Company lists · Data refreshed November 2026

Top 25 Ransomware prevention services worldwide

Name: Ransomware prevention services worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 9,325 companies tracked

RevenueBase identified 9,325 company matches for ransomware prevention services worldwide as of November 2026 and tracks 159,753 professional contacts across them, including 48,358 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for ransomware prevention 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 November 6, 2026. Country and city lists for ransomware prevention 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 Nov 6, 2026 How this list was built

9,325Companies

159,753Contacts tracked

48,358Verified emails

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The 25 largest ransomware prevention services worldwide

Ranked by team size

Top 25 of 9,325 company matches for ransomware prevention services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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	Private Sector	Exact match	United StatesHQ recorded Nov 6, 2026	n/a	13,149 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Symantec	Exact match	San Jose, CA, United StatesHQ recorded Nov 6, 2026	10001+	11,878 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 · Nov 6, 2026 · View company records in RevenueBase
3	Sophos	Exact match	Abingdon, United KingdomHQ recorded Nov 6, 2026	5,001-10,000	5,283 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 · Nov 6, 2026 · View company records in RevenueBase
4	Orange Cyberdefense	Exact match	Nanterre, FranceHQ recorded Nov 6, 2026	1,001-5,000	3,977 contacts →
	Exact match “Orange Cyberdefense is the expert cybersecurity business unit of the Orange Group.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Trend Micro	Exact match	Yoyogi, JapanHQ recorded Nov 6, 2026	5,001-10,000	2,797 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 · Nov 6, 2026 · View company records in RevenueBase
6	Bitdefender	Exact match	Bucharest, RomaniaHQ recorded Nov 6, 2026	1,001-5,000	2,274 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 · Nov 6, 2026 · View company records in RevenueBase
7	OPTIV	Exact match	Leawood, KS, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,171 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 · Nov 6, 2026 · View company records in RevenueBase
8	Quick Heal	Exact match	Pune, IndiaHQ recorded Nov 6, 2026	1,001-5,000	1,561 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 · Nov 6, 2026 · View company records in RevenueBase
9	Guidepoint Security	Exact match	Reston, VA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,346 contacts →
	Exact match “GuidePoint Security provides trusted cybersecurity expertise, solutions, and services that help organizations make informed decisions and minimize risk.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Ensign Infosecurity	Exact match	Kuala, SingaporeHQ recorded Nov 6, 2026	501-1,000	989 contacts →
	Exact match “Ensign InfoSecurity is the largest pure-play end-to-end cybersecurity service provider in Asia.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Illumio	Exact match	Sunnyvale, CA, United StatesHQ recorded Nov 6, 2026	501-1,000	879 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 · Nov 6, 2026 · View company records in RevenueBase
12	SISA	Exact match	Bangalore, IndiaHQ recorded Nov 6, 2026	1,001-5,000	755 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 · Nov 6, 2026 · View company records in RevenueBase
13	Trustwave, A Levelblue Company	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	501-1,000	733 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 · Nov 6, 2026 · View company records in RevenueBase
14	Coalition, INC	Exact match	San Francisco, CA, United StatesHQ recorded Nov 6, 2026	501-1,000	718 contacts →
	Exact match “Coalition is the world's first Active Insurance provider designed to help prevent digital risk before it strikes.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	I-Tracing	Exact match	Courbevoie, FranceHQ recorded Nov 6, 2026	1,001-5,000	687 contacts →
	Exact match “I-TRACING, pure player and cybersecurity service provider leader in France, supports over 600 clients around the world in managing their cyber risks, from anticipating threats to…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Group-Ib	Exact match	SingaporeHQ recorded Nov 6, 2026	501-1,000	624 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 · Nov 6, 2026 · View company records in RevenueBase
17	Ultraviolet Cyber	Exact match	Mclean, AZ, United StatesHQ recorded Nov 6, 2026	501-1,000	623 contacts →
	Exact match “UltraViolet Cyber is the only security operations partner that unifies red, blue, and purple team capabilities into one integrated program, finding what's vulnerable, stopping…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Ahnlab, INC	Exact match	Seongnam-si, South KoreaHQ recorded Nov 6, 2026	1,001-5,000	623 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 · Nov 6, 2026 · View company records in RevenueBase
19	Advens	Exact match	Paris, ItalyHQ recorded Nov 6, 2026	501-1,000	617 contacts →
	Exact match “Advens is a European, independent and outstanding leader in cybersecurity.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Arcserve	Exact match	Eden Prairie, United StatesHQ recorded Nov 6, 2026	501-1,000	596 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 · Nov 6, 2026 · View company records in RevenueBase
21	Withsecure	Exact match	Helsinki, FinlandHQ recorded Nov 6, 2026	501-1,000	580 contacts →
	Exact match “Founded in 1988, WithSecure is Europe’s cybersecurity partner of choice.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	own.security	Exact match	Paris, FranceHQ recorded Nov 6, 2026	51-200	558 contacts →
	Exact match “Founded in 2008, OWN is a Pure Player in cybersecurity, with offices in Paris, Rennes and Toulouse, but with a presence throughout France with its fully remote employees.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Paramount Computer Systems	Exact match	Dubai, United Arab EmiratesHQ recorded Nov 6, 2026	201-500	553 contacts →
	Exact match “Protection is Paramount!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Securityhq	Exact match	London, United KingdomHQ recorded Nov 6, 2026	501-1,000	516 contacts →
	Exact match “SecurityHQ, a global cybersecurity company pioneering Security Performance Engineering for stronger operational performance and resilience.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Aujas Cybersecurity	Exact match	Cupertino, United StatesHQ recorded Nov 6, 2026	1,001-5,000	514 contacts →
	Exact match “At Aujas Cybersecurity, we specialize in building and transforming cybersecurity postures to help businesses effectively mitigate risks.” Recorded in the RevenueBase company graph · Nov 6, 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 “ransomware prevention 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 9,325 ransomware prevention services worldwide

See the full list, filter by size, metro and specialty, and access 48,358 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Ransomware prevention services worldwide at a glance

As of Nov 6, 2026

30.3%Verified-email coverage

17.1Average contacts per company

1-10Median size (employees)

2.4%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

5,108

11-50

3,157

51-200

757

201-500

168

501-1,000

1,001-5,000

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 ransomware prevention services are linked below.
What qualifies: Company records worldwide whose business descriptions match “ransomware prevention 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 48,358 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 November 6, 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 prevention services by location

76 lists · largest first

Every Ransomware prevention 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 “ransomware prevention services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many ransomware prevention services are there worldwide?

RevenueBase identified 9,325 company matches for ransomware prevention services worldwide as of November 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?

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

Which country has the most ransomware prevention services?

The United States leads with 2,337 companies, followed by India (844) and the United Kingdom (598). Every ransomware prevention services list by country and city is linked on this page.

Which city has the most ransomware prevention services?

London leads with 223 company records, followed by Dubai (106) and Sao Paulo (89).

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 48,358 professional contacts with verified work emails tracked across these 9,325 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 November 6, 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.