All companies
Every cybersecurity vendor and service firm on the list. Tick the filters to build a shortlist, then open a profile to see who owns the company and what it does. You can also browse by category or country, or see recent deals.
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See also NDR vendors and companies based in the United States.
| Company | Category | Based in | Founded | Ownership |
|---|---|---|---|---|
ARIA Cybersecurity ARIA Cybersecurity provides AI-driven threat detection and response solutions for IT and OT infrastructure. | Network detection and response | Lowell, United States | Owned by CSPi | |
AtlasCyber Provides agentic threat intelligence and validation for critical infrastructure security teams. | Threat intelligence | Merrimack, United States | Private | |
Claroty Claroty provides cybersecurity for cyber-physical systems in industrial, healthcare, and commercial settings. | OT and ICS security | New York, United States | Private | |
Corelight Corelight provides network detection and response solutions for cybersecurity teams. | Network detection and response | San Francisco, United States | 2013 | Private |
Elisity Elisity provides identity-based microsegmentation software to contain lateral movement across enterprise networks. | Zero trust network access | Dallas, United States | 2018 | Owned by IonQ |
Exabeam Exabeam provides security operations platforms that use behavioural analytics to detect and respond to threats. | SIEM | Broomfield, United States | 2013 | Owned by Thoma Bravo |
ExtraHop ExtraHop provides network detection and response for security and performance. | Network detection and response | Seattle, United States | 2007 | Owned by Bain Capital and Crosspoint Capital Partners |
Fidelis Security Fidelis Security provides cybersecurity solutions for enterprises and government agencies. | Network detection and response | Riverside, United States | 2003 | Owned by Partner One |
Fortinet Fortinet provides cybersecurity solutions and services, including networking and security convergence, for enterprises and governments. | Firewalls | Sunnyvale, United States | 2000 | Public, FTNT |
G Galvanick Galvanick provides behavioral threat detection for operational technology environments. | OT and ICS security | Seattle, United States | Private | |
GreyNoise Intelligence GreyNoise Intelligence provides real-time network threat intelligence. | Threat intelligence | Washington, D.C., United States | 2017 | Private |
Hillstone Networks Hillstone Networks provides cyber security products including firewalls, threat detection and cloud workload protection. | Firewalls | Santa Clara, United States | Private | |
Infoblox Infoblox provides networking and security software for DNS, DHCP and IP address management. | DNS security | Santa Clara, United States | Private | |
Lumu Lumu provides network detection and response to identify and stop cyber threats in real time. | Network detection and response | Doral, United States | Private | |
NETSCOUT NETSCOUT provides real-time network visibility, observability, cybersecurity, and DDoS protection solutions. | DDoS protection | Westford, United States | 1984 | Public, NTCT |
NetWitness NetWitness provides cybersecurity platforms for threat detection, investigation and response across IT and OT environments. | Network detection and response | Riverside, United States | 1997 | Private |
Nozomi Networks Nozomi Networks provides OT and IoT security solutions for critical infrastructure, offering asset visibility and threat detection. | OT and ICS security | San Francisco, United States | Owned by Mitsubishi Electric | |
Ordr Ordr provides a platform that discovers and enforces security policies for connected devices across IT, IoT, OT, and IoMT. | IoT, embedded and product security | Santa Clara, United States | 2015 | Private |
PathSolutions PathSolutions sells TotalView, a network operations intelligence platform. | Network detection and response | Santa Clara, United States | 1998 | Private |
Progress Flowmon network detection and response, plus MOVEit file transfer, Kemp LoadMaster load balancing, ShareFile, Chef, Telerik and other business software. | Network detection and response | Burlington, United States | Private | |
Stamus Networks Stamus Networks provides network detection and response systems for enterprise security teams. | Network detection and response | Indianapolis, United States | 2014 | Private |
Stellar Cyber Stellar Cyber provides an AI-native security operations platform that unifies detection and response tools. | SIEM | San Jose, United States | 2015 | Private |
Vectra AI Vectra AI provides AI-native security and observability to detect and respond to cyber threats. | Network detection and response | San Jose, United States | 2011 | Private |