ISO/TC 68, the Technical Committee for Financial Services, has several subcommittees that focus on various aspects of financial services and related technologies. As of the latest information, the following technical subcommittees exist within ISO/TC 68:

1. ISO/TC 68/SC 1 - Financial Services - General: This subcommittee focuses on the general aspects of financial services, including the development of standards that apply across various financial sectors.

2. ISO/TC 68/SC 2 - Financial Services - Security: This subcommittee is dedicated to the security aspects of financial services, including standards for secure transactions and data protection.

3. ISO/TC 68/SC 3 - Financial Services - Messaging: This group works on standards related to messaging protocols and formats used in financial transactions, ensuring interoperability and efficiency.

4. ISO/TC 68/SC 4 - Financial Services - Risk Management: This subcommittee focuses on standards for risk management practices within financial services, including methodologies for assessing and mitigating risks.

5. ISO/TC 68/SC 5 - Financial Services - Data Management: This group is concerned with standards for data management in financial services, including data quality, governance, and lifecycle management.

6. ISO/TC 68/SC 6 - Financial Services - Digital Finance: This subcommittee addresses the standards related to digital finance, including fintech innovations, digital currencies, and blockchain technologies.

These subcommittees work collaboratively to develop and maintain standards that enhance the efficiency, security, and interoperability of financial services globally. For the most current and detailed information, you can refer to the official ISO website or the specific documentation related to ISO/TC 68.