You can use modern enterprise firewalls to protect north-south perimeters, segment east-west traffic, monitor users and applications, and enable software-defined wide-area networks (SD-WANs) to improve network security. To realize these benefits, you'll first have to select from a diverse set of vendors that vary by size, functionality, geography, and vertical market focus. Security and risk (S&R) pros should use this report to understand the value they can expect from a modern enterprise firewall provider and to select one based on size and functionality.