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 Firewall vendors and companies based in the United States.
| Company | Category | Based in | Founded | Ownership |
|---|---|---|---|---|
 A10 Networks A10 Networks provides secure, high-performance networking solutions for applications and AI workloads. | DDoS protection | San Jose, United States | 2004 | Public, ATEN |
 AT&T Cybersecurity AT&T Cybersecurity provides network security services to businesses of all sizes. | SASE and SSE | San Mateo, United States | 2007 | Owned by WillJam Ventures |
 Barracuda Networks Barracuda Networks provides cybersecurity solutions for email, networks, applications, and data. | Email security | Campbell, United States | 2003 | Owned by KKR |
E Everfox Everfox provides cybersecurity solutions for cross domain, threat protection, and insider risk management. | Firewalls | Herndon, United States | Private | |
 Forcepoint Forcepoint provides data security software that controls how AI applications and agents access sensitive information. | Data loss prevention | Austin, United States | 1994 | Owned by Francisco Partners |
 Fortinet Fortinet provides cybersecurity solutions and services, including networking and security convergence, for enterprises and governments. | Firewalls | Sunnyvale, United States | 2000 | Public, FTNT |
 Hillstone Networks Hillstone Networks provides cyber security products including firewalls, threat detection and cloud workload protection. | Firewalls | Santa Clara, United States | Private | |
 HPE Security service edge combining ZTNA, secure web gateway, CASB and firewall as a service, alongside HPE servers, storage, networking and hybrid cloud. | SASE and SSE | Houston, United States | Private | |
 iboss iboss provides security for AI, data, and applications through a unified SASE platform. | SASE and SSE | Boston, United States | 2003 | Private |
J Juniper Networks Juniper Networks is now part of HPE. | Firewalls | San Mateo, United States | 2000 | Owned by Hewlett Packard Enterprise |
 Netgate Netgate provides open source firewall and network security software and hardware appliances. | Firewalls | Austin, United States | 2004 | Private |
 Palo Alto Networks Palo Alto Networks provides cybersecurity platforms and services to protect organizations from cyber threats. | Firewalls | Santa Clara, United States | 2005 | Public, PANW |
 SonicWall SonicWall provides unified cybersecurity for SMBs, MSPs, and IT teams. | Firewalls | Milpitas, United States | 1991 | Owned by Francisco Partners and Elliott Investment Management |
 Sophos Sophos provides cybersecurity products and managed detection and response services to organisations worldwide. | EDR and XDR | Atlanta, United States | 1999 | Owned by Thoma Bravo |
 Versa Networks Versa Networks provides secure access service edge (SASE) solutions that combine networking and security. | SASE and SSE | Santa Clara, United States | 2012 | Private |
 WatchGuard WatchGuard provides unified cybersecurity solutions for networks, endpoints, identities, and cloud environments. | Firewalls | Seattle, United States | 1996 | Owned by Vector Capital |