Company lists · Data refreshed September 2026
Top 25 Intrusion detection companies worldwide
RevenueBase identified 1,810 company matches for intrusion detection companies worldwide as of September 2026 and tracks 80,896 professional contacts across them, including 36,459 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for intrusion detection 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 20, 2026. Country and city lists for intrusion detection 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.
The 25 largest intrusion detection companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 18,431 contacts → | ||||
Exact match “Palo Alto Networks, the global cybersecurity leader, is shaping the cloud-centric future with technology that is transforming the way people and organizations operate.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 2 | 14,289 contacts → | ||||
Exact match “Fortinet makes possible a digital world that we can always trust through its mission to protect people, devices, and data everywhere.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 3 | 3,649 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 · Sep 20, 2026 · View company records in RevenueBase | |||||
| 4 | 3,052 contacts → | ||||
Exact match “SentinelOne is the world's leading AI-powered cybersecurity platform.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 5 | 2,813 contacts → | ||||
Exact match “Infoblox unites networking and security to deliver unmatched performance and protection.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 6 | 2,172 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 20, 2026 · View company records in RevenueBase | |||||
| 7 | 1,030 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 8 | 904 contacts → | ||||
Exact match “ZeroFox is the solution to discover, validate, and disrupt external cyber threats before they harm revenue or reputation.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 9 | 876 contacts → | ||||
Exact match “Exabeam is the leader in Behavior Intelligence for the agentic enterprise.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 10 | 856 contacts → | ||||
Exact match “Allot Ltd.(NASDAQ: ALLT, TASE: ALLT) is a provider of leading innovative converged cybersecurity solutions and network intelligence for service providers and enterprises…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 11 | 743 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 20, 2026 · View company records in RevenueBase | |||||
| 12 | 726 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 · Sep 20, 2026 · View company records in RevenueBase | |||||
| 13 | 696 contacts → | ||||
Exact match “Protect Your Endpoints, Identities, Logs, and Employees.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 14 | 651 contacts → | ||||
Exact match “Vectra AI is the cybersecurity AI leader in protecting modern networks from modern attacks.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 15 | 593 contacts → | ||||
Exact match “We are a European cybersecurity company that helps businesses secure critical data and communications between systems, automated applications, and people with defensive…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 16 | 586 contacts → | ||||
Exact match “Advens is a European, independent and outstanding leader in cybersecurity.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 17 | 581 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 20, 2026 · View company records in RevenueBase | |||||
| 18 | 528 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 20, 2026 · View company records in RevenueBase | |||||
| 19 | 386 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 20, 2026 · View company records in RevenueBase | |||||
| 20 | 348 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 21 | 338 contacts → | ||||
Exact match “Sentar, an employee-owned company, is a leading cyber-intelligence solutions provider focused on the National Security sector.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 22 | 325 contacts → | ||||
Exact match “Gurucul is a security analytics company founded in data science that delivers radical clarity about cyber risk.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 23 | 317 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 · Sep 20, 2026 · View company records in RevenueBase | |||||
| 24 | 303 contacts → | ||||
Exact match “Dexis is a mission-driven security analytics company that helps U.S.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 25 | 302 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 · Sep 20, 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 “intrusion detection 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 1,810 intrusion detection companies worldwide
See the full list, filter by size, metro and specialty, and access 36,459 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Intrusion detection companies worldwide at a glance
As of Sep 20, 2026Companies by employee count
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 companies are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “intrusion detection 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 36,459 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 20, 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 companies by location
13 lists · largest firstEvery Intrusion detection companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Intrusion detection companies based in the United States491
- Intrusion detection companies based in India119
- Intrusion detection companies based in the United Kingdom94
- Intrusion detection companies based in France55
- Intrusion detection companies based in Italy51
- Intrusion detection companies based in Canada50
- Intrusion detection companies based in Germany44
- Intrusion detection companies based in Brazil37
- Intrusion detection companies based in Israel32
- Intrusion detection companies based in Spain32
- Intrusion detection companies based in Australia31
- Intrusion detection companies based in the Netherlands28
- Intrusion detection companies based in Türkiye27
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 companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many intrusion detection companies are there worldwide?
