Darktrace - Using self-learning AI, Darktrace transforms the ability of organizations to defend themselves in the face of rising cyber threats
Zabbix - Track, record, alert and visualize performance and availability of IT resources
ExtraHop - ExtraHop is a stream analytics platform that provides the fastest, richest, most complete visibility into all activity in IT infrastructure.
Abusix - Abusix is a network security company that offers email threat protection and network abuse handling solutions to ISPs, Telcos, and Cloud/Hosting Providers to stop the rapidly growing problem of email-borne threats and other kinds of network abuse.
AlienVault USM (from AT&T Cybersecurity) - AlienVault USM Anywhere delivers powerful threat detection, incident response, and compliance management for cloud, on-premises, and hybrid environments.
FastNetMon - FastNetMon is a very fast DDoS analyzer with sflow/netflow/mirror support.