ETSI EN 304 633 V1.0.0 (2026-07)

SLOVENSKI STANDARD
01-september-2026
Kibernetska varnost (CYBER) - CRA - Zahteve za kibernetsko varnost za igrače,
povezane z internetom, ki jih zajema direktiva 2009/48/ES in imajo funkcije
socialne interakcije (npr. govorjenje ali snemanje) ali funkcije sledenja lokaciji
Cyber Security (CYBER) - CRA - Cybersecurity requirements for Internet connected toys
covered by Directive 2009/48/EC that have social interactive features (e.g. speaking or
filming) or that have location tracking features
Ta slovenski standard je istoveten z: ETSI EN 304 633 V1.0.0 (2026-07)
ICS:
35.030 Informacijska varnost IT Security
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

Draft ETSI EN 304 633 V1.0.0 (2026-07)

HARMONISED EUROPEAN STANDARD
Cyber Security (CYBER);
CRA;
Cybersecurity requirements for internet connected toys

2 Draft ETSI EN 304 633 V1.0.0 (2026-07)

Reference
DEN/CYBER-EUS-004
Keywords
CRA, cybersecurity
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ETSI
3 Draft ETSI EN 304 633 V1.0.0 (2026-07)
Contents
Intellectual Property Rights . 10
Foreword. 10
Modal verbs terminology . 11
Introduction . 11
1 Scope . 12
2 References . 12
2.1 Normative references . 12
2.2 Informative references . 12
3 Definition of terms, symbols and abbreviations . 13
3.1 Terms . 13
3.1.1 Architecture related terms . 13
3.1.2 Asset categories . 14
3.1.3 Communication types . 14
3.1.4 Data assets . 15
3.1.5 Data related terms . 16
3.1.6 Function assets . 17
3.1.7 Function related terms . 18
3.1.8 Interface . 22
3.1.9 Operational environments . 22
3.1.10 Users. 23
3.2 Symbols . 23
3.3 Abbreviations . 24
4 Product context . 26
4.1 Product functions . 26
4.1.1 Function assets . 26
4.1.2 Data assets . 26
4.2 Product architecture . 27
4.3 Operational environment . 28
4.3.1 General description . 28
4.3.2 Physical/Hardware environment . 28
4.3.3 Logical/Software environment . 28
4.3.4 Connectivity aspects . 28
4.4 Distribution of security functions . 29
4.5 Users . 29
4.6 Use cases . 29
5 Technical requirements for products . 29
5.1 Introduction - Applicability of the requirements . 29
5.2 Appropriate level of cybersecurity . 30
5.2.0 Introduction on appropriate level of cybersecurity requirements . 30
5.2.1 [USERNOT-NOSECFUC] User notifications on not available security functions . 30
5.2.2 [USERNOT-SECREL] Language and representation for security-related user notifications . 30
5.2.3 [GUI-SECCONF] Visual representation of security-related configuration via GUIs . 30
5.2.4 [BACKUP-TRANS] Data transfer mechanisms for loss sensitive data . 30
5.2.5 [BACKUP-AUTOTRANS] Automatic data transfer mechanisms for loss sensitive data . 30
5.2.6 [BACKUP-EXPORT] Data export mechanisms for loss sensitive data . 30
5.3 No known exploitable vulnerabilities . 31
5.3.0 Introduction on no known exploitable vulnerabilities . 31
5.3.1 [NKEV-MKAV] No known exploitable vulnerabilities . 31
5.3.2 [NKEV-INIT-UDP] Initial security update before or during first use . 31
5.4 Secure by default configuration . 31
