Company lists · Data refreshed November 2026

Top 25 Cyber vulnerability assessment companies worldwide

Name: Cyber vulnerability assessment companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 9,555 companies tracked

RevenueBase identified 9,555 company matches for cyber vulnerability assessment companies worldwide as of November 2026 and tracks 128,766 professional contacts across them, including 34,546 with verified work emails. The United States is the largest market and London the largest hub.

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

9,555Companies

128,766Contacts tracked

34,546Verified emails

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The 25 largest cyber vulnerability assessment companies worldwide

Ranked by team size

Top 25 of 9,555 company matches for cyber vulnerability assessment companies 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	Hackerone	Exact match	San Francisco, CA, United StatesHQ recorded Nov 6, 2026	n/a	5,639 contacts →
	Exact match “HackerOne is a global leader in Continuous Threat Exposure Management (CTEM) and the only solution provider that pairs the simultaneous trust of the Fortune 500 and the world's…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Trellix	Exact match	Plano, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,510 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 · Nov 6, 2026 · View company records in RevenueBase
4	Bugcrowd	Exact match	San Francisco, CA, United StatesHQ recorded Nov 6, 2026	n/a	3,342 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 · Nov 6, 2026 · View company records in RevenueBase
5	Tenable	Exact match	Columbia, MD, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,270 contacts →
	Exact match “Tenable is the exposure management company, exposing and closing the cybersecurity gaps that erode business value, reputation and trust.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	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
7	Forescout Technologies INC	Exact match	San Jose, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,236 contacts →
	Exact match “As AI-driven vulnerability and exploitation accelerate attack velocity to machine speed, Forescout is a foundational cyber defense layer that allows organizations to segment and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	ARMIS	Exact match	San Francisco, United StatesHQ recorded Nov 6, 2026	501-1,000	930 contacts →
	Exact match “Armis, the cyber exposure management & security company, protects the entire attack surface and manages an organization’s cyber risk exposure in real time.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	COBRA	Exact match	London, United KingdomHQ recorded Nov 6, 2026	n/a	782 contacts →
	Exact match “Get a free, powerful security assessment with personalised recommendations, the same analysis that costs from IT Consultancies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	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
11	Bitsight	Exact match	Boston, MA, United StatesHQ recorded Nov 6, 2026	501-1,000	748 contacts →
	Exact match “Bitsight is the global leader in cyber risk intelligence, leveraging advanced AI to empower organizations with precise insights derived from the industry’s most extensive external…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	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
13	Network Intelligence	Exact match	Plano, TX, United StatesHQ recorded Nov 6, 2026	501-1,000	658 contacts →
	Exact match “At Network Intelligence, we combine our team of 500+ security professionals with Transilience – our cutting-edge AI platform.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	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
15	horizon3.ai	Exact match	San Francisco, CA, United StatesHQ recorded Nov 6, 2026	501-1,000	569 contacts →
	Exact match “Horizon3.ai answers the two most important questions in cybersecurity: If someone tried to compromise us, would we hold up?” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	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
17	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
18	Securityscorecard	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	501-1,000	551 contacts →
	Exact match “Funded by world-class investors, including Evolution Equity Partners, Silver Lake Partners, Sequoia Capital, GV, Riverwood Capital, and others, SecurityScorecard is the global…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Pentera	Exact match	Burlington, MA, United StatesHQ recorded Nov 6, 2026	201-500	485 contacts →
	Exact match “Pentera provides AI-powered Automated Security Validation for enterprise security teams.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Acpl Systems	Exact match	Gurgaon, IndiaHQ recorded Nov 6, 2026	201-500	413 contacts →
	Exact match “ACPL Systems is a pure-play cybersecurity services company focused on helping organisations translate security investments into measurable outcomes.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	SK Shieldus	Exact match	경기도, South KoreaHQ recorded Nov 6, 2026	5,001-10,000	411 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Upguard	Exact match	Mountain View, United StatesHQ recorded Nov 6, 2026	201-500	404 contacts →
	Exact match “UpGuard is the only platform that unifies cyber risk management across the vendor supply chain, attack surface, and human workforce.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Neverhack	Exact match	Paris, FranceHQ recorded Nov 6, 2026	1,001-5,000	400 contacts →
	Exact match “NEVERHACK is a French group specialized in cybersecurity for over 40 years.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	G Data Cyberdefense	Exact match	Bochum, GermanyHQ recorded Nov 6, 2026	501-1,000	392 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 · Nov 6, 2026 · View company records in RevenueBase
25	Esec Forte Technologies	Exact match	Gurgaon, IndiaHQ recorded Nov 6, 2026	201-500	385 contacts →
	Exact match “eSec Forte® Technologies is a CMMi Level 3 certified Global Consulting and IT Security Services company with offerings across Cloud Security, Cyber Forensics, Malware Detection…” 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 “cyber vulnerability assessment 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 9,555 cyber vulnerability assessment companies worldwide

See the full list, filter by size, metro and specialty, and access 34,546 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Cyber vulnerability assessment companies worldwide at a glance

As of Nov 6, 2026

26.8%Verified-email coverage

13.5Average contacts per company

1-10Median size (employees)

2.5%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

5,587

11-50

3,114

51-200

659

201-500

120

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 cyber vulnerability assessment companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “cyber vulnerability assessment 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 34,546 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.

Cyber vulnerability assessment companies by location

74 lists · largest first

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

How many cyber vulnerability assessment companies are there worldwide?

RevenueBase identified 9,555 company matches for cyber vulnerability assessment companies 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 cyber vulnerability assessment companies?

The United States leads with 2,165 companies, followed by India (1,043) and the United Kingdom (581). Every cyber vulnerability assessment companies list by country and city is linked on this page.

Which city has the most cyber vulnerability assessment companies?

London leads with 242 company records, followed by Bangalore (119) and Dubai (97).

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 34,546 professional contacts with verified work emails tracked across these 9,555 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.