RevenueBase identified 1,810 company matches for intrusion detection 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?
Palo Alto Networks tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most intrusion detection companies?
The United States leads with 491 companies, followed by India (119) and the United Kingdom (94). Every intrusion detection companies list by country and city is linked on this page.
Which city has the most intrusion detection companies?
London leads with 38 company records, followed by New York (19) and Sao Paulo (19).
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 36,459 professional contacts with verified work emails tracked across these 1,810 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 20, 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.
More company lists
Company intelligence · public preview
Top 25 intrusion detection companies worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,810 matching company records for intrusion detection companies worldwide, with 80,896 tracked contacts and 36,459 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 20, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 intrusion detection companies worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Palo Alto Networkspaloaltonetworks.comHQ: Santa Clara, CA, United StatesReported employees: 10001+ | Santa Clara, CA, United States | 10001+ | Exact match | 18,431 contacts → |
“Palo Alto Networks, the global cybersecurity leader, is shaping the cloud-centric future with technology that is transforming the way people and organizations operate.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Fortinetfortinet.comHQ: Sunnyvale, CA, United StatesReported employees: 10001+ | Sunnyvale, CA, United States | 10001+ | Exact match | 14,289 contacts → |
“Fortinet makes possible a digital world that we can always trust through its mission to protect people, devices, and data everywhere.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Bugcrowdbugcrowd.comHQ: San Francisco, CA, United StatesReported employees: Not recorded | San Francisco, CA, United States | Not recorded | Exact match | 3,649 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Sentinelonesentinelone.comHQ: Mountain View, CA, United StatesReported employees: 1,001-5,000 | Mountain View, CA, United States | 1,001-5,000 | Exact match | 3,052 contacts → |
“SentinelOne is the world's leading AI-powered cybersecurity platform.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Infobloxinfoblox.comHQ: Santa Clara, CA, United StatesReported employees: 1,001-5,000 | Santa Clara, CA, United States | 1,001-5,000 | Exact match | 2,813 contacts → |
“Infoblox unites networking and security to deliver unmatched performance and protection.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Bitdefenderbitdefender.comHQ: Bucuresti, RomaniaReported employees: 1,001-5,000 | Bucuresti, Romania | 1,001-5,000 | Exact match | 2,172 contacts → |
“Bitdefender is a cybersecurity leader delivering best-in-class threat prevention, detection, and response solutions worldwide.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Recorded Futurerecordedfuture.comHQ: Boston, MA, United StatesReported employees: 501-1,000 | Boston, MA, United States | 501-1,000 | Exact match | 1,030 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 8 |  Zerofoxzerofox.comHQ: Baltimore, MD, United StatesReported employees: 501-1,000 | Baltimore, MD, United States | 501-1,000 | Exact match | 904 contacts → |
“ZeroFox is the solution to discover, validate, and disrupt external cyber threats before they harm revenue or reputation.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Exabeamexabeam.comHQ: Broomfield, CO, United StatesReported employees: 501-1,000 | Broomfield, CO, United States | 501-1,000 | Exact match | 876 contacts → |
“Exabeam is the leader in Behavior Intelligence for the agentic enterprise.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  ALLOTallot.comHQ: Hod-hasharon, IsraelReported employees: 501-1,000 | Hod-hasharon, Israel | 501-1,000 | Exact match | 856 contacts → |
“Allot Ltd.(NASDAQ: ALLT, TASE: ALLT) is a provider of leading innovative converged cybersecurity solutions and network intelligence for service providers and enterprises…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  SISAsisa.aiHQ: Bengaluru, IndiaReported employees: 201-500 | Bengaluru, India | 201-500 | Exact match | 743 contacts → |
“SISA is a global forensics-driven cybersecurity solutions company, trusted by leading organizations for securing their businesses with robust preventive, detective, and corrective…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Extrahopextrahop.comHQ: Seattle, WA, United StatesReported employees: 501-1,000 | Seattle, WA, United States | 501-1,000 | Exact match | 726 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Huntresshuntress.comHQ: Columbia, MD, United StatesReported employees: 501-1,000 | Columbia, MD, United States | 501-1,000 | Exact match | 696 contacts → |
