The First Trust Nasdaq Cybersecurity ETF is an exchange-traded fund. The Fund seeks investment results that correspond generally to the price and yield (before the Fund's fees and expenses) of an equity index called the Nasdaq CTA Cybersecurity IndexSM. The Nasdaq CTA Cybersecurity Index℠ is designed to track the performance of companies engaged in the cybersecurity segment of the technology and industrials sectors. It includes companies primarily involved in the building, implementation, and management of security protocols applied to private and public networks, computers, and mobile devices in order to provide protection of the integrity of data and network operations.