Company lists · Data refreshed September 2026

Top 25 Ransomware protection companies worldwide

RevenueBase identified 968 company matches for ransomware protection companies worldwide as of September 2026 and tracks 37,181 professional contacts across them, including 15,614 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for ransomware 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 21, 2026. Country and city lists for ransomware 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 21, 2026 How this list was built
968Companies
37,181Contacts tracked
15,614Verified emails
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The 25 largest ransomware protection companies worldwide

Ranked by team size
Top 25 of 968 company matches for ransomware protection companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchYoyogi, JapanHQ recorded Sep 21, 20265,001-10,0004,942 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 21, 2026 · View company records in RevenueBase
2Exact matchAbingdon, United KingdomHQ recorded Sep 21, 20265,001-10,0004,925 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 21, 2026 · View company records in RevenueBase
3Exact matchPlano, TX, United StatesHQ recorded Sep 21, 20261,001-5,0003,447 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 21, 2026 · View company records in RevenueBase
4Exact matchBucuresti, RomaniaHQ recorded Sep 21, 20261,001-5,0002,172 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 21, 2026 · View company records in RevenueBase
5Exact matchPune, IndiaHQ recorded Sep 21, 20261,001-5,0001,510 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 21, 2026 · View company records in RevenueBase
6Exact matchChicago, IL, United StatesHQ recorded Sep 21, 2026501-1,000874 contacts →

Exact match

“Trustwave, a LevelBlue Company, is a globally recognized cybersecurity leader that reduces cyber risk and fortifies organizations against disruptive and damaging cyber threats.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7Exact matchSunnyvale, CA, United StatesHQ recorded Sep 21, 2026501-1,000800 contacts →

Exact match

“Illumio is the leader in ransomware and breach containment, redefining how organizations contain cyberattacks and enable operational resilience.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8Exact matchSeattle, WA, United StatesHQ recorded Sep 21, 2026501-1,000794 contacts →

Exact match

“Absolute Security is partnered with more than 28 of the world’s leading endpoint device manufacturers, embedded in the firmware of 600 million devices, trusted by global…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9Exact matchBengaluru, IndiaHQ recorded Sep 21, 2026201-500743 contacts →

Exact match

“SISA is a global forensics-driven cybersecurity solutions company, trusted by leading organizations for securing their businesses with robust preventive, detective, and corrective…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10Exact matchEden Prairie, MN, United StatesHQ recorded Sep 21, 2026501-1,000610 contacts →

Exact match

“Arcserve, the pioneer in unified data resilience, protects data from ransomware, cyberattacks, and disasters through simple, flexible, and affordable data protection solutions for…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11Exact matchSeongnam-si, South KoreaHQ recorded Sep 21, 20261,001-5,000581 contacts →

Exact match

“Founded in 1995, AhnLab, Inc, the global cybersecurity company, delivers comprehensive protection for endpoints, networks, transactions, and essential services.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12Exact matchSan Diego, CA, United StatesHQ recorded Sep 21, 20261,001-5,000574 contacts →

Exact match

“Cybereason, a LevelBlue company, is a global cybersecurity leader delivering advanced endpoint detection and response (EDR) and industry recognized consulting services to support…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13Exact matchSingaporeHQ recorded Sep 21, 2026501-1,000528 contacts →

Exact match

“Founded in 2003 and headquartered in Singapore, Group-IB is a leading creator of cybersecurity technologies to investigate, prevent, and fight digital crime.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14Exact matchBoca Raton, FL, United StatesHQ recorded Sep 21, 2026201-500462 contacts →

Exact match

“Arete helps organizations stay ahead of cyber threats with standardized, intelligence-led detection, response, resolution, and resilience capabilities.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15Exact matchDenver, CO, United StatesHQ recorded Sep 21, 2026201-500408 contacts →

Exact match

“Red Canary stops cyber threats no one else does, so organizations can fearlessly pursue their missions.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16Exact matchBochum, GermanyHQ recorded Sep 21, 2026501-1,000386 contacts →

Exact match

“Progress is our motivation because we are convinced that it will lead us to a successful future – independent of industries, companies and social classes.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17Exact matchSan Diego, CA, United StatesHQ recorded Sep 21, 2026201-500374 contacts →

Exact match

“Ransomware will come for your business.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18Exact match경기도, South KoreaHQ recorded Sep 21, 20265,001-10,000348 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19Exact matchBilbao, SpainHQ recorded Sep 21, 2026501-1,000328 contacts →

Exact match

“Since its inception in 1990, headquartered in Spain, Panda Security has become one of the foremost European company in advanced cybersecurity solutions and services, as well as…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20Exact matchRijswijk, NetherlandsHQ recorded Sep 21, 2026201-500233 contacts →

Exact match

“Fox-IT prevents, solves and mitigates the most serious cyber threats with innovative solutions for government, defense, law enforcement, critical infrastructure, banking, and…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21Exact matchBroomfield, CO, United StatesHQ recorded Sep 21, 2026501-1,000199 contacts →

Exact match

“Webroot, an OpenText company, was the first to harness the cloud and artificial intelligence to stop zero-day threats in real time.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22Exact matchMadrid, SpainHQ recorded Sep 21, 2026201-500191 contacts →

Exact match

“S21Sec, Cyber Solutions by Thales, is a leading European Cybersecurity pure-player, with more than 400 security experts and an Iberian SOC.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23Exact matchPessac, FranceHQ recorded Sep 21, 2026201-500185 contacts →

Exact match

“TEHTRIS is the software editor of the TEHTRIS XDR Platform, the world leader in automatic, real-time, non-human neutralization of cyber attacks.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24Exact matchMiami, FL, United StatesHQ recorded Sep 21, 202651-200178 contacts →

Exact match

“Global Cyber Certainty Champions, in an uncertain digital world.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25Exact matchHolmdel, NJ, United StatesHQ recorded Sep 21, 202651-200177 contacts →

Exact match

“At Index Engines, we are the experts in Cyber Resiliency, helping organizations build an infrastructure where trusted data is available and reliable.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

Showing 25 of 968 ransomware protection companies worldwide

See the full list, filter by size, metro and specialty, and access 15,614 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Ransomware protection companies worldwide at a glance

As of Sep 21, 2026
42.0%Verified-email coverage
38.4Average contacts per company
11-50Median size (employees)
1.8%Largest-city concentration · London
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
423
11-50
359
51-200
111
201-500
27
501-1,000
20
1,001-5,000
21
5,001-10,000
6
10001+
1

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 ransomware protection companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “ransomware 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 15,614 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 21, 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.

Ransomware protection companies by location

4 lists · largest first

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

Countries

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 “ransomware protection companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many ransomware protection companies are there worldwide?

RevenueBase identified 968 company matches for ransomware 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?

Trend Micro tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most ransomware protection companies?

The United States leads with 259 companies, followed by India (106) and the United Kingdom (54). Every ransomware protection companies list by country and city is linked on this page.

Which city has the most ransomware protection companies?

London leads with 17 company records, followed by Dubai (14) and New York (14).

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 15,614 professional contacts with verified work emails tracked across these 968 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 21, 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.