Financial Services are Essential Part of Infrastructure March 24, 2020 Across the country, AFSA member companies are working to ensure the customers and neighbors have access to credit in this time of financial insecurity. That's why our industry is one of the identified 16 critical infrastructure sectors by the Department of Homeland Security and its Cybersecurity and Infrastructure Security Agency (CISA). The Department of the Treasury also declared financial services as key infrastructure. Read his letter here. Learn more about essential infrastructure at the CISA website.