Company lists · Data refreshed September 2026
Top 25 Threat detection companies worldwide
RevenueBase identified 13,615 threat detection companies worldwide as of September 2026 and tracks 340,648 professional contacts across them, including 125,163 with verified work emails. The United States is the largest market and London the largest hub.
This list covers threat detection companies worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 22, 2026. Country and city lists for threat detection companies follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest threat detection companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 18,431 contacts → | ||||
Indirect evidence “Palo Alto Networks, the global cybersecurity leader, is shaping the cloud-centric future with technology that is transforming the way people and organizations operate.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 2 | 14,289 contacts → | ||||
Indirect evidence “Fortinet makes possible a digital world that we can always trust through its mission to protect people, devices, and data everywhere.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 3 | 12,771 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 4 | 11,169 contacts → | ||||
Indirect evidence “Your backstage pass to the most epic cybersecurity solutions on the market for Endpoint, Network, Data and Cloud security.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 5 | 10,118 contacts → | ||||
Indirect evidence “CrowdStrike (Nasdaq: CRWD), a global cybersecurity leader, has redefined modern security with the world’s most advanced cloud-native platform for protecting critical areas of…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 6 | 7,668 contacts → | ||||
Indirect evidence “Check Point Software Technologies Ltd.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 7 | 4,942 contacts → | ||||
Indirect evidence “We’re a global cybersecurity leader, helping to make the world safe for exchanging digital information.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 8 | 4,925 contacts → | ||||
Indirect evidence “Sophos is a cybersecurity leader defending organizations globally with an AI-driven platform and expert-led services.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 9 | 3,673 contacts → | ||||
Indirect evidence “Orange Cyberdefense is the expert cybersecurity business unit of the Orange Group.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 10 | 3,447 contacts → | ||||
Indirect evidence “Trellix is a global cybersecurity company delivering intelligence-led cyber resilience for security-conscious organizations at any stage of their journey.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 11 | 3,145 contacts → | ||||
Indirect evidence “Every year new technologies, vendors, and solutions emerge-yet despite this constant innovation, high-profile breaches are all over the headlines.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 12 | 3,052 contacts → | ||||
Indirect evidence “SentinelOne is the world's leading AI-powered cybersecurity platform.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 13 | 2,822 contacts → | ||||
Indirect evidence “Rapid7, Inc.(NASDAQ: RPD) is a global leader in AI-powered managed cybersecurity operations, trusted to advance organizations’ cyber resilience.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 14 | 2,813 contacts → | ||||
Indirect evidence “Infoblox unites networking and security to deliver unmatched performance and protection.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 15 | 2,722 contacts → | ||||
Strong evidence “As a global leader in threat detection and screening technologies, every minute of every day Smiths Detection's technologies and people make the world a safer place.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 16 | 2,355 contacts → | ||||
Indirect evidence “Darktrace is a global leader in AI cybersecurity, providing the essential cybersecurity platform to secure organizations today and for an ever-changing future.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 17 | 2,222 contacts → | ||||
Indirect evidence “Optiv is the cyber advisory and solutions leader, delivering strategic and technical expertise to nearly companies across every major industry.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 18 | 2,172 contacts → | ||||
Strong evidence “Bitdefender is a cybersecurity leader delivering best-in-class threat prevention, detection, and response solutions worldwide.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 19 | 2,157 contacts → | ||||
Partial evidence “Barracuda is a leading global cybersecurity company providing complete protection against complex threats for all size business.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 20 | 1,773 contacts → | ||||
Indirect evidence “Inspira Enterprise is a global Cybersecurity & Data Analytics & AI services provider with a presence in North America, ASEAN, Middle East, India, and Africa regions.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 21 | 1,719 contacts → | ||||
Indirect evidence “When technology enables progress, ESET is here to protect it.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 22 | 1,648 contacts → | ||||
Indirect evidence “Fortra delivers AI-amplified cybersecurity solutions that help organizations use and protect data with confidence.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 23 | 1,636 contacts → | ||||
Indirect evidence “Forcepoint simplifies security for global businesses and governments.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 24 | 1,510 contacts → | ||||
Indirect evidence “Quick Heal Technologies Limited is one of the leading providers of IT Security and Data Protection Solutions with a strong footprint in India and an evolving global presence.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 25 | 1,378 contacts → | ||||
Indirect evidence “We are established for enriching local content in designing, developing, and operating secure digital computing environments through Saudi talents, by fulfilling our role as a…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: threat detection companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names threat detection companies.
