> Enrich.chat gives AI agents verified work emails and mobiles. To use it from an agent, read https://enrich.chat/agents.md . This is the Markdown version of https://enrich.chat/industries/computer-and-network-security/ # Computer and network security: companies and the tools they run This group covers firms that build and sell software, hardware and services that protect computers, networks and data from attack. Browse the organizations, the technology they run and how big they are. By Enrich.chat Editorial. Updated October 21, 2026. **Short answer:** Cybersecurity companies include Palo Alto Networks, Fortinet, CrowdStrike, Zscaler and Own. Below are the tools they run most often, how they spread by size and how to reach CISOs, heads of product and channel leaders. ## What counts as computer and network security? This group covers firms that build and sell software, hardware and services that protect computers, networks and data from attack. ## Which cybersecurity companies are listed here? They include Palo Alto Networks, Fortinet, CrowdStrike, Zscaler and Own. The table lists a selection of larger ones in alphabetical order; names link to company profiles. | Company | Size | Tools detected | | --- | --- | --- | | 1Password | 2,000 to 5,000 | 115 | | AMI | 2,000 to 5,000 | 13 | | Arctic Wolf Networks | 2,000 to 5,000 | 61 | | Bugcrowd | 2,000 to 5,000 | 48 | | Check Point Software Technologies | 5,000 to 10,000 | 71 | | Cloudflare | 5,000 to 10,000 | 99 | | [CrowdStrike](https://enrich.chat/company/crowdstrike/) | 10,000 to 25,000 | 74 | | Darktrace | 2,000 to 5,000 | 38 | | Exclusive Networks | 2,000 to 5,000 | 39 | | [Fortinet](https://enrich.chat/company/fortinet/) | 10,000 to 25,000 | 75 | | Gen | 2,000 to 5,000 | 31 | | HackerOne | 5,000 to 10,000 | 107 | | Infoblox | 2,000 to 5,000 | 46 | | Kaspersky | 2,000 to 5,000 | 79 | | Mimecast | 2,000 to 5,000 | 56 | | Netskope | 2,000 to 5,000 | 17 | | Optiv | 2,000 to 5,000 | 34 | | Own | 5,000 to 10,000 | 35 | | [Palo Alto Networks](https://enrich.chat/company/palo-alto-networks/) | 10,000 to 25,000 | 85 | | Proofpoint | 2,000 to 5,000 | 51 | | Qualys | 2,000 to 5,000 | 19 | | Rapid7 | 2,000 to 5,000 | 82 | | RSA Security | 2,000 to 5,000 | 44 | | SentinelOne | 2,000 to 5,000 | 62 | | Tenable | 2,000 to 5,000 | 69 | | Trellix | 2,000 to 5,000 | 48 | | TryHackMe | 2,000 to 5,000 | 25 | | Varonis Systems | 2,000 to 5,000 | 55 | | Wiz | 2,000 to 5,000 | 45 | | Zscaler | 5,000 to 10,000 | 77 | ## What technology do cybersecurity companies use? These tools stand out among cybersecurity companies: each is detected more often here than across all the organizations listed. The tick on each bar marks that wider average. **Figure: Tools that stand out among cybersecurity companies.** Bars for the share of listed cybersecurity companies where each tool was detected, with a tick for the share across all listed organizations: Statuspage 56% against 3%, Demandbase 38% against 2%, Drift 35% against 1%, Greenhouse 32% against 2%, Bizible (Adobe Marketo Measure) 29% against 1%, DocuSign 15% against 1%. *Share of listed cybersecurity companies where each tool was detected. The tick marks the share across all listed organizations.* ## How big are cybersecurity companies? The columns show how the listed cybersecurity companies spread across six size ranges. **Figure: Size of cybersecurity companies.** Six columns for the share of listed cybersecurity companies in each size range from 2,000 to over 100,000 employees: 2-5K 76%, 5-10K 15%, 10-25K 9%, 25-50K 0%, 50-100K 0%, 100K+ 0%. *Share of listed cybersecurity companies in each size range.* ## How do you reach CISOs, heads of product and channel leaders at cybersecurity companies? Pick an organization from the table, then ask your AI agent for the people in the roles you sell to. ```text Use www.enrich.chat to find CISOs, heads of product and channel leaders at [company], with titles and verified work emails ``` ## Frequently asked questions ### Which cybersecurity companies are there? Cybersecurity companies include Palo Alto Networks, Fortinet, CrowdStrike, Zscaler and Own. The page lists a selection of larger ones with links to their profiles. ### What technology do cybersecurity companies use most? Cybersecurity companies are most often detected running Statuspage, Demandbase, Drift and Greenhouse. ### How big are cybersecurity companies? Listed cybersecurity companies range from about 2,000 employees to well over 100,000. The columns on this page show the spread. ### Who do you sell to in computer and network security? Usually CISOs, heads of product and channel leaders. Ask your AI agent to use www.enrich.chat to find them with verified work emails. ## Try this prompt Find CISOs, heads of product and channel leaders ```text Use www.enrich.chat to find CISOs, heads of product and channel leaders at [company], with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [Information technology and services](https://enrich.chat/industries/information-technology-and-services/) - [Hospitals and health care](https://enrich.chat/industries/hospitals-and-health-care/) - [Retail](https://enrich.chat/industries/retail/) - [Higher education](https://enrich.chat/industries/higher-education/) - [Government administration](https://enrich.chat/industries/government-administration/) - [Financial services](https://enrich.chat/industries/financial-services/) - [Banking](https://enrich.chat/industries/banking/) - [Insurance](https://enrich.chat/industries/insurance/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)