management of FDP_ITT.3, FDP_ITT.4 .56
11.10.5 Audit of FDP_ITT.1, FDP_ITT.2 .56
11.10.6 Audit of FDP_ITT.3, FDP_ITT.4 .56
11.10.7 FDP_ITT.1 Basic internal transfer protection .56
11.10.8 FDP_ITT.2 Transmission separation by attribute .56
11.10.9 FDP_ITT.3 Integrity monitoring . 57
11.10.10 .
FDP_ITT.4 Attribute-based integrity monitoring . 57
11.11 Residual information protection (FDP_RIP) . 57
11.11.1 Family behaviour . 57
11.11.2 Components leveling and description .58
11.11.3 Management of FDP_RIP.1, FDP_RIP.2 .58
11.11.4 Audit of FDP_RIP.1, FDP_RIP.2 .58
11.11.5 FDP_RIP.1 Subset residual information protection .58
11.11.6 FDP_RIP.2 Full residual information protection .58
11.12 Rollback (FDP_ROL) . 59
11.12.1 Family behaviour . 59
11.12.2 Components leveling and description . 59
11.12.3 Management of FDP_ROL.1, FDP_ROL.2 . 59
11.12.4 Audit of FDP_ROL.1, FDP_ROL.2 . 59
11.12.5 FDP_ROL.1 Basic rollback . 59
vi
© ISO/IEC 2022 – All rights reserved

ISO/IEC 15408-2:2022(E)
11.12.6 FDP_ROL.2 Advanced rollback .60
11.13 Stored data confidentiality (FDP_SDC) .60
11.13.1 Family behaviour .60
11.13.2 Compon
...

SLOVENSKI STANDARD
01-maj-2024
Nadomešča:
SIST EN ISO/IEC 15408-2:2020
Informacijska varnost, kibernetska varnost in varstvo zasebnosti - Merila za
vrednotenje varnosti IT - 2. del: Funkcionalne varnostne komponente (ISO/IEC
15408-2:2022)
Information security, cybersecurity and privacy protection - Evaluation criteria for IT
security - Part 2: Security functional components (ISO/IEC 15408-2:2022)
Informationssicherheit, Cybersicherheit und Schutz der Privatsphäre -
Evaluationskriterien für IT-Sicherheit - Teil 2: Sicherheit funktionale Komponenten
(ISO/IEC 15408-2:2022)
Sécurité de l'information, cybersécurité et protection de la vie privée - Critères
d'évaluation pour la sécurité des technologies de l'information - Partie 2: Composants
fonctionnels de sécurité (ISO/IEC 15408-2:2022)
Ta slovenski standard je istoveten z: EN ISO/IEC 15408-2:2023
ICS:
35.030 Informacijska varnost IT Security
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN ISO/IEC 15408-2

NORME EUROPÉENNE
EUROPÄISCHE NORM
December 2023
ICS 35.030
Supersedes EN ISO/IEC 15408-2:2020
English version
Information security, cybersecurity and privacy protection
- Evaluation criteria for IT security - Part 2: Security
functional components (ISO/IEC 15408-2:2022)
Sécurité de l'information, cybersécurité et protection Informationssicherheit, Cybersicherheit und Schutz
de la vie privée - Critères d'évaluation pour la sécurité der Privatsphäre - Evaluationskriterien für IT-
des technologies de l'information - Partie 2: Sicherheit - Teil 2: Sicherheit funktionale
Composants fonctionnels de sécurité (ISO/IEC 15408- Komponenten (ISO/IEC 15408-2:2022)
2:2022)
This European Standard was approved by CEN on 20 November 2023.

CEN and 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 CEN and 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 CEN and CENELEC member into its own language and notified to the CEN-CENELEC
Management Centre has the same status as the official versions.

CEN and CENELEC members are the national standards bodies and national electrotechnical committees of Austria, Belgium,
Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy,
Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia,
Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and United Kingdom.

