ETSI EN 304 622 V1.0.0 (2026-08)

• Abstract:

  DEN/CYBER-EUS-0010

• Status: Not Published
• Technical Committee: CYBER EUSR - European Union Standardization Request
• Current Stage: 7 - Dispatch to NSOs / TC
• Due Date: 31-Oct-2026

Draft ETSI EN 304 622 V1.0.0 (2026-08)

HARMONISED EUROPEAN STANDARD
Cyber Security (CYBER);
CRA;
Cybersecurity requirements for Security information and event
management (SIEM) systems
2 Draft ETSI EN 304 622 V1.0.0 (2026-08)

Reference
DEN/CYBER-EUS-0010
Keywords
CRA, Cybersecurity, SIEM
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ETSI
3 Draft ETSI EN 304 622 V1.0.0 (2026-08)
Contents
Intellectual Property Rights . 11
Foreword . 11
Modal verbs terminology . 12
Introduction . 12
1 Scope . 13
2 References . 13
2.1 Normative references . 13
2.2 Informative references . 13
3 Definition of terms, symbols and abbreviations . 14
3.1 Terms . 14
3.2 Symbols . 15
3.3 Abbreviations . 15
4 Product context . 15
4.0 Introduction . 15
4.1 Product Functions . 16
4.2 Product Architecture. 16
4.3 Operational Environment . 16
4.3.1 General description . 16
4.3.2 Physical/Hardware environment . 17
4.3.3 Logical/Software environment. 17
4.3.4 Connectivity aspects . 17
4.4 Distribution of Security Functions . 17
4.4.1 General . 17
4.4.2 Security functions provided by the product . 17
4.4.3 Security functions provided to the product . 18
4.5 Users . 18
4.6 Use Cases . 18
4.6.1 Overview . 18
4.6.2 Guidance . 18
4.6.3 UC-1-RESEARCH: Research SIEM . 18
4.6.4 UC-2-HOME: Home SIEM . 19
4.6.5 UC-3-FLEET: Fleet monitoring . 19
4.6.6 UC-4-IOT: IoT monitoring . 19
5 Technical requirements for products . 20
5.1 Introduction . 20
5.1.1 Applicability of the requirements . 20
5.1.2 Applicability of Annex K . 20
5.1.3 Applicability of Annex R . 20
5.2 Appropriate level of cybersecurity . 20
5.2.1 Overview . 20
5.2.2 REQ-ALC-01 . 20
5.2.2.1 Requirement . 20
5.2.2.2 Applicability. 20
5.2.3 REQ-ALC-02 . 21
5.2.3.1 Requirement . 21
5.2.3.2 Applicability. 21
5.2.4 Mapping of requirements to use cases . 21
5.3 No known exploitable vulnerabilities . 21
5.3.1 Overview . 21
5.3.2 REQ-KEV-01 . 21
5.3.2.1 Requirement . 21
5.3.2.2 Applicability. 21
5.3.2.3 Use-case applicability . 21
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4 Draft ETSI EN 304 622 V1.0.0 (2026-08)
5.3.3 Mapping of requirements to use cases . 22
5.4 Secure by default configuration . 22
5.4.1 Overview . 22
5.4.2 Requirements . 22
5.5 Security updates . 22
5.5.1 Overview . 22
5.5.2 REQ-SU-01. 22
5.5.2.1 Requirement . 22
5.5.2.2 Applicability. 22
5.5.3 Mapping of requirements to use cases . 23
5.6 Authentication and access control . 23
5.6.1 Overview . 23
5.6.2 REQ-AAC-01 . 23
5.6.2.1 Requirement . 23
5.6.2.2 Applicability. 23
5.6.3 Mapping of requirements to use cases . 23
5.7 Confidentiality protection . 23
5.7.1 Overview . 23
5.7.2 REQ-CON-01 . 23
5.7.2.1 Requirement . 23
5.7.2.2 Applicability. 23
5.7.3 REQ-CON-02 . 24
5.7.3.1 Requirement . 24
5.7.3.2 Applicability. 24
5.7.4 REQ-CON-03 . 24
5.7.4.1 Requirement . 24
5.7.4.2 Applicability. 24
5.7.5 Mapping of requirements to use cases . 24
5.8 Integrity protection . 24
5.8.1 Overview . 24
5.8.2 REQ-INT-01 . 24
5.8.2.1 Requirement . 24
5.8.2.2 Applicability. 25
5.8.3 REQ-INT-02 . 25
5.8.3.1 Requirement . 25
5.8.3.2 Applicability. 25
5.8.4 REQ-INT-03 . 25
5.8.4.1 Requirement . 25
5.8.4.2 Applicability. 25
5.8.5 Mapping of requirements to use cases . 25
5.9 Data minimisation . 25
5.9.1 Overview . 25
5.9.2 REQ-DM-01 . 26
5.9.2.1 Requirement . 26
5.9.2.2 Applicability. 26
5.9.3 Mapping of requirements to use cases . 26
5.10 Availability protection . 26
5.10.1 Overview . 26
5.10.2 REQ-AP-01. 26
5.10.2.1 Requirement . 26
5.10.2.2 Applicability. 26
5.10.3 REQ-AP-02. 26
5.10.3.1 Requirement . 26
5.10.3.2 Applicability. 26
5.10.4 REQ-AP-03. 27
5.10.4.1 Requirement . 27
5.10.4.2 Applicability. 27
5.10.5 REQ-AP-04. 27
5.10.5.1 Requirement . 27