5.4.0 Introduction on secure by default configuration. 31
5.4.1 [SDC-AUM-FH] Default configuration of authentication for functions whose use can cause harm . 31
5.4.2 [SDC-SUM-AUTO] Default configuration of automated security updates . 32
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4 Draft ETSI EN 304 633 V1.0.0 (2026-07)
5.4.3 [SDC-SUM-NOTIF] Default configuration of update notifications . 32
5.4.4 [SDC-FRM] Factory reset to restore the default state . 32
5.4.5 [SDC-PARCONT] Default configuration for parental control . 32
5.4.6 [SDC-MON-HANDLE] Handling of events by default . 33
5.4.7 [CRY-GENERAL] General requirements related to cryptography . 33
5.4.8 [CRY-CCK-PRE-LEN] Key size of preinstalled long term confidential cryptographic keys . 33
5.4.9 [CRY-CCK-GEN] Default key size of generated long term confidential cryptographic keys . 33
5.4.10 [CRY-PW-PRE-COM] Complexity of preinstalled passwords . 33
5.4.11 [CRY-PW-GEN-COM] Default complexity of generated passwords . 33
5.4.12 [CRY-PW-USR-COM] Recommended complexity of user chosen passwords . 34
5.5 Security updates . 34
5.5.0 Introduction on security updates . 34
5.5.1 [SU-SUPPORT] Secure software update mechanism . 34
5.5.2 [SU-PROVIDE] Secure software update mechanism for core components . 34
5.5.3 [SU-AUTO] Automated security updates . 34
5.5.4 [SU-DISABLE-AUTO] Option to disable automated security updates . 35
5.5.5 [SU-POSTPONE-AUTO] Option to postpone automated security updates. 35
5.5.6 [SU-NOTIF] Update notifications . 35
5.6 Authentication and access control . 35
5.6.0 Introduction on authentication and access control . 35
5.6.1 [ACM-FH] Access control for functions whose use can cause harm . 35
5.6.2 [PARCONT] Support of parental control. 36
5.6.3 [AUM-FH] Authentication for functions whose use can cause harm . 36
5.6.4 [AUTHZ-LP] Least privilege in authorisation policies . 37
5.6.5 [AUTHZ-R] Revocability of granted permissions . 37
5.6.6 [AUTHZ-PC] Authorisation policies for parental control. 37
5.7 Confidentiality protection . 37
5.7.0 Introduction on confidentiality protection . 37
5.7.1 [CONF-SSM] Confidentiality protecting persistent storage for confidential data . 38
5.7.2 [CONF-COM] Communication of confidential data . 38
5.8 Integrity protection . 39
5.8.0 Introduction on integrity protection . 39
5.8.1 [INT-SSM] Integrity protecting persistent storage for integrity relevant data . 39
5.8.2 [INT-COM] Communication of integrity relevant data . 39
5.8.3 [INT-SWPCK] Software package verification . 40
5.9 Data minimisation . 40
5.9.0 Introduction on data minimisation . 40
5.9.1 [DMIN-DJST] Minimise processed data. 40
5.10 Availability protection . 41
5.10.0 Introduction on availability protection . 41
5.10.1 [AVAI-TIME-RECO-POW] Restoration after loss of power . 41
5.10.2 [AVAI-TIME-NETW] Local operation . 41
5.10.3 [AVAI-TIME-RECO-NETW] Restoration after loss of network connection . 41
5.10.4 [AVAI-TIME-OUTA-NOT] Notify non-availability . 41
5.10.5 [AVAI-TIME-PREV-NOT] Notify upcoming limitation . 41