CEN-CENELEC Management Centre:
Rue de la Science 23, B-1040 Brussels
© 2023 CEN/CENELEC All rights of exploitation in any form and by any means
Ref. No. EN ISO/IEC 15408-2:2023 E
reserved worldwide for CEN national Members and for
CENELEC Members.
Contents Page
European foreword . 3

European foreword
The text of ISO/IEC 15408-2:2022 has been prepared by Technical Committee ISO/IEC JTC 1
"Information technology” of the International Organization for Standardization (ISO) and has been
taken over as EN ISO/IEC 15408-2:2023 by Technical Committee CEN-CENELEC/ JTC 13 “Cybersecurity
and Data Protection” the secretariat of which is held by DIN.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by June 2024, and conflicting national standards shall be
withdrawn at the latest by June 2024.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN-CENELEC shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN ISO/IEC 15408-2:2020.
Any feedback and questions on this document should be directed to the users’ national standards body.
A complete listing of these bodies can be found on the CEN and CENELEC websites.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland,
Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of
North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and the
United Kingdom.
Endorsement notice
The text of ISO/IEC 15408-2:2022 has been approved by CEN-CENELEC as EN ISO/IEC 15408-2:2023
without any modification.
INTERNATIONAL ISO/IEC
STANDARD 15408-2
Fourth edition
2022-08
Information security, cybersecurity
and privacy protection — Evaluation
criteria for IT security —
Part 2:
Security functional components
Sécurité de l'information, cybersécurité et protection de la vie
privée — Critères d'évaluation pour la sécurité des technologies de
l'information —
Partie 2: Composants fonctionnels de sécurité
Reference number
ISO/IEC 15408-2:2022(E)
© ISO/IEC 2022
ISO/IEC 15408-2:2022(E)
© ISO/IEC 2022
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
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Phone: [phone]
Email: [e-mail]
Website: www.iso.org
Published in Switzerland
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ISO/IEC 15408-2:2022(E)
Contents Page
Foreword . xv
Introduction . xvii
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Abbreviated terms . 3
5 Overview . 4
5.1 General . 4
5.2 Organization of this document . . 4
6 Functional requirements paradigm . .5
7 Security functional components .9
7.1 Overview . 9
7.1.1 General . 9
7.1.2 Class structure . 9
7.1.3 Family structure . 10
7.1.4 Component structure . 11
7.2 Component catalogue .13
8 Class FAU: Security audit .14
8.1 Class description . 14
8.2 Security audit automatic response (FAU_ARP) . 15
8.2.1 Family behaviour .15
8.2.2 Components leveling and description . 15
8.2.3 Management of FAU_ARP.1 . 15
8.2.4 Audit of FAU_ARP.1 . 15
8.2.5 FAU_ARP.1 Security alarms . 15
8.3 Security audit data generation (FAU_GEN) . 15
8.3.1 Family behaviour . 15
