Company lists · Data refreshed November 2026

Top 25 Managed vulnerability management services worldwide

RevenueBase identified 848 company matches for managed vulnerability management services worldwide as of November 2026 and tracks 15,839 professional contacts across them, including 8,132 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for managed vulnerability management 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 managed vulnerability management 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
848Companies
15,839Contacts tracked
8,132Verified emails
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The 25 largest managed vulnerability management services worldwide

Ranked by team size
Top 25 of 848 company matches for managed vulnerability management 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchFoster City, CA, United StatesHQ recorded Nov 6, 20261,001-5,0003,323 contacts →

Exact match

“Qualys, Inc.(NASDAQ: QLYS) is a leading provider of disruptive cloud-based security, compliance and IT solutions with more than subscription customers worldwide, including a…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchColumbia, MD, United StatesHQ recorded Nov 6, 20261,001-5,0002,270 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
3Exact matchKansas City, MO, United StatesHQ recorded Nov 6, 20261,001-5,000909 contacts →

Exact match

“Cyderes is a global managed cybersecurity services partner dedicated to defending against today’s relentless threatscape.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchBurlington, MA, United StatesHQ recorded Nov 6, 2026501-1,000554 contacts →

Exact match

“Veracode is a global leader in Application Risk Management for the AI era.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchAhmedabad, IndiaHQ recorded Nov 6, 2026201-500346 contacts →

Exact match

“TechDefence Labs (TechD Cybersecurity Limited) Award-winning | Innovative | Visionary We empower organizations across the globe to secure their applications, networks, and digital…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchGhent, BelgiumHQ recorded Nov 6, 2026201-500259 contacts →

Exact match

“Software development has changed.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 202651-200245 contacts →

Exact match

“TAC Security (NSE: TAC) TAC Security, a leading publicly listed global cybersecurity company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchAlbuquerque, NM, United StatesHQ recorded Nov 6, 2026201-500243 contacts →

Exact match

“Securin is an AI-native cybersecurity company that helps organizations discover, validate, prioritize, and mobilize against exploitable risk, before attackers can act.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchChennai, IndiaHQ recorded Nov 6, 2026201-500205 contacts →

Exact match

“Since we've been the 'Doctors of Network Security' for Indian enterprises, diagnosing vulnerabilities, prescribing the right solutions, and standing by our customers 24x7.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchNew York, NY, United StatesHQ recorded Nov 6, 202651-200192 contacts →

Exact match

“Zafran is an AI-native exposure management platform that eliminates the manual toil of vulnerability management by cutting through noise, revealing what is truly exploitable, and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchDubai, United Arab EmiratesHQ recorded Nov 6, 202651-200157 contacts →

Exact match

“RNS Technology Services, which has grown massively in the UAE, Qatar, Saudi, Singapore, Malaysia & India, is an international award-winning cybersecurity Value-Added Reseller and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchMenlo Park, CA, United StatesHQ recorded Nov 6, 202651-200146 contacts →

Exact match

“RedSeal is an agentless, AI enabled exposure management platform for hybrid and remote infrastructure.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchPune, NY, IndiaHQ recorded Nov 6, 202651-200146 contacts →

Exact match

“SecureLayer7 is a CREST accredited advanced offensive security solutions provider, combining deep expertise with innovative products to protect modern digital enterprises.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSarasota, FL, United StatesHQ recorded Nov 6, 202651-200126 contacts →

Exact match

“Nucleus is the exposure management platform enterprise and government security leaders rely on to reduce cyber risk at scale.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchTampa, FL, United StatesHQ recorded Nov 6, 202651-200117 contacts →

Exact match

“ConnectSecure empowers information security professionals to safeguard their business-critical data from vulnerabilities and exploits.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchOsnabrueck, GermanyHQ recorded Nov 6, 202651-200110 contacts →

Exact match

“With over installations worldwide, Greenbone is the most widely used provider of open source vulnerability management.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchLeeds, United KingdomHQ recorded Nov 6, 202651-200106 contacts →

Exact match

“AppCheck is a Complete Enterprise Security Testing Solution that provides up to the minute vulnerability coverage for your entire estate.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchNew York, NY, United StatesHQ recorded Nov 6, 202651-200104 contacts →

Exact match

“Vicarius is a cybersecurity company focused on turning vulnerability management into real remediation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchPlano, TX, United StatesHQ recorded Nov 6, 202651-200102 contacts →

Exact match

“Strobes | Autonomous Pentesting & Exposure Validation Platform Strobes is the AI-powered CTEM platform that unites Autonomous Pentesting and Exposure Validation so security teams…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchMontreal, CanadaHQ recorded Nov 6, 202651-20099 contacts →

Exact match

“SecureOps is a global managed security services provider (MSSP) with 25 years of experience strengthening the security maturity and resilience of enterprises and commercial…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchRockwall, TX, United StatesHQ recorded Nov 6, 2026n/a99 contacts →

Exact match

“My Computer Guy is a premier Cybersecurity-focused Managed Service Provider (MSP) dedicated to safeguarding businesses in the Dallas-Fort Worth (DFW) area.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchStockholm, SwedenHQ recorded Nov 6, 202651-20094 contacts →

Exact match

“Founded by a group of hackers in 2013, Stockholm-based Detectify is an application security platform trusted by over 2,100 organizations globally, from high-growth startups to the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchDublin, IrelandHQ recorded Nov 6, 202651-20094 contacts →

Exact match

“Edgescan is a unified platform for Continuous Security Testing, Exposure Management, and Penetration Testing as a Service (PTaaS).”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchChennai, CA, IndiaHQ recorded Nov 6, 202651-20092 contacts →

Exact match

“Infoziant IT Solutions Inc is a Hall of Fame Information Security company, recognized by industry giants like Apple, Microsoft, Google, United Nations, Australian Govt, Dutch…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchKuala Lumpur, MalaysiaHQ recorded Nov 6, 202651-20091 contacts →

Exact match

“Sysarmy is a Managed Security Services Provider (MSSP) focuses on protecting enterprises, governments and GLCs via our 24x7 and ISMS complied Security Operations Center (SOC).”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 848 managed vulnerability management services worldwide

See the full list, filter by size, metro and specialty, and access 8,132 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Managed vulnerability management services worldwide at a glance

As of Nov 6, 2026
51.3%Verified-email coverage
18.7Average contacts per company
1-10Median size (employees)
2.4%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
486
11-50
262
51-200
81
201-500
9
501-1,000
2
1,001-5,000
5

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 managed vulnerability management services are linked below.
What qualifies
Company records worldwide whose business descriptions match “managed vulnerability management 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 8,132 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.

Managed vulnerability management services by location

4 lists · largest first

Every Managed vulnerability management services 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 “managed vulnerability management services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many managed vulnerability management services are there worldwide?

RevenueBase identified 848 company matches for managed vulnerability management 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?

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

Which country has the most managed vulnerability management services?

The United States leads with 290 companies, followed by India (75) and the United Kingdom (53). Every managed vulnerability management services list by country and city is linked on this page.

Which city has the most managed vulnerability management services?

London leads with 20 company records, followed by New York (16) and San Francisco (11).

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 8,132 professional contacts with verified work emails tracked across these 848 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.