5.10.6 [AVAI-TIME-NET-PRIO] Network prioritisation . 42
5.10.7 [AVAI-TIME-RES-PRIO] Power resource prioritisation . 42
5.10.8 [AVAI-TIME-DOS-RATE] Incoming rate limiting . 42
5.10.9 [AVAI-SUM-SCHEDULE] Scheduling of updates . 42
5.11 Non-interference . 42
5.11.0 Introduction on non-interference . 42
5.11.1 [NOINF-AMP] Amplification control . 42
5.12 Attack surface minimisation . 43
5.12.0 Introduction on attack surface minimisation . 43
5.12.1 [LAS-INVAL] Validation of external data input . 43
5.12.2 [LAS-INSAN] Sanitisation of external data input . 43
5.12.3 [LAS-PHY-INF] Only necessary physical interfaces . 43
5.12.4 [LAS-LOGIC-INF] Only necessary logical interfaces active by default . 43
5.12.5 [LAS-APP] Only necessary apps by default . 43
5.12.6 [LAS-SBOOT] Secure boot . 43
5.13 Exploit mitigation . 44
5.13.0 Introduction on exploit mitigation . 44
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5 Draft ETSI EN 304 633 V1.0.0 (2026-07)
5.13.1 [PRIV-DATA-HIGH] Privileged access on impact class high data assets . 44
5.13.2 [PRIV-FUNC-HIGH] Privileged access on impact class high function assets . 44
5.14 Monitoring . 44
5.14.0 Introduction on monitoring . 44
5.14.1 [MON-LOW] Events to log for low risk internet connected toy . 44
5.14.2 [MON-MEDIUM] Events to log for medium risk internet connected toy . 45
5.14.3 [MON-HIGH] Events to log for high risk internet connected toy . 45
5.14.4 [MON-HANDLE] Handling of events . 45
5.14.5 [LOG-TIME] Timestamps for logs . 45
5.14.6 [LOG-TIME-HIGH] Real-time timestamps for logs . 46
5.14.7 [LOG-STORE-MEDIUM] Logfile persistence for medium risk internet connected toy . 46
5.14.8 [LOG-STORE-HIGH] Logfile persistence for high risk internet connected toy . 46
5.14.9 [LOG-CONFIG] Configuration of logging mechanisms . 46
5.15 Factory reset and data portability . 46
5.15.0 Introduction on factory reset and data portability . 46
5.15.1 [DLM-PERM] Permanent removal of user-related data . 47
6 Assessment criteria for compliance with technical requirements . 47
6.1 General . 47
6.2 Appropriate level of cybersecurity . 49
6.2.1 Assessment criteria for [USERNOT-NOSECFUC] . 49
6.2.2 Assessment criteria for [USERNOT-SECREL] . 49
6.2.3 Assessment criteria for [GUI-SECCONF] . 50
6.2.4 Assessment criteria for [BACKUP-TRANS] . 51
6.2.5 Assessment criteria for [BACKUP-AUTOTRANS] . 53
6.2.6 Assessment criteria for [BACKUP-EXPORT]. 54
6.3 No known exploitable vulnerabilities . 55
6.3.1 Assessment criteria for [NKEV-MKAV] . 55
6.3.2 Assessment criteria for [NKEV-INIT-UDP] . 56
6.4 Secure by default configuration . 58
6.4.1 Assessment criteria for [SDC-AUM-FH] . 58
6.4.2 Assessment criteria for [SDC-SUM-AUTO] . 59
6.4.3 Assessment criteria for [SDC-SUM-NOTIF] . 60
6.4.4 Assessment criteria for [SDC-FRM] . 61
6.4.5 Assessment criteria for [SDC-PARCONT] . 62
6.4.6 Assessment criteria for [SDC-MON-HANDLE] . 63
6.4.7 Assessment criteria for [CRY-GENERAL] . 64
6.4.8 Assessment criteria for [CRY-CCK-PRE-LEN] . 65
6.4.9 Assessment criteria for [CRY-CCK-GEN] . 65