- Partial evidence
- Its own public description names part of threat detection companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name threat detection companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 13,615 threat detection companies worldwide
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Threat detection companies worldwide at a glance
As of Sep 22, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among threat detection companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for threat detection companies are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “threat detection companies”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names threat detection companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among threat detection companies, and records with no verified work email.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 125,163 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 22, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Threat detection companies by location
84 lists · largest firstEvery Threat detection companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Threat detection companies based in the United States3,039
- Threat detection companies based in India1,318
- Threat detection companies based in the United Kingdom713
- Threat detection companies based in Brazil404
- Threat detection companies based in Canada385
- Threat detection companies based in Australia352
- Threat detection companies based in France327
- Threat detection companies based in the United Arab Emirates262
- Threat detection companies based in Germany261
- Threat detection companies based in Spain230
- Threat detection companies based in Italy220
- Threat detection companies based in Türkiye211
- Threat detection companies based in Israel199
- Threat detection companies based in the Netherlands195
- Threat detection companies based in Mexico169
- Threat detection companies based in South Africa141
- Threat detection companies based in Singapore127
- Threat detection companies based in Pakistan120
- Threat detection companies based in Saudi Arabia120
- Threat detection companies based in Switzerland107
- Threat detection companies based in Indonesia106
- Threat detection companies based in Colombia102
- Threat detection companies based in Belgium101
- Threat detection companies based in Chile92
- Threat detection companies based in Nigeria85
- Threat detection companies based in Poland82
- Threat detection companies based in Sweden80
- Threat detection companies based in Malaysia71
- Threat detection companies based in Japan69
- Threat detection companies based in Argentina66
- Threat detection companies based in Kenya61
- Threat detection companies based in Romania52
- Threat detection companies based in Austria49
- Threat detection companies based in Peru45
- Threat detection companies based in Denmark43
- Threat detection companies based in Egypt43
- Threat detection companies based in New Zealand42
- Threat detection companies based in the Philippines42
- Threat detection companies based in Greece41
- Threat detection companies based in Ukraine41
- Threat detection companies based in South Korea40
- Threat detection companies based in Ireland38
- Threat detection companies based in Finland37
- Threat detection companies based in Thailand37
- Threat detection companies based in Portugal35
- Threat detection companies based in Estonia31
- Threat detection companies based in Sri Lanka31
- Threat detection companies based in Taiwan30
- Threat detection companies based in Hungary27
- Threat detection companies based in Bulgaria26
Cities
- Threat detection companies based in New York, United States113
- Threat detection companies based in Hyderabad, India104
- Threat detection companies based in Pune, India94
- Threat detection companies based in Mumbai, India86
- Threat detection companies based in New Delhi, India84
- Threat detection companies based in Toronto, Canada79
- Threat detection companies based in Bangalore, India73
- Threat detection companies based in Chennai, India72
- Threat detection companies based in Bengaluru, India65
- Threat detection companies based in San Francisco, United States62
- Threat detection companies based in Noida, India61
- Threat detection companies based in Austin, United States58
- Threat detection companies based in Houston, United States55
- Threat detection companies based in Miami, United States54
- Threat detection companies based in Ahmedabad, India52
- Threat detection companies based in Dallas, United States51
- Threat detection companies based in Montreal, Canada51
- Threat detection companies based in Washington, United States50
- Threat detection companies based in Atlanta, United States48
- Threat detection companies based in Chicago, United States46
- Threat detection companies based in Boston, United States35
- Threat detection companies based in Columbia, United States32
- Threat detection companies based in San Diego, United States32
- Threat detection companies based in Vancouver, Canada31
- Threat detection companies based in Los Angeles, United States30
- Threat detection companies based in Wilmington, United States29
- Threat detection companies based in Reston, United States28
- Threat detection companies based in Seattle, United States28
- Threat detection companies based in Calgary, Canada27
- Threat detection companies based in Ottawa, Canada27
- Threat detection companies based in Arlington, United States26
- Threat detection companies based in Tampa, United States26
- Threat detection companies based in Denver, United States25
- Threat detection companies based in San Jose, United States25
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names threat detection companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many threat detection companies are there worldwide?
RevenueBase identified 13,615 threat detection companies worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Palo Alto Networks, headquartered in Santa Clara, tops this list with the largest team on record.
Which country has the most threat detection companies?
The United States leads with 3,039 companies, followed by India (1,318) and the United Kingdom (713). Every threat detection companies list by country and city is linked on this page.
Which city has the most threat detection companies?
London leads with 312 headquartered companies, followed by Dubai (173) and Sao Paulo (150).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 125,163 verified decision-maker contacts tracked across these 13,615 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 22, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.