8.3.2 Components leveling and description . 15
8.3.3 Management of FAU_GEN.1, FAU_GEN.2 . 16
8.3.4 Audit of FAU_GEN.1, FAU_GEN.2. 16
8.3.5 FAU_GEN.1 Audit data generation . 16
8.3.6 FAU_GEN.2 User identity association . 16
8.4 Security audit analysis (FAU_SAA) . 17
8.4.1 Family behaviour . 17
8.4.2 Components leveling and description . 17
8.4.3 Management of FAU_SAA.1 . 17
8.4.4 Management of FAU_SAA.2 . 18
8.4.5 Management of FAU_SAA.3 . 18
8.4.6 Management of FAU_SAA.4 . 18
8.4.7 Audit of FAU_SAA.1, FAU_SAA.2, FAU_SAA.3, FAU_SAA.4 . 18
8.4.8 FAU_SAA.1 Potential violation analysis . 18
8.4.9 FAU_SAA.2 Profile based anomaly detection . 18
8.4.10 FAU_SAA.3 Simple attack heuristics . 19
8.4.11 FAU_SAA.4 Complex attack heuristics . 19
8.5 Security audit review (FAU_SAR) . 20
8.5.1 Family behaviour .20
8.5.2 Components leveling and description . 20
8.5.3 Management of FAU_SAR.1 . 20
8.5.4 Management of FAU_SAR.2, FAU_SAR.3 . 20
8.5.5 Audit of FAU_SAR.1 . .20
8.5.6 Audit of FAU_SAR.2 . 21
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ISO/IEC 15408-2:2022(E)
8.5.7 Audit of FAU_SAR.3 . 21
8.5.8 FAU_SAR.1 Audit review . 21
8.5.9 FAU_SAR.2 Restricted audit review . 21
8.5.10 FAU_SAR.3 Selectable audit review . 21
8.6 Security audit event selection (FAU_SEL) . 22
8.6.1 Family behaviour .22
8.6.2 Components leveling and description . 22
8.6.3 Management of FAU_SEL.1 . 22
8.6.4 Audit of FAU_SEL.1.22
8.6.5 FAU_SEL.1 Selective audit . 22
8.7 Security audit data storage (FAU_STG) . 22
8.7.1 Family behaviour .22
8.7.2 Components leveling and description . 23
8.7.3 Management of FAU_STG.1 . 23
8.7.4 Management of FAU_STG.2 . 23
8.7.5 Management of FAU_STG.3 . 23
8.7.6 Management of FAU_STG.4 . 23
8.7.7 Management of FAU_STG.5 . 23
8.7.8 Audit of FAU_STG.1 . 24
8.7.9 Audit of FAU_STG.2, FAU_STG.3 . 24
8.7.10 Audit of FAU_STG.4 . 24
8.7.11 Audit of FAU_STG.5 . 24
8.7.12 FAU_STG.1 Audit data storage location . 24
8.7.13 FAU_STG.2 Protected audit data storage . 24
8.7.14 FAU_STG.3 Guarantees of audit data availability . 25
8.7.15 FAU_STG.4 Action in case of possible audit data loss . 25
8.7.16 FAU_STG.5 Prevention of audit data loss . 25
9 Class FCO: Communication .25
9.1 Class description .25
9.2 Non-repudiation of origin (FCO_NRO) . 26
9.2.1 Family behaviour .26
9.2.2 Components leveling and description . 26
9.2.3 Management of FCO_NRO.1, FCO_NRO.2 . 26
9.2.4 Audit of FCO_NRO.1 .26
9.2.5 Audit of FCO_NRO.2 . 27
9.2.6 FCO_NRO.1 Selective proof of origin . 27
9.2.7 FCO_NRO.2 Enforced proof of origin . 27
9.3 Non-repudiation of receipt (FCO_NRR) .28
9.3.1 Family behaviour .28
9.3.2 Components leveling and description .28
9.3.3 Management of FCO_NRR.1, FCO_NRR.2 .28
9.3.4 Audit of FCO_NRR.1.28
9.3.5 Audit of FCO_NRR.2 .28
9.3.6 FCO_NRR.1 Selective proof of receipt .29
9.3.7 FCO_NRR.2 Enforced proof of receipt .29
10 Class FCS: Cryptographic support .29
10.1 Class description .29
10.2 Cryptographic key management (FCS_CKM) .30
10.2.1 Family behaviour .30
10.2.2 Components leveling and description .30
