McAfee Network Security Platform - McAfee Network Security Platform guards all your network-connected devices from zero-day and other attacks, with a cost-effective network intrusion prevention system.
Cisco Umbrella - Cisco Umbrella is a cloud security platform that provides the first line of defense against threats on the internet.
snort - Snort is a free and open source network intrusion prevention system.
McAfee SmartFilter - McAfee Web Protection is a web security solution that includes an on-premises secure web gateway and SaaS-based web security delivered from the cloud.
Suricata - Suricata is a high performance Network IDS, IPS and Network Security Monitoring engine.
OpenDNS Umbrella - Cloud Security