Table of Contents - X.1414 (06/2025) - Security requirements and framework of cross-chain service for distributed ledger technology systems

1	Scope
2	References
3	Definitions
	3.1	Terms defined elsewhere
	3.2	Terms defined in this Recommendation
4	Abbreviations and acronyms
5	Conventions
6	Overview
7	Security risks of DCCS
	7.1	General security risks
	7.2	Security risks of DCCS gateway
	7.3	Security risks of DCCS ACP
	7.4	Security risks of DCCS chain
	7.5	Security risks of transaction data
	7.6	Security risks of communication between entities
8	Security requirements for DCCS
	8.1	Security requirements for access control
	8.2	Security requirements for DCCS gateway
	8.3	Security requirements for DCCS chain
	8.4	Security requirements for DCCS MQs
	8.5	Security requirements for communication between entities
9	Security capabilities of DCCS
	9.1	Security capabilities of DCCS chain
	9.2	Security capabilities of DCCS ACP
	9.3	Security capabilities of DCCS gateway
10	Security of DCCS procedures
	10.1	DCCS procedures
	10.2	Registering, publishing, discovering and subscribing for DCCS
	10.3	Access control to DCCS for external DLT systems
	10.4	Data security protection for DCCS
	10.5	Status switching of CCS related operations for DCCS
	10.6	Interaction with the initiating DLT system for CCS request and response
	10.7	Interaction with the recipient DLT system for CCS request and response
Appendix I – Use case of cross-chain service for DLT system interoperability
Bibliography