“Protect Your Endpoints, Identities, Logs, and Employees.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Vectra AIvectra.aiHQ: San Jose, CA, United StatesReported employees: 501-1,000 | San Jose, CA, United States | 501-1,000 | Exact match | 651 contacts → |
“Vectra AI is the cybersecurity AI leader in protecting modern networks from modern attacks.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  SSH Communications Securityssh.comHQ: Helsinki, FinlandReported employees: 51-200 | Helsinki, Finland | 51-200 | Exact match | 593 contacts → |
“We are a European cybersecurity company that helps businesses secure critical data and communications between systems, automated applications, and people with defensive…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Advensadvens.comHQ: Paris, ItalyReported employees: 501-1,000 | Paris, Italy | 501-1,000 | Exact match | 586 contacts → |
“Advens is a European, independent and outstanding leader in cybersecurity.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Ahnlab, INCahnlab.comHQ: Seongnam-si, South KoreaReported employees: 1,001-5,000 | Seongnam-si, South Korea | 1,001-5,000 | Exact match | 581 contacts → |
“Founded in 1995, AhnLab, Inc, the global cybersecurity company, delivers comprehensive protection for endpoints, networks, transactions, and essential services.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Group-Ibgroup-ib.comHQ: SingaporeReported employees: 501-1,000 | Singapore | 501-1,000 | Exact match | 528 contacts → |
“Founded in 2003 and headquartered in Singapore, Group-IB is a leading creator of cybersecurity technologies to investigate, prevent, and fight digital crime.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  G Data Cyberdefensegdata.deHQ: Bochum, GermanyReported employees: 501-1,000 | Bochum, Germany | 501-1,000 | Exact match | 386 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  SK Shieldusskshieldus.comHQ: 경기도, South KoreaReported employees: 5,001-10,000 | 경기도, South Korea | 5,001-10,000 | Exact match | 348 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 |  Sentar INCsentar.comHQ: Huntsville, AL, United StatesReported employees: 201-500 | Huntsville, AL, United States | 201-500 | Exact match | 338 contacts → |
“Sentar, an employee-owned company, is a leading cyber-intelligence solutions provider focused on the National Security sector.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Guruculgurucul.comHQ: El Segundo, CA, United StatesReported employees: 201-500 | El Segundo, CA, United States | 201-500 | Exact match | 325 contacts → |
“Gurucul is a security analytics company founded in data science that delivers radical clarity about cyber risk.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  ONTIContic.aiHQ: Austin, TX, United StatesReported employees: 201-500 | Austin, TX, United States | 201-500 | Exact match | 317 contacts → |
“At Ontic, you’ll join a team driven by collaboration, innovation, and a shared sense of purpose.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  DEXISdexisonline.comHQ: Arlington, VA, United StatesReported employees: 51-200 | Arlington, VA, United States | 51-200 | Exact match | 303 contacts → |
“Dexis is a mission-driven security analytics company that helps U.S.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Sonitrolsonitrol.comHQ: Indianapolis, United StatesReported employees: 10001+ | Indianapolis, United States | 10001+ | Exact match | 302 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,810 company matches
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Intrusion detection companies: dataset insights
September 20, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,808 records in the displayed employee bands.
2 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 1,810 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 20, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Intrusion detection companies by location
13 lists · largest firstEvery Intrusion detection companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Intrusion detection companies based in the United States491
- Intrusion detection companies based in India119
- Intrusion detection companies based in the United Kingdom94
- Intrusion detection companies based in France55
- Intrusion detection companies based in Italy51
- Intrusion detection companies based in Canada50
- Intrusion detection companies based in Germany44
- Intrusion detection companies based in Brazil37
- Intrusion detection companies based in Israel32
- Intrusion detection companies based in Spain32
- Intrusion detection companies based in Australia31
- Intrusion detection companies based in the Netherlands28
- Intrusion detection companies based in Türkiye27
Questions about this company list
What does Exact match mean for intrusion detection companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many intrusion detection companies did RevenueBase find worldwide?
