The Consumer Financial Protection Bureau (CFPB) is a U.S. federal agency established in 2011 to protect consumers in the financial sector. It regulates banks, credit unions, mortgage lenders, and other financial institutions, ensuring they comply with consumer protection laws. The CFPB also investigates complaints, enforces regulations, and promotes transparency in financial products and services, aiming to safeguard consumers from unfair, deceptive, or abusive practices.