Company lists · Data refreshed September 2026

Top 25 Cybersecurity and data protection companies worldwide

Name: Cybersecurity and data protection companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 25,750 companies tracked

RevenueBase identified 25,750 company matches for cybersecurity and data protection companies worldwide as of September 2026 and tracks 489,246 professional contacts across them, including 180,783 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for cybersecurity and data protection companies 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 28, 2026. Country and city lists for cybersecurity and data protection companies 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 28, 2026 How this list was built

25,750Companies

489,246Contacts tracked

180,783Verified emails

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The 25 largest cybersecurity and data protection companies worldwide

Ranked by team size

Top 25 of 25,750 company matches for cybersecurity and data protection companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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 28, 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 28, 2026 · View company records in RevenueBase
2	Fortinet	Exact match	Sunnyvale, CA, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
3	Private Sector	Exact match	United StatesHQ recorded Sep 28, 2026	n/a	12,771 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Symantec	Exact match	San Jose, CA, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
5	Crowdstrike	Exact match	Remote, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
6	Veeam Software	Exact match	Seattle, WA, United StatesHQ recorded Sep 28, 2026	5,001-10,000	6,262 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Cohesity	Exact match	Santa Clara, CA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	4,962 contacts →
	Exact match “A modern platform for the AI era Our mission at Cohesity is simple: to protect, secure, and provide insights into the world’s data.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Trend Micro	Exact match	Yoyogi, JapanHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
9	Sophos	Exact match	Abingdon, United KingdomHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
10	F-Secure Corporation	Exact match	Helsinki, FinlandHQ recorded Sep 28, 2026	n/a	4,766 contacts →
	Exact match “F-Secure is a human-first, AI-powered consumer cyber security experience company with 38 years of expertise in tackling digital threats.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Rubrik	Exact match	Palo Alto, CA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	4,448 contacts →
	Exact match “Rubrik (NYSE: RBRK), the Security and AI company, operates at the intersection of data protection, cyber resilience and enterprise AI acceleration.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Commvault	Exact match	Tinton Falls, NJ, United StatesHQ recorded Sep 28, 2026	1,001-5,000	4,032 contacts →
	Exact match “Commvault (NASDAQ: CVLT) is a leader in unified resilience at enterprise scale.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Kaspersky	Exact match	Stadtkreis 1 Altstadt, FranceHQ recorded Sep 28, 2026	5,001-10,000	3,822 contacts →
	Exact match “Our mission is simple – building a safer world.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Orange Cyberdefense	Exact match	Nanterre, FranceHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
15	Bugcrowd	Exact match	San Francisco, CA, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
16	Trellix	Exact match	Plano, TX, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
17	Quest Software	Exact match	Austin, TX, United StatesHQ recorded Sep 28, 2026	1,001-5,000	3,206 contacts →
	Exact match “At Quest Software, we help organizations build modern, trusted foundations for AI.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Sentinelone	Exact match	Mountain View, CA, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
19	Entrust	Exact match	Minneapolis, MN, United StatesHQ recorded Sep 28, 2026	1,001-5,000	2,907 contacts →
	Exact match “Entrust fights fraud and cyber threats with identity-centric security that protects people, devices, and data.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Sailpoint	Exact match	Austin, TX, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
21	Rapid7	Exact match	Boston, MA, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
22	GEN	Exact match	Tempe, United StatesHQ recorded Sep 28, 2026	5,001-10,000	2,760 contacts →
	Exact match “Gen (NASDAQ: GEN) is a global company dedicated to Powering Digital Freedom through its trusted Cyber Safety brands, Norton, Avast, LifeLock, MoneyLion and more.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Varonis	Exact match	Miami, FL, United StatesHQ recorded Sep 28, 2026	1,001-5,000	2,715 contacts →
	Exact match “Varonis unifies AI-native data security, AI security and governance, and behavior-based threat detection.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Darktrace	Exact match	Cambridge, United KingdomHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
25	Mimecast	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1,001-5,000	2,304 contacts →
	Exact match “organizations.” Recorded in the RevenueBase company graph · Sep 28, 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 “cybersecurity and data protection companies”. 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 25,750 cybersecurity and data protection companies worldwide

See the full list, filter by size, metro and specialty, and access 180,783 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Cybersecurity and data protection companies worldwide at a glance

As of Sep 28, 2026

37.0%Verified-email coverage

19.0Average contacts per company

1-10Median size (employees)

2.5%Largest-city concentration · London

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

14,337

11-50

8,326

51-200

2,143

201-500

512

501-1,000

173

1,001-5,000

150

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 cybersecurity and data protection companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “cybersecurity and data protection companies” 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 180,783 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 28, 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.

Cybersecurity and data protection companies by location

178 lists · largest first

Every Cybersecurity and data protection companies 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 “cybersecurity and data protection companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many cybersecurity and data protection companies are there worldwide?

RevenueBase identified 25,750 company matches for cybersecurity and data protection companies 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 cybersecurity and data protection companies?

The United States leads with 5,869 companies, followed by India (2,019) and the United Kingdom (1,534). Every cybersecurity and data protection companies list by country and city is linked on this page.

Which city has the most cybersecurity and data protection companies?

London leads with 631 company records, followed by Sao Paulo (302) and Paris (273).

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 180,783 professional contacts with verified work emails tracked across these 25,750 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 28, 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.