The saved snapshot records 1,810 matching company records, 80,896 tracked contacts and 36,459 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 20, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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Cite this list
RevenueBase Data Team. Top 25 intrusion detection companies worldwide. Snapshot: September 20, 2026. https://revenuebase.ai/companies/browse/intrusion-detection-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 intrusion detection companies worldwide
RevenueBase records 1,810 matching company records for intrusion detection companies worldwide, with 80,896 tracked contacts and 36,459 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 20, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 intrusion detection companies worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Palo Alto Networkspaloaltonetworks.com HQ: Santa Clara, CA, United StatesReported employees: 10001+ | Santa Clara, CA, United States | 10001+ | Exact match | 18,431 contacts → |
“Palo Alto Networks, the global cybersecurity leader, is shaping the cloud-centric future with technology that is transforming the way people and organizations operate.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Fortinetfortinet.com HQ: Sunnyvale, CA, United StatesReported employees: 10001+ | Sunnyvale, CA, United States | 10001+ | Exact match | 14,289 contacts → |
“Fortinet makes possible a digital world that we can always trust through its mission to protect people, devices, and data everywhere.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Bugcrowdbugcrowd.com HQ: San Francisco, CA, United StatesReported employees: Not recorded | San Francisco, CA, United States | Not recorded | Exact match | 3,649 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Sentinelonesentinelone.com HQ: Mountain View, CA, United StatesReported employees: 1,001-5,000 | Mountain View, CA, United States | 1,001-5,000 | Exact match | 3,052 contacts → |
“SentinelOne is the world's leading AI-powered cybersecurity platform.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Infobloxinfoblox.com HQ: Santa Clara, CA, United StatesReported employees: 1,001-5,000 | Santa Clara, CA, United States | 1,001-5,000 | Exact match | 2,813 contacts → |
“Infoblox unites networking and security to deliver unmatched performance and protection.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Bitdefenderbitdefender.com HQ: Bucuresti, RomaniaReported employees: 1,001-5,000 | Bucuresti, Romania | 1,001-5,000 | Exact match | 2,172 contacts → |
“Bitdefender is a cybersecurity leader delivering best-in-class threat prevention, detection, and response solutions worldwide.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Recorded Futurerecordedfuture.com HQ: Boston, MA, United StatesReported employees: 501-1,000 | Boston, MA, United States | 501-1,000 | Exact match | 1,030 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 8 | Zerofoxzerofox.com HQ: Baltimore, MD, United StatesReported employees: 501-1,000 | Baltimore, MD, United States | 501-1,000 | Exact match | 904 contacts → |
“ZeroFox is the solution to discover, validate, and disrupt external cyber threats before they harm revenue or reputation.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Exabeamexabeam.com HQ: Broomfield, CO, United StatesReported employees: 501-1,000 | Broomfield, CO, United States | 501-1,000 | Exact match | 876 contacts → |
“Exabeam is the leader in Behavior Intelligence for the agentic enterprise.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | ALLOTallot.com HQ: Hod-hasharon, IsraelReported employees: 501-1,000 | Hod-hasharon, Israel | 501-1,000 | Exact match | 856 contacts → |
“Allot Ltd.(NASDAQ: ALLT, TASE: ALLT) is a provider of leading innovative converged cybersecurity solutions and network intelligence for service providers and enterprises…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | SISAsisa.ai HQ: Bengaluru, IndiaReported employees: 201-500 | Bengaluru, India | 201-500 | Exact match | 743 contacts → |
“SISA is a global forensics-driven cybersecurity solutions company, trusted by leading organizations for securing their businesses with robust preventive, detective, and corrective…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Extrahopextrahop.com HQ: Seattle, WA, United StatesReported employees: 501-1,000 | Seattle, WA, United States | 501-1,000 | Exact match | 726 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Huntresshuntress.com HQ: Columbia, MD, United StatesReported employees: 501-1,000 | Columbia, MD, United States | 501-1,000 | Exact match | 696 contacts → |
“Protect Your Endpoints, Identities, Logs, and Employees.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Vectra AIvectra.ai HQ: San Jose, CA, United StatesReported employees: 501-1,000 | San Jose, CA, United States | 501-1,000 | Exact match | 651 contacts → |