6.4.10 Assessment criteria for [CRY-PW-PRE-COM] . 66
6.4.11 Assessment criteria for [CRY-PW-GEN-COM] . 67
6.4.12 Assessment criteria for [CRY-PW-USR-COM]. 68
6.5 Security updates . 70
6.5.1 Assessment criteria for [SU-SUPPORT]. 70
6.5.2 Assessment criteria for [SU-PROVIDE] . 71
6.5.3 Assessment criteria for [SU-AUTO] . 72
6.5.4 Assessment criteria for [SU-DISABLE-AUTO] . 73
6.5.5 Assessment criteria for [SU-POSTPONE-AUTO]. 74
6.5.6 Assessment criteria for [SU-NOTIF] . 75
6.6 Authentication and access control . 76
6.6.1 Assessment criteria for [ACM-FH] . 76
6.6.2 Assessment criteria for [PARCONT] . 78
6.6.3 Assessment criteria for [AUM-FH] . 79
6.6.4 Assessment criteria for [AUTHZ-LP] . 80
6.6.5 Assessment criteria for [AUTHZ-R] . 81
6.6.6 Assessment criteria for [AUTHZ-PC] . 82
6.7 Confidentiality protection . 82
6.7.1 Assessment criteria for [CONF-SSM] . 82
6.7.2 Assessment criteria for [CONF-COM] . 84
6.8 Integrity protection . 85
6.8.1 Assessment criteria for [INT-SSM] . 85
6.8.2 Assessment criteria for [INT-COM] . 87
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6 Draft ETSI EN 304 633 V1.0.0 (2026-07)
6.8.3 Assessment criteria for [INT-SWPCK] . 88
6.9 Data minimisation . 89
6.9.1 Assessment criteria for [DMIN-DJST] . 89
6.10 Availability protection . 90
6.10.1 Assessment criteria for [AVAI-TIME-RECO-POW] . 90
6.10.2 Assessment criteria for [AVAI-TIME-NETW] . 92
6.10.3 Assessment criteria for [AVAI-TIME-RECO-NETW] . 93
6.10.4 Assessment criteria for [AVAI-TIME-OUTA-NOT] . 95
6.10.5 Assessment criteria for [AVAI-TIME-PREV-NOT] . 96
6.10.6 Assessment criteria for [AVAI-TIME-NET-PRIO] . 98
6.10.7 Assessment criteria for [AVAI-TIME-RES-PRIO] . 99
6.10.8 Assessment criteria for [AVAI-TIME-DOS-RATE] . 100
6.10.9 Assessment criteria for [AVAI-SUM-SCHEDULE] . 101
6.11 Non-interference . 102
6.11.1 Assessment criteria for [NOINF-AMP] . 102
6.12 Attack surface minimisation . 103
6.12.1 Assessment criteria for [LAS-INVAL] . 103
6.12.2 Assessment criteria for [LAS-INSAN] . 105
6.12.3 Assessment criteria for [LAS-PHY-INF] . 106
6.12.4 Assessment criteria for [LAS-LOGIC-INF] . 106
6.12.5 Assessment criteria for [LAS-APP] . 107
6.12.6 Assessment criteria for [LAS-SBOOT]. 108
6.13 Exploit mitigation . 109
6.13.1 Assessment criteria for [PRIV-DATA-HIGH] . 109
6.13.2 Assessment criteria for [PRIV-FUNC-HIGH] . 111
6.14 Monitoring . 112
6.14.1 Assessment criteria for [MON-LOW] . 112
6.14.2 Assessment criteria for [MON-MEDIUM] . 113
6.14.3 Assessment criteria for [MON-HIGH] . 113
6.14.4 Assessment criteria for [MON-HANDLE] . 114
6.14.5 Assessment criteria for [LOG-TIME] . 116
6.14.6 Assessment criteria for [LOG-TIME-HIGH] . 117
6.14.7 Assessment criteria for [LOG-STORE-MEDIUM] . 118
6.14.8 Assessment criteria for [LOG-STORE-HIGH] . 119
6.14.9 Assessment criteria for [LOG-CONFIG] . 120
6.15 Factory reset and data portability . 121
6.15.1 Assessment criteria for [DLM-PERM] . 121
Annex A (informative): Relationship between the present document and the essential
cybersecurity requirements of EU Regulation (EU) 2024/2847 . 124
