Company lists · Data refreshed September 2026

Top 25 Adversarial intelligence firms worldwide

Name: Adversarial intelligence firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 24,068 companies tracked

RevenueBase identified 24,068 company matches for adversarial intelligence firms worldwide as of September 2026 and tracks 439,509 professional contacts across them, including 157,004 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for adversarial intelligence firms worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 19, 2026. Country and city lists for adversarial intelligence firms follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 19, 2026 How this list was built

24,068Companies

439,509Contacts tracked

157,004Verified emails

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The 25 largest adversarial intelligence firms worldwide

Ranked by team size

Top 25 of 24,068 company matches for adversarial intelligence firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Palo Alto Networks	Exact match	Santa Clara, CA, United StatesHQ recorded Sep 19, 2026	10001+	18,431 contacts →
	Exact match “Palo Alto Networks, the global cybersecurity leader, is shaping the cloud-centric future with technology that is transforming the way people and organizations operate.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2	Fortinet	Exact match	Sunnyvale, CA, United StatesHQ recorded Sep 19, 2026	10001+	14,289 contacts →
	Exact match “Fortinet makes possible a digital world that we can always trust through its mission to protect people, devices, and data everywhere.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3	Private Sector	Exact match	United StatesHQ recorded Sep 19, 2026	n/a	12,771 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4	Symantec	Exact match	San Jose, CA, United StatesHQ recorded Sep 19, 2026	10001+	11,169 contacts →
	Exact match “Your backstage pass to the most epic cybersecurity solutions on the market for Endpoint, Network, Data and Cloud security.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5	Crowdstrike	Exact match	Remote, United StatesHQ recorded Sep 19, 2026	5,001-10,000	10,118 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6	Trend Micro	Exact match	Yoyogi, JapanHQ recorded Sep 19, 2026	5,001-10,000	4,942 contacts →
	Exact match “We’re a global cybersecurity leader, helping to make the world safe for exchanging digital information.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7	Sophos	Exact match	Abingdon, United KingdomHQ recorded Sep 19, 2026	5,001-10,000	4,925 contacts →
	Exact match “Sophos is a cybersecurity leader defending organizations globally with an AI-driven platform and expert-led services.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8	Orange Cyberdefense	Exact match	Nanterre, FranceHQ recorded Sep 19, 2026	1,001-5,000	3,673 contacts →
	Exact match “Orange Cyberdefense is the expert cybersecurity business unit of the Orange Group.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9	Bugcrowd	Exact match	San Francisco, CA, United StatesHQ recorded Sep 19, 2026	n/a	3,649 contacts →
	Exact match “We are a crowdsourced security company that safeguards organizations' assets from sophisticated threat actors before they can strike-by uniting our customers with trusted hackers…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10	Trellix	Exact match	Plano, TX, United StatesHQ recorded Sep 19, 2026	1,001-5,000	3,447 contacts →
	Exact match “Trellix is a global cybersecurity company delivering intelligence-led cyber resilience for security-conscious organizations at any stage of their journey.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11	Sicuritalia S.P.A	Exact match	Milano, ItalyHQ recorded Sep 19, 2026	10001+	3,387 contacts →
	Exact match “Il Gruppo Sicuritalia, con oltre 18.500 dipendenti, è la più grande azienda italiana ed il secondo player privato europeo in ambito Security.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12	Arctic Wolf	Exact match	Eden Prairie, MN, United StatesHQ recorded Sep 19, 2026	1,001-5,000	3,145 contacts →
	Exact match “Every year new technologies, vendors, and solutions emerge-yet despite this constant innovation, high-profile breaches are all over the headlines.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13	Sentinelone	Exact match	Mountain View, CA, United StatesHQ recorded Sep 19, 2026	1,001-5,000	3,052 contacts →
	Exact match “SentinelOne is the world's leading AI-powered cybersecurity platform.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14	Sailpoint	Exact match	Austin, TX, United StatesHQ recorded Sep 19, 2026	1,001-5,000	2,886 contacts →
	Exact match “SailPoint equips the modern enterprise to seamlessly manage and secure access to applications and data through the lens of identity – at speed and scale.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15	Rapid7	Exact match	Boston, MA, United StatesHQ recorded Sep 19, 2026	1,001-5,000	2,822 contacts →