5.10.5.2 Applicability. 27
5.10.6 Mapping of requirements to use cases . 27
5.11 Non-interference . 27
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5 Draft ETSI EN 304 622 V1.0.0 (2026-08)
5.11.1 Overview . 27
5.11.2 REQ-NI-01 . 28
5.11.2.1 Requirement . 28
5.11.2.2 Applicability. 28
5.11.3 REQ-NI-02 . 28
5.11.3.1 Requirement . 28
5.11.3.2 Applicability. 28
5.11.4 Mapping of requirements to use cases . 28
5.12 Attack surface minimisation . 28
5.12.1 Overview . 28
5.12.2 REQ-ASM-01 . 28
5.12.2.1 Requirement . 28
5.12.2.2 Applicability. 28
5.12.3 Mapping of requirements to use cases . 29
5.13 Exploit mitigation . 29
5.13.1 Overview . 29
5.13.2 REQ-EM-01 . 29
5.13.2.1 Requirement . 29
5.13.2.2 Applicability. 29
5.13.3 Other requirements . 29
5.13.4 Mapping of requirements to use cases . 30
5.14 Monitoring . 30
5.14.1 Overview . 30
5.14.2 REQ-MON-01 . 30
5.14.2.1 Requirement . 30
5.14.2.2 Applicability. 30
5.14.3 REQ-MON-02 . 30
5.14.3.1 Requirement . 30
5.14.3.2 Applicability. 30
5.14.4 REQ-MON-03 . 30
5.14.4.1 Requirement . 30
5.14.4.2 Applicability. 30
5.14.5 Mapping of requirements to use cases . 31
5.15 Factory reset and data portability . 31
5.15.1 Overview . 31
5.15.2 REQ-DRT-01 . 31
5.15.2.1 Requirement . 31
5.15.2.2 Applicability. 31
5.15.3 REQ-DRT-02 . 31
5.15.3.1 Requirement . 31
5.15.3.2 Applicability. 31
5.15.4 Mapping of requirements to use cases . 32
6 Assessment criteria for compliance with technical requirements . 32
6.1 Introduction . 32
6.1.1 General . 32
6.1.2 Guidance for identifying interfaces or data processing . 33
6.2 Appropriate level of cybersecurity . 33
6.2.1 Overview . 33
6.2.2 REQ-ALC-01 . 33
6.2.2.1 Objective . 33
6.2.2.2 Preparation . 34
6.2.2.3 Activities . 34
6.2.2.4 Verdict . 34
6.2.2.5 Evidence . 34
6.2.2.6 Guidance . 35
6.2.3 REQ-ALC-02 . 35
6.2.3.1 Objective . 35
6.2.3.2 Preparation . 35
6.2.3.3 Activities . 35
6.2.3.4 Verdict . 36
6.2.3.5 Evidence . 36
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6 Draft ETSI EN 304 622 V1.0.0 (2026-08)
6.3 No known exploitable vulnerabilities . 36
6.3.1 Overview . 36
6.3.2 REQ-KEV-01 . 36
6.3.2.1 Objective . 36
6.3.2.2 Preparation . 36
6.3.2.3 Activities . 36
6.3.2.4 Verdict . 36
6.3.2.5 Evidence . 36
6.4 Secure by default configuration . 37
6.4.1 Overview . 37
6.5 Security updates . 37
6.5.1 Overview . 37
6.5.2 REQ-SU-01. 37
6.5.2.1 Objective . 37
6.5.2.2 Preparation . 37
6.5.2.3 Activities . 37
6.5.2.4 Verdict . 37
6.5.2.5 Evidence . 37
6.5.2.6 Guidance . 37
6.6 Authentication and access control . 38
6.6.1 Overview . 38
6.6.2 REQ-AAC-01 . 38
6.6.2.1 Objective . 38
6.6.2.2 Preparation . 38
6.6.2.3 Activities . 38
6.6.2.4 Verdict . 38
6.6.2.5 Evidence . 38
6.7 Confidentiality protection . 38
6.7.1 Overview . 38
6.7.2 REQ-CON-01 . 38
6.7.2.1 Objective . 38
6.7.2.2 Preparation . 38
6.7.2.3 Activities . 39
6.7.2.4 Verdict . 39
6.7.2.5 Evidence . 39
6.7.3 REQ-CON-02 . 39
6.7.3.1 Objective . 39
6.7.3.2 Preparation . 39
6.7.3.3 Activities . 39
6.7.3.4 Verdict . 39
6.7.3.5 Evidence . 39
6.7.3.6 Guidance . 39
6.7.4 REQ-CON-03 . 40
6.7.4.1 Objective . 40
6.7.4.2 Preparation . 40
6.7.4.3 Activities . 40
6.7.4.4 Verdict . 40
6.7.4.5 Evidence . 40
6.8 Integrity protection . 40
6.8.1 Overview . 40
6.8.2 REQ-INT-01 . 40
6.8.2.1 Objective . 40
6.8.2.2 Preparation . 40
6.8.2.3 Activities . 40
6.8.2.4 Verdict . 41
6.8.2.5 Evidence . 41
6.8.3 REQ-INT-02 . 41
6.8.3.1 Objective . 41
6.8.3.2 Preparation . 41
6.8.3.3 Activities . 41
6.8.3.4 Verdict . 41
6.8.3.5 Evidence . 41
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7 Draft ETSI EN 304 622 V1.0.0 (2026-08)
6.8.3.6 Guidance . 41
6.8.4 REQ-INT-03 . 42
6.8.4.1 Objective . 42
6.8.4.2 Preparation . 42
6.8.4.3 Activities . 42
6.8.4.4 Verdict . 42
6.8.4.5 Evidence . 42
6.9 Data minimisation . 42
6.9.1 Overview . 42
6.9.2 REQ-DM-01 . 42
6.9.2.1 Objective . 42
6.9.2.2 Preparation .
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