Company lists · Data refreshed November 2026

Top 25 Intrusion detection system companies worldwide

RevenueBase identified 2,009 company matches for intrusion detection system companies worldwide as of November 2026 and tracks 44,630 professional contacts across them, including 15,838 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for intrusion detection system 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 intrusion detection system 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
2,009Companies
44,630Contacts tracked
15,838Verified emails
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The 25 largest intrusion detection system companies worldwide

Ranked by team size
Top 25 of 2,009 company matches for intrusion detection system 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchPlano, TX, United StatesHQ recorded Nov 6, 20261,001-5,0003,510 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
2Exact matchEden Prairie, United StatesHQ recorded Nov 6, 20261,001-5,0003,355 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 · Nov 6, 2026 · View company records in RevenueBase
3Exact matchMountain View, CA, United StatesHQ recorded Nov 6, 20261,001-5,0003,154 contacts →

Exact match

“SentinelOne is the world's leading AI-powered cybersecurity platform.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchWest Palm Beach, TN, United StatesHQ recorded Nov 6, 2026501-1,000927 contacts →

Exact match

“Security 101® is a nationwide leader in designing, installing, and maintaining advanced security systems tailored to the unique needs of organizations of all sizes.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchBroomfield, CO, United StatesHQ recorded Nov 6, 2026501-1,000856 contacts →

Exact match

“Exabeam is the leader in Behavior Intelligence for the agentic enterprise.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchColumbia, MD, United StatesHQ recorded Nov 6, 2026501-1,000831 contacts →

Exact match

“Protect Your Endpoints, Identities, Logs, and Employees.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchSeattle, United StatesHQ recorded Nov 6, 2026501-1,000756 contacts →

Exact match

“ExtraHop is a leader in real-time network intelligence, empowering organizations with the high-fidelity context they need to power security and IT AI automation, detect risks…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchBangalore, IndiaHQ recorded Nov 6, 20261,001-5,000755 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
9Exact matchSingaporeHQ recorded Nov 6, 2026501-1,000624 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
10Exact matchAustin, TX, United StatesHQ recorded Nov 6, 2026201-500361 contacts →

Exact match

“At Ontic, you’ll join a team driven by collaboration, innovation, and a shared sense of purpose.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchAustin, United StatesHQ recorded Nov 6, 2026201-500359 contacts →

Exact match

“Moving security forward-intelligently, confidently, together.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchEl Segundo, CA, United StatesHQ recorded Nov 6, 2026201-500349 contacts →

Exact match

“Adversarial AI on the outside, rogue AI on the inside - attacks that took days now run in minutes, and every enterprise is filling with AI agents nobody's watching.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchBilbao, SpainHQ recorded Nov 6, 2026501-1,000339 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 · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSantiago, ChileHQ recorded Nov 6, 2026201-500336 contacts →

Exact match

“Novared is a leading Security Services Provider founded in 1995.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchPrinceton, NJ, United StatesHQ recorded Nov 6, 2026201-500327 contacts →

Exact match

“In the ever-growing world of Cloud Computing, Big Data and the Internet of Things, NIKSUN® is the industry leader in making the unknown known.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchIndianapolis, United StatesHQ recorded Nov 6, 202610001+324 contacts →

Exact match

“Sonitrol is the industry leader in verified electronic security and provides customers with a single source of integrated security solutions for intrusion, video, access and fire.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchWettingen, SwitzerlandHQ recorded Nov 6, 2026501-1,000290 contacts →

Exact match

“As a leading IT security enterprise, the SITS Group stands for end-to-end security.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchSan Juan, United StatesHQ recorded Nov 6, 20261,001-5,000267 contacts →

Exact match

“GM Sectec is a multi-national organization laser focused on cyber defense, advisory and fraud prevention.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchMiami, FL, United StatesHQ recorded Nov 6, 2026201-500263 contacts →

Exact match

“We are Cipher, a company from the Prosegur group specializing in Cybersecurity.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchSanta Ana, CA, United StatesHQ recorded Nov 6, 2026201-500262 contacts →

Exact match

“Hirsch is a global leader in unified security solutions, helping enterprise and SMB organisations integrate perimeter security, intrusion detection, access control, video…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchSparks, MD, United StatesHQ recorded Nov 6, 2026201-500256 contacts →

Exact match

“For over 50 years, Wittenbach has been a trusted leader in advanced security solutions in financial and commercial industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchRijswijk, NetherlandsHQ recorded Nov 6, 2026201-500232 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 · Nov 6, 2026 · View company records in RevenueBase
23Exact matchSalt Lake City, CA, United StatesHQ recorded Nov 6, 2026201-500210 contacts →

Exact match

“Stone Security has been driving the implementation of network-based surveillance, access control and intrusion systems for over 15 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchEllicott City, MD, United StatesHQ recorded Nov 6, 202651-200209 contacts →

Exact match

“Blackpoint Cyber is a technology-driven cybersecurity company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchNew York, NY, United StatesHQ recorded Nov 6, 2026201-500206 contacts →

Exact match

“Since 1969, thousands of businesses across the country have entrusted their protection to DGA Security.”

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

Showing 25 of 2,009 intrusion detection system companies worldwide

See the full list, filter by size, metro and specialty, and access 15,838 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Intrusion detection system companies worldwide at a glance

As of Nov 6, 2026
35.5%Verified-email coverage
22.2Average contacts per company
11-50Median size (employees)
1.3%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
861
11-50
743
51-200
274
201-500
60
501-1,000
25
1,001-5,000
17
5,001-10,000
5
10001+
8

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 intrusion detection system companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “intrusion detection system 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 15,838 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.

Intrusion detection system companies by location

15 lists · largest first

Every Intrusion detection system 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 “intrusion detection system companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many intrusion detection system companies are there worldwide?

RevenueBase identified 2,009 company matches for intrusion detection system 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?

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

Which country has the most intrusion detection system companies?

The United States leads with 448 companies, followed by France (103) and India (102). Every intrusion detection system companies list by country and city is linked on this page.

Which city has the most intrusion detection system companies?

London leads with 26 company records, followed by New York (19) and Sao Paulo (17).

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 15,838 professional contacts with verified work emails tracked across these 2,009 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.