	Exact match “Rapid7, Inc.(NASDAQ: RPD) is a global leader in AI-powered managed cybersecurity operations, trusted to advance organizations’ cyber resilience.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16	Darktrace	Exact match	Cambridge, United KingdomHQ recorded Sep 19, 2026	1,001-5,000	2,355 contacts →
	Exact match “Darktrace is a global leader in AI cybersecurity, providing the essential cybersecurity platform to secure organizations today and for an ever-changing future.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17	Mimecast	Exact match	London, United KingdomHQ recorded Sep 19, 2026	1,001-5,000	2,304 contacts →
	Exact match “organizations.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18	OPTIV	Exact match	Leawood, KS, United StatesHQ recorded Sep 19, 2026	1,001-5,000	2,222 contacts →
	Exact match “Optiv is the cyber advisory and solutions leader, delivering strategic and technical expertise to nearly companies across every major industry.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19	Bitdefender	Exact match	Bucuresti, RomaniaHQ recorded Sep 19, 2026	1,001-5,000	2,172 contacts →
	Exact match “Bitdefender is a cybersecurity leader delivering best-in-class threat prevention, detection, and response solutions worldwide.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20	Barracuda	Exact match	Campbell, CA, United StatesHQ recorded Sep 19, 2026	1,001-5,000	2,157 contacts →
	Exact match “Barracuda is a leading global cybersecurity company providing complete protection against complex threats for all size business.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21	Inspira Enterprise	Exact match	Mumbai, IndiaHQ recorded Sep 19, 2026	1,001-5,000	1,773 contacts →
	Exact match “Inspira Enterprise is a global Cybersecurity & Data Analytics & AI services provider with a presence in North America, ASEAN, Middle East, India, and Africa regions.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22	Beyondtrust	Exact match	Johns Creek, GA, United StatesHQ recorded Sep 19, 2026	1,001-5,000	1,669 contacts →
	Exact match “BeyondTrust is the global cybersecurity leader protecting Paths to Privilege™.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23	Fortra	Exact match	Eden Prairie, MN, United StatesHQ recorded Sep 19, 2026	1,001-5,000	1,648 contacts →
	Exact match “Fortra delivers AI-amplified cybersecurity solutions that help organizations use and protect data with confidence.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24	Forcepoint	Exact match	Austin, TX, United StatesHQ recorded Sep 19, 2026	1,001-5,000	1,636 contacts →
	Exact match “Forcepoint simplifies security for global businesses and governments.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25	Quick Heal	Exact match	Pune, IndiaHQ recorded Sep 19, 2026	1,001-5,000	1,510 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “adversarial intelligence firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 24,068 adversarial intelligence firms worldwide

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Adversarial intelligence firms worldwide at a glance

As of Sep 19, 2026

35.7%Verified-email coverage

18.3Average contacts per company

1-10Median size (employees)

2.7%Largest-city concentration · London

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

13,356

11-50

7,849

51-200

2,037

201-500

463

501-1,000

139

1,001-5,000

134

5,001-10,000

10001+

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage: Every country. Country and city lists for adversarial intelligence firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “adversarial intelligence firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 157,004 professional contacts with verified work emails across the full matched dataset. 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 19, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Adversarial intelligence firms by location

159 lists · largest first

Every Adversarial intelligence firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “adversarial intelligence firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many adversarial intelligence firms are there worldwide?

RevenueBase identified 24,068 company matches for adversarial intelligence firms worldwide as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Palo Alto Networks tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most adversarial intelligence firms?

The United States leads with 5,980 companies, followed by India (1,918) and the United Kingdom (1,516). Every adversarial intelligence firms list by country and city is linked on this page.

Which city has the most adversarial intelligence firms?

London leads with 646 company records, followed by Paris (252) and Sao Paulo (248).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 157,004 professional contacts with verified work emails tracked across these 24,068 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 19, 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 SmartSearch, 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.