; (2) project preparation and feasibility studies; (3) debt sustainability analyses; (4) bid or proposal evaluation; and (5) other services relevant to advancing the development of sustainable, transparent, and high-quality infrastructure. (c) Strategic Infrastructure Fund (1) In general As part of the Infrastructure Transaction and Assistance Network described under subsection (a), the Secretary of State is authorized to provide support, including through the Strategic Infrastructure Fund, for technical assistance, project preparation, pipeline development, and other infrastructure project support. (2) Joint infrastructure projects Funds authorized for the Strategic Infrastructure Fund should be used in coordination with the Department of Defense, the International Development Finance Corporation, like-minded donor partners, and multilateral banks, as appropriate, to support joint infrastructure projects in the Indo-Pacific region. (3) Strategic infrastructure projects Funds authorized for the Strategic Infrastructure Fund should be used to support strategic infrastructure projects that are in the national security interest of the United States and vulnerable to strategic competitors. (d) Authorization of appropriations There is authorized to be appropriated, for each of fiscal years 2024 to 2028, $75,000,000 to the Infrastructure Transaction and Assistance Network, of which $20,000,000 is to be provided for the Transaction Advisory Fund. 304. Digital Connectivity and Cybersecurity Partnership (a) Digital Connectivity and Cybersecurity Partnership The Secretary of State is authorized to establish a program, to be known as the Digital Connectivity and Cybersecurity Partnership to help foreign countries— (1) expand and increase secure internet access and digital infrastructure in emerging markets; (2) protect technological assets, including data