The Meraki MX80 Series is a family of cloud-managed security appliances designed for medium-sized businesses and branch offices. These appliances provide robust security features, including firewall, content filtering, and intrusion detection, to protect networks from threats. The MX80 Series focuses on ease of deployment and management through Meraki's cloud-based dashboard, allowing administrators to configure and monitor security policies, VPNs, and application performance from a centralized interface. It offers a reliable and scalable security and networking solution for medium-sized branches and offices.