Company lists · Data refreshed October 2026
Top 25 Cybersecurity services firms based in Japan
RevenueBase identified 85 company matches for cybersecurity services firms associated with Japan as of October 2026 and tracks 6,020 professional contacts across them, including 1,999 with verified work emails. Jing is the largest hub.
This list covers company matches for cybersecurity services firms associated with Japan, 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 October 1, 2026.
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 cybersecurity services firms based in Japan
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 4,942 contacts → | ||||
Exact match “We’re a global cybersecurity leader, helping to make the world safe for exchanging digital information.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 2 | 225 contacts → | ||||
Exact match “NRIITNRI NRI SecureTechnologies is a global service provider of next-generation Managed Security Services, cutting-edge Blockchain Security Solutions, and Consulting Services with…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 3 | 73 contacts → | ||||
Exact match “With a vision to secure the vehicles of tomorrow, VicOne delivers a broad portfolio of cybersecurity software and services for the automotive industry.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 4 | 53 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 5 | 38 contacts → | ||||
Exact match “GMO Flatt Security, based in Tokyo, offers expert security assessments and penetration testing for software.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 6 | 22 contacts → | ||||
Exact match “Proofpoint, Inc.NASDAQ:PFPT Proofpoint Fortune” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 7 | 22 contacts → | ||||
Exact match “1.()\t2.\t3.()” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 8 | 20 contacts → | ||||
Exact match “E-guardian is a "Comprehensive Internet Security Company" that provide a one-stop solution to all your internet security needs through: Post Monitoring, Customer Support…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 9 | 20 contacts → | ||||
Exact match “Pipeline Co.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 10 | 17 contacts → | ||||
Exact match “Protecting the Digital Future with Advanced Threat Detection At NTT Security (Japan) K.K, we specialize in cutting-edge cyber threat detection and response, helping businesses…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 11 | 16 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 12 | 15 contacts → | ||||
Exact match “Only humans can counter human-driven threat.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 13 | 14 contacts → | ||||
Exact match “R&d | 500 | ctf” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 14 | 13 contacts → | ||||
Exact match “For over 20 years, NTT has provided proactive cyber defense and services that make use of gathered human resources and intelligence to protect our clients, our society and the…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 15 | 13 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 16 | 12 contacts → | ||||
Exact match “Since its founding in in Tokyo, Japan, Humming Heads has put a great amount of efforts in developing cyber security software solutions.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 17 | 10 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 18 | 8 contacts → | ||||
Exact match “ESET ESET “ (Progress)”ESET“ (Protect)” ESET – Progress.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 19 | 8 contacts → | ||||
Exact match “VarioSecure offers its services to any enterprise using the Internet.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 20 | 6 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 21 | 6 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 22 | 5 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 23 | 3 contacts → | ||||
Exact match “Semita is proud to announce it has been selected as the 2022 Cybersecurity company of the the year by APAC CIO Outlook!” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 24 | 3 contacts → | ||||
Exact match “IPO https://machinarecord.com/recruit/” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 25 | 2 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 1, 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 “cybersecurity services firms”. 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 85 cybersecurity services firms based in Japan
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Cybersecurity services firms based in Japan at a glance
As of Oct 1, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Japan, so it is reported there. Company counts and contact totals on this page are exact for Japan, over 85 companies.
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.
- What qualifies
- Company records associated with Japan whose business descriptions match “cybersecurity services firms” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 1,999 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 October 1, 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.
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 “cybersecurity services firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many cybersecurity services firms are there based in Japan?
RevenueBase identified 85 company matches for cybersecurity services firms associated with Japan as of October 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?
Trend Micro tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most cybersecurity services firms?
Jing leads with 22 company records, followed by Tokyo (16) and Minato (2).
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 1,999 professional contacts with verified work emails tracked across these 85 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 October 1, 2026.
Ready to reach these companies? Verified emails and direct dials for all 85 cybersecurity services firms based in Japan. Start with a free account, no credit card.