10.2.3 Management of FCS_CKM.1, FCS_CKM.2, FCS_CKM.3, FCS_CKM.5, CKM.6 . 31
10.2.4 Audit of FCS_CKM.1, FCS_CKM.2, FCS_CKM.3, FCS_CKM.5, CKM.6 . 31
10.2.5 FCS_CKM.1 Cryptographic key generation . 31
10.2.6 FCS_CKM.2 Cryptographic key distribution . 32
10.2.7 FCS_CKM.3 Cryptographic key access . 32
10.2.8 FCS_CKM.4 Cryptographic key destruction . 32
10.2.9 FCS_CKM.5 Cryptographic key derivation . 33
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10.2.10 FCS_CKM.6 Timing and event of cryptographic key destruction .33
10.3 Cryptographic operation (FCS_COP) . 33
10.3.1 Family behaviour .33
10.3.2 Components leveling and description . 33
10.3.3 Management of FCS_COP.1 .34
10.3.4 Audit of FCS_COP.1 .34
10.3.5 FCS_COP.1 Cryptographic operation .34
10.4 Random bit generation (FCS_RBG) .34
10.4.1 Family behaviour .34
10.4.2 Components leveling and description .34
10.4.3 Management of FCS_RBG.1, FCS_RBG.2, FCS_RBG.3, FCS_RBG.4, FCS_
RBG.5, FCS_RBG.6 . 35
10.4.4 Audit of FCS_RBG.1, FCS_RBG.2 . 35
10.4.5 Audit of FCS_RBG.3, FCS_RBG.4, FCS_RBG.5, FCS_RBG.6 . 35
10.4.6 FCS_RBG.1 Random bit generation (RBG) . 35
10.4.7 FCS_RBG.2 Random bit generation (external seeding) .36
10.4.8 FCS_RBG.3 Random bit generation (internal seeding – single source) .36
10.4.9 FCS_RBG.4 Random bit generation (internal seeding – multiple sources) . 37
10.4.10 FCS_RBG.5 Random bit generation (combining noise sources) . 37
10.4.11 FCS_RBG.6 Random bit generation service . 37
10.5 Generation of random numbers (FCS_RNG) . 37
10.5.1 Family behaviour . 37
10.5.2 Components leveling and description .38
10.5.3 Management of FCS_RNG.1 .38
10.5.4 Audit of FCS_RNG.1 .38
10.5.5 FCS_RNG.1 Random number generation .38
11 Class FDP: User data protection.38
11.1 Class description .38
11.2 Access control policy (FDP_ACC) .40
11.2.1 Family behaviour .40
11.2.2 Components leveling and description . 41
11.2.3 Management of FDP_ACC.1, FDP_ACC.2 . 41
11.2.4 Audit of FDP_ACC.1, FDP_ACC.2 . 41
11.2.5 FDP_ACC.1 Subset access control . 41
11.2.6 FDP_ACC.2 Complete access control . 41
11.3 Access control functions (FDP_ACF) . 42
11.3.1 Family behaviour . 42
11.3.2 Components leveling and description . 42
11.3.3 Management of FDP_ACF.1 . 42
11.3.4 Audit of FDP_ACF.1 . 42
11.3.5 FDP_ACF.1 Security attribute-based access control . 42
11.4 Data authentication (FDP_DAU) . 43
11.4.1 Family behaviour . 43
11.4.2 Components leveling and description . 43
11.4.3 Management of FDP_DAU.1, FDP_DAU.2 . 43
11.4.4 Audit of FDP_DAU.1 . 43
11.4.5 Audit of FDP_DAU.2 .44
11.4.6 FDP_DAU.1 Basic Data Authentication .44
11.4.7 FDP_DAU.2 Data Authentication with Identity of Guarantor .44
11.5 Export from the TOE (FDP_ETC) .44
11.5.1 Family behaviour .44
11.5.2 Components leveling and description . 45
11.5.3 Management of FDP_ETC.1 . 45
11.5.4 Management of FDP_ETC.2 . 45
11.5.5 Audit of FDP_ETC.1, FDP_ETC.2 . 45
11.5.6 FDP_ETC.1 Export of user data without security attributes . 45
11.5.7 FDP_ETC.2 Export of user data with security attributes . 45
