The Securities Industry Essentials (SIE) exam, administered by the Financial Industry Regulatory Authority (FINRA) in the United States, is a comprehensive assessment tool for individuals aspiring to enter or work in the securities industry. Covering regulatory concepts, products, and industry practices, the exam is a prerequisite for those pursuing careers in the financial services sector, including roles like securities representatives, investment bankers, and professionals in securities trading. While passing the SIE exam is necessary, individuals may also need to take additional qualification exams tailored to their specific job roles, such as the Series 7 exam for registered representatives or the Series 63 exam for state securities agents.