Company lists · Data refreshed October 2026

Top 25 Cyber security services worldwide

Name: Cyber security services worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 19, 2026 36,463 companies tracked

RevenueBase identified 36,463 company matches for cyber security services worldwide as of October 2026 and tracks 575,979 professional contacts across them, including 179,493 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for cyber security services 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 October 19, 2026. Country and city lists for cyber security services 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 Oct 19, 2026 How this list was built

36,463Companies

575,979Contacts tracked

179,493Verified emails

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The 25 largest cyber security services worldwide

Ranked by team size

Top 25 of 36,463 company matches for cyber security services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 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 Oct 19, 2026	10001+	21,187 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 · Oct 19, 2026 · View company records in RevenueBase
2	Fortinet	Exact match	Sunnyvale, CA, United StatesHQ recorded Oct 19, 2026	10001+	14,972 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 · Oct 19, 2026 · View company records in RevenueBase
3	Private Sector	Exact match	United StatesHQ recorded Oct 19, 2026	n/a	12,822 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
4	Symantec	Exact match	San Jose, CA, United StatesHQ recorded Oct 19, 2026	10001+	11,671 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 · Oct 19, 2026 · View company records in RevenueBase
5	Crowdstrike	Exact match	Remote, United StatesHQ recorded Oct 19, 2026	5,001-10,000	10,969 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 · Oct 19, 2026 · View company records in RevenueBase
6	Check Point Software	Exact match	Redwood City, CA, United StatesHQ recorded Oct 19, 2026	5,001-10,000	8,069 contacts →
	Exact match “Check Point Software Technologies Ltd.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
7	ELM Company	Exact match	Riyadh, Saudi ArabiaHQ recorded Oct 19, 2026	1,001-5,000	7,333 contacts →
	Exact match “Elm is the leading provider of innovative secure services & solutions to both public and private sectors in Saudi Arabia.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
8	Sophos	Exact match	Abingdon, United KingdomHQ recorded Oct 19, 2026	5,001-10,000	5,139 contacts →
	Exact match “Sophos, a global cybersecurity leader, defends more than organizations worldwide with Sophos Fusion, the industry's first and most complete AI-native cybersecurity defense system…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
9	Orange Cyberdefense	Exact match	Nanterre, FranceHQ recorded Oct 19, 2026	1,001-5,000	3,903 contacts →
	Exact match “Orange Cyberdefense is the expert cybersecurity business unit of the Orange Group.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
10	Trellix	Exact match	Plano, TX, United StatesHQ recorded Oct 19, 2026	1,001-5,000	3,439 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 · Oct 19, 2026 · View company records in RevenueBase
11	Arctic Wolf	Exact match	Eden Prairie, MN, United StatesHQ recorded Oct 19, 2026	1,001-5,000	3,278 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 · Oct 19, 2026 · View company records in RevenueBase
12	Bugcrowd	Exact match	San Francisco, CA, United StatesHQ recorded Oct 19, 2026	n/a	3,195 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 · Oct 19, 2026 · View company records in RevenueBase
13	Rapid7	Exact match	Boston, MA, United StatesHQ recorded Oct 19, 2026	1,001-5,000	2,913 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 · Oct 19, 2026 · View company records in RevenueBase
14	Alcatel-Lucent Enterprise	Exact match	92707 Colombes, GermanyHQ recorded Oct 19, 2026	1,001-5,000	2,892 contacts →
	Exact match “Alcatel-Lucent Enterprise provides secure networking and communication solutions which enable organizations and industries to accelerate their operational efficiencies and…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
15	NIL LTD	Exact match	Ljubljana, SloveniaHQ recorded Oct 19, 2026	n/a	2,597 contacts →
	Exact match “NIL is a globally recognized provider of advanced data center, network, cloud, cyber security solutions as well as services for business and industry environments, state…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
16	Barracuda	Exact match	Campbell, CA, United StatesHQ recorded Oct 19, 2026	1,001-5,000	2,272 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 · Oct 19, 2026 · View company records in RevenueBase
17	Bitdefender	Exact match	Bucharest, RomaniaHQ recorded Oct 19, 2026	1,001-5,000	2,240 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 · Oct 19, 2026 · View company records in RevenueBase
18	Trend Micro	Exact match	Yoyogi, JapanHQ recorded Oct 19, 2026	5,001-10,000	2,132 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 · Oct 19, 2026 · View company records in RevenueBase
19	OPTIV	Exact match	Leawood, KS, United StatesHQ recorded Oct 19, 2026	1,001-5,000	2,128 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 · Oct 19, 2026 · View company records in RevenueBase
20	Paragon Systems INC	Exact match	Herndon, VA, United StatesHQ recorded Oct 19, 2026	10001+	1,806 contacts →
	Exact match “Paragon Systems employs over 10,500 professionals in specialized operations providing security, fire, investigations, inspections, cybersecurity, risk management, and mission…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
21	Inspira Enterprise	Exact match	Mumbai, IndiaHQ recorded Oct 19, 2026	1,001-5,000	1,787 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 · Oct 19, 2026 · View company records in RevenueBase
22	Fortra	Exact match	Eden Prairie, MN, United StatesHQ recorded Oct 19, 2026	1,001-5,000	1,664 contacts →
	Exact match “Fortra delivers AI-amplified data security solutions that help organizations use and protect data with confidence.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
23	DMI	Exact match	Mclean, VA, United StatesHQ recorded Oct 19, 2026	1,001-5,000	1,595 contacts →
	Exact match “DMI is a leading provider of digital services and technology solutions with a focus on end-to-end managed services, including managed mobility, cloud, cybersecurity, network…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
24	Quick Heal	Exact match	Pune, IndiaHQ recorded Oct 19, 2026	1,001-5,000	1,507 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 · Oct 19, 2026 · View company records in RevenueBase
25	Site سايت	Exact match	Al Nakheel, Saudi ArabiaHQ recorded Oct 19, 2026	501-1,000	1,453 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Oct 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 “cyber security services”. 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 36,463 cyber security services worldwide

See the full list, filter by size, metro and specialty, and access 179,493 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Cyber security services worldwide at a glance

As of Oct 19, 2026

31.2%Verified-email coverage

15.8Average contacts per company

1-10Median size (employees)

2.1%Largest-city concentration · London

Oct 19, 2026Page data refreshed

Companies by employee count

1-10

20,407

11-50

11,800

51-200

3,015

201-500

672

501-1,000

233

1,001-5,000

191

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 cyber security services are linked below.
What qualifies: Company records worldwide whose business descriptions match “cyber security services” 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 179,493 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 October 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.

Cyber security services by location

226 lists · largest first

Every Cyber security services 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 “cyber security services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many cyber security services are there worldwide?

RevenueBase identified 36,463 company matches for cyber security services worldwide as of October 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 cyber security services?

The United States leads with 8,996 companies, followed by India (2,694) and the United Kingdom (2,146). Every cyber security services list by country and city is linked on this page.

Which city has the most cyber security services?

London leads with 777 company records, followed by Dubai (324) and Sao Paulo (303).

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 179,493 professional contacts with verified work emails tracked across these 36,463 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 October 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.