HackerOne - HackerOne provides a platform designed to streamline vulnerability coordination and bug bounty program by enlisting hackers.
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.
Acunetix - Audit your website security and web applications for SQL injection, Cross site scripting and other...
snort - Snort is a free and open source network intrusion prevention system.
Trustwave Services - Trustwave is a leading cybersecurity and managed security services provider that helps businesses fight cybercrime, protect data and reduce security risk.
Suricata - Suricata is a high performance Network IDS, IPS and Network Security Monitoring engine.