Annex B (informative): Security analysis. 128
B.1 General . 128
B.2 Assets . 128
B.3 Risk factors . 128
B.4 Assumptions . 128
B.5 Threats . 129
B.6 Relationship between the present document and the covered/not covered cybersecurity risks . 129
B.7 Guidance for determining impact classes . 132
B.7.1 General . 132
B.7.2 Confidential data . 132
B.7.3 Loss sensitive data . 133
B.7.4 Time sensitive function . 133
B.7.5 Integrity relevant data and integrity relevant function . 134
Annex C: Void . 135
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Annex D (normative): Relationship between specific data and functions assets covered by
the present document to impact classes for generic asset categories . 136
D.1 Data assets . 136
D.2 Function assets . 137
Annex E (normative): Protection measures . 139
E.1 Authentication mechanism strength . 139
E.1.1 [AUM-FH] Authentication for functions whose use can cause harm . 139
E.1.1.1 General . 139
E.1.1.2 [AUM-E-I-Basic] AUTH.Basic inherence based SFA . 139
E.1.1.3 [AUM-E-K-Basic] AUTH.Basic knowledge based SFA . 139
E.1.1.4 [AUM-E-I-Normal] AUTH.Normal inherence based SFA . 139
E.1.1.5 [AUM-E-K-Normal] AUTH.Normal knowledge based SFA . 139
E.1.1.6 [AUM-E-P-Normal] AUTH.Normal possession based SFA . 139
E.1.1.7 [AUM-E-MFA-Normal] AUTH.Normal MFA . 140
E.1.1.8 [AUM-E-I-Enhanced] AUTH.Enhanced inherence based SFA . 140
E.1.1.9 [AUM-E-K-Enhanced] AUTH.Enhanced knowledge based SFA . 140
E.1.1.10 [AUM-E-P-Enhanced] AUTH.Enhanced possession based SFA . 140
E.1.1.11 [AUM-E-MFA-Enhanced] AUTH.Enhanced MFA . 140
E.1.1.12 [AUM-E-I-Strong] AUTH.Strong inherence based SFA . 141
E.1.1.13 [AUM-E-P-Strong] AUTH.Strong possession based SFA . 141
E.1.1.14 [AUM-E-MFA-Strong] AUTH.Strong MFA . 141
E.1.1.15 [AUM-E-Replay] AUTH.Normal, AUTH.Enhanced and AUTH.Strong replay protection . 141
E.1.1.16 [AUM-E-PitM] AUTH.Normal, AUTH.Enhanced and AUTH.Strong person in the middle
protection . 142
E.1.2 Assessment for [AUM-FH] authentication mechanism strength . 142
E.1.2.1 General . 142
E.1.2.2 Assessment criteria for [AUM-E-I-Basic] . 142
E.1.2.3 Assessment criteria for [AUM-E-K-Basic] . 143
E.1.2.4 Assessment criteria for [AUM-E-I-Normal] . 144
E.1.2.5 Assessment criteria for [AUM-E-K-Normal] . 145
E.1.2.6 Assessment criteria for [AUM-E-P-Normal] . 145
E.1.2.7 Assessment criteria for [AUM-E-MFA-Normal] . 147
E.1.2.8 Assessment criteria for [AUM-E-I-Enhanced] . 148
E.1.2.9 Assessment criteria for [AUM-E-K-Enhanced] . 149
E.1.2.10 Assessment criteria for [AUM-E-P-Enhanced] . 150
E.1.2.11 Assessment criteria for [AUM-E-MFA-Enhanced] . 152
E.1.2.12 Assessment criteria for [AUM-E-I-Strong] . 153
E.1.2.13 Assessment criteria for [AUM-E-P-Strong] . 154
E.1.2.14 Assessment criteria for [AUM-E-MFA-Strong]. 155
E.1.2.15 Assessment criteria for [AUM-E-Replay] . 156
E.1.2.16 Assessment criteria for [AUM-E-PitM] . 157
E.2 Integrity protection strength . 158
E.2.1 [INT-SSM] Integrity protecting persistent storage for integrity relevant data . 158
E.2.1.1 General .
...