11.6 Information flow control policy (FDP_IFC) .46
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11.6.1 Family behaviour .46
11.6.2 Components leveling and description .46
11.6.3 Management of FDP_IFC.1, FDP_IFC.2 . 47
11.6.4 Audit of FDP_IFC.1, FDP_IFC.2 . 47
11.6.5 FDP_IFC.1 Subset information flow control. 47
11.6.6 FDP_IFC.2 Complete information flow control . 47
11.7 Information flow control functions (FDP_IFF) . 47
11.7.1 Family behaviour . 47
11.7.2 Components leveling and description .48
11.7.3 Management of FDP_IFF.1, FDP_IFF.2 .48
11.7.4 Management of FDP_IFF.3, FDP_IFF.4, FDP_IFF.5 .48
11.7.5 Management of FDP_IFF.6 .49
11.7.6 Audit of FDP_IFF.1, FDP_IFF.2, FDP_IFF.5 .49
11.7.7 Audit of FDP_IFF.3, FDP_IFF.4, FDP_IFF.6 .49
11.7.8 FDP_IFF.1 Simple security attributes .49
11.7.9 FDP_IFF.2 Hierarchical security attributes .50
11.7.10 FDP_IFF.3 Limited illicit information flows. 51
11.7.11 FDP_IFF.4 Partial elimination of illicit information flows . 51
11.7.12 FDP_IFF.5 No illicit information flows . 51
11.7.13 FDP_IFF.6 Illicit information flow monitoring . 51
11.8 Information Retention Control (FDP_IRC) . 52
11.8.1 Family behaviour . 52
11.8.2 Components leveling and description . 52
11.8.3 Management of FDP_IRC.1 . . 53
11.8.4 Audit of FDP_IRC.1 .53
11.8.5 FDP_IRC.1 Information retention control . 53
11.9 Import from outside of the TOE (FDP_ITC) . 53
11.9.1 Family behaviour . 53
11.9.2 Components leveling and description . 53
11.9.3 Management of FDP_ITC.1, FDP_ITC.2 .54
11.9.4 Audit of FDP_ITC.1, FDP_ITC.2 .54
11.9.5 FDP_ITC.1 Import of user data without security attributes .54
11.9.6 FDP_ITC.2 Import of user data with security attributes .54
11.10 Internal TOE transfer (FDP_ITT) . 55
11.10.1 Family behaviour .55
11.10.2 Components leveling and description . 55
11.10.3 Management of FDP_ITT.1, FDP_ITT.2 . 55
11.10.4 Management of FDP_ITT.3, FDP_ITT.4 .56
11.10.5 Audit of FDP_ITT.1, FDP_ITT.2 .56
11.10.6 Audit of FDP_ITT.3, FDP_ITT.4 .56
11.10.7 FDP_ITT.1 Basic internal transfer protection .56
11.10.8 FDP_ITT.2 Transmission separation by attribute .56
11.10.9 FDP_ITT.3 Integrity monitoring . 57
11.10.10 .
FDP_ITT.4 Attribute-based integrity monitoring . 57
11.11 Residual information protection (FDP_RIP) . 57
11.11.1 Family behaviour . 57
11.11.2 Components leveling and description .58
11.11.3 Management of FDP_RIP.1, FDP_RIP.2 .58
11.11.4 Audit of FDP_RIP.1, FDP_RIP.2 .58
11.11.5 FDP_RIP.1 Subset residual information protection .58
11.11.6 FDP_RIP.2 Full residual information protection .58
11.12 Rollback (FDP_ROL) . 59
11.12.1 Family behaviour . 59
11.12.2 Components leveling and description . 59
11.12.3 Management of FDP_ROL.1, FDP_ROL.2 . 59
11.12.4 Audit of FDP_ROL.1, FDP_ROL.2 . 59
11.12.5 FDP_ROL.1 Basic rollback . 59
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11.12.6 FDP_ROL.2 Advanced rollback .60
11.13 Stored data confidentiality (FDP_SDC) .60
11.13.1 Family behaviour .60
11.13.2 Componen
...