Download this list →Related lists
Cybersecurity services firms by geography
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- Cybersecurity services firms based in Canberra, Australia
- Cybersecurity services firms based in Melbourne, Australia
- Cybersecurity services firms based in Perth, Australia
- Cybersecurity services firms based in Sydney, Australia
- Cybersecurity services firms based in Vienna, Austria
- Cybersecurity services firms based in Dhaka, Bangladesh
- Cybersecurity services firms based in Barueri, Brazil
- Cybersecurity services firms based in Belo Horizonte, Brazil
- Cybersecurity services firms based in Brasilia, Brazil
Browse the directory
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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Cybersecurity services firms based in Buenos Aires, Argentina
- Cybersecurity services firms based in Adelaide, Australia
- Cybersecurity services firms based in Brisbane, Australia
- Cybersecurity services firms based in Canberra, Australia
- Cybersecurity services firms based in Melbourne, Australia
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Company intelligence · public preview
Top 25 cybersecurity services firms based in Japan
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 85 matching company records for cybersecurity services firms based in Japan, with 6,020 tracked contacts and 1,999 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: October 1, 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 cybersecurity services firms based in Japan
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 | Trend Microtrendmicro.com HQ: Yoyogi, JapanReported employees: 5,001-10,000 | Yoyogi, Japan | 5,001-10,000 | Exact match | 4,942 contacts → |
“We’re a global cybersecurity leader, helping to make the world safe for exchanging digital information.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Nriセキュアテクノロジーズ株式会社 NRI Securetechnologies, LTDnri-secure.co.jpHQ: 千代田区, JapanReported employees: 501-1,000 | 千代田区, Japan | 501-1,000 | Exact match | 225 contacts → |
“NRIITNRI NRI SecureTechnologies is a global service provider of next-generation Managed Security Services, cutting-edge Blockchain Security Solutions, and Consulting Services with…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Viconevicone.comHQ: Tokyo, JapanReported employees: 51-200 | Tokyo, Japan | 51-200 | Exact match | 73 contacts → |
“With a vision to secure the vehicles of tomorrow, VicOne delivers a broad portfolio of cybersecurity software and services for the automotive industry.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Gmoサイバーセキュリティ Byイエラエ株式会社gmo-cybersecurity.comHQ: 渋谷区, JapanReported employees: 51-200 | 渋谷区, Japan | 51-200 | Exact match | 53 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 5 |  GMO Flatt Security INCflatt.techHQ: 渋谷区, JapanReported employees: Not recorded | 渋谷区, Japan | Not recorded | Exact match | 38 contacts → |
“GMO Flatt Security, based in Tokyo, offers expert security assessments and penetration testing for software.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  日本プルーフポイント株式会社proofpoint.comHQ: 港区, JapanReported employees: 11-50 | 港区, Japan | 11-50 | Exact match | 22 contacts → |
“Proofpoint, Inc.NASDAQ:PFPT Proofpoint Fortune” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 株式会社ブロードバンドセキュリティbbsec.co.jp HQ: 新宿区, JapanReported employees: 51-200 | 新宿区, Japan | 51-200 | Exact match | 22 contacts → |
“1.()\t2.\t3.()” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  E-Guardian INCe-guardian.co.jpHQ: 1-2-8 Toranomon, JapanReported employees: 1,001-5,000 | 1-2-8 Toranomon, Japan | 1,001-5,000 | Exact match | 20 contacts → |
“E-guardian is a "Comprehensive Internet Security Company" that provide a one-stop solution to all your internet security needs through: Post Monitoring, Customer Support…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Pipeline Co., LTDppln.coHQ: Chuo-ku, JapanReported employees: 11-50 | Chuo-ku, Japan | 11-50 | Exact match | 20 contacts → |
“Pipeline Co.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  NTT Security Japan K.Knttsecurity.comHQ: Tokyo, JapanReported employees: 201-500 | Tokyo, Japan | 201-500 | Exact match | 17 contacts → |
“Protecting the Digital Future with Advanced Threat Detection At NTT Security (Japan) K.K, we specialize in cutting-edge cyber threat detection and