“Vectra AI is the cybersecurity AI leader in protecting modern networks from modern attacks.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | SSH Communications Securityssh.com HQ: Helsinki, FinlandReported employees: 51-200 | Helsinki, Finland | 51-200 | Exact match | 593 contacts → |
“We are a European cybersecurity company that helps businesses secure critical data and communications between systems, automated applications, and people with defensive…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Advensadvens.com HQ: Paris, ItalyReported employees: 501-1,000 | Paris, Italy | 501-1,000 | Exact match | 586 contacts → |
“Advens is a European, independent and outstanding leader in cybersecurity.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Ahnlab, INCahnlab.com HQ: Seongnam-si, South KoreaReported employees: 1,001-5,000 | Seongnam-si, South Korea | 1,001-5,000 | Exact match | 581 contacts → |
“Founded in 1995, AhnLab, Inc, the global cybersecurity company, delivers comprehensive protection for endpoints, networks, transactions, and essential services.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Group-Ibgroup-ib.com HQ: SingaporeReported employees: 501-1,000 | Singapore | 501-1,000 | Exact match | 528 contacts → |
“Founded in 2003 and headquartered in Singapore, Group-IB is a leading creator of cybersecurity technologies to investigate, prevent, and fight digital crime.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | G Data Cyberdefensegdata.de HQ: Bochum, GermanyReported employees: 501-1,000 | Bochum, Germany | 501-1,000 | Exact match | 386 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | SK Shieldusskshieldus.com HQ: 경기도, South KoreaReported employees: 5,001-10,000 | 경기도, South Korea | 5,001-10,000 | Exact match | 348 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | Sentar INCsentar.com HQ: Huntsville, AL, United StatesReported employees: 201-500 | Huntsville, AL, United States | 201-500 | Exact match | 338 contacts → |
“Sentar, an employee-owned company, is a leading cyber-intelligence solutions provider focused on the National Security sector.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Guruculgurucul.com HQ: El Segundo, CA, United StatesReported employees: 201-500 | El Segundo, CA, United States | 201-500 | Exact match | 325 contacts → |
“Gurucul is a security analytics company founded in data science that delivers radical clarity about cyber risk.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | ONTIContic.ai HQ: Austin, TX, United StatesReported employees: 201-500 | Austin, TX, United States | 201-500 | Exact match | 317 contacts → |
“At Ontic, you’ll join a team driven by collaboration, innovation, and a shared sense of purpose.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | DEXISdexisonline.com HQ: Arlington, VA, United StatesReported employees: 51-200 | Arlington, VA, United States | 51-200 | Exact match | 303 contacts → |
“Dexis is a mission-driven security analytics company that helps U.S.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Sonitrolsonitrol.com HQ: Indianapolis, United StatesReported employees: 10001+ | Indianapolis, United States | 10001+ | Exact match | 302 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Intrusion detection companies: dataset insights
September 20, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,808 records in the displayed employee bands.
2 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 1,810 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 20, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Intrusion detection companies by location
13 lists · largest firstEvery Intrusion detection companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Intrusion detection companies based in the United States491
- Intrusion detection companies based in India119
- Intrusion detection companies based in the United Kingdom94
- Intrusion detection companies based in France55
- Intrusion detection companies based in Italy51
- Intrusion detection companies based in Canada50
- Intrusion detection companies based in Germany44
- Intrusion detection companies based in Brazil37
- Intrusion detection companies based in Israel32
- Intrusion detection companies based in Spain32
- Intrusion detection companies based in Australia31
- Intrusion detection companies based in the Netherlands28
- Intrusion detection companies based in Türkiye27
Questions about this company list
What does Exact match mean for intrusion detection companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many intrusion detection companies did RevenueBase find worldwide?
The saved snapshot records 1,810 matching company records, 80,896 tracked contacts and 36,459 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 20, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
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Cite this list
RevenueBase Data Team. Top 25 intrusion detection companies worldwide. Snapshot: September 20, 2026. https://revenuebase.ai/companies/browse/intrusion-detection-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