The ISSSTE, or Instituto de Seguridad y Servicios Sociales de los Trabajadores del Estado, is a Mexican government institution that provides social security services to public sector workers. Established in 1959, it aims to ensure access to healthcare, pensions, and other social benefits for its members and their families. The ISSSTE offers a range of services, including medical care, hospitalization, and preventive health programs. It also manages retirement funds and provides financial assistance for various needs, contributing to the well-being of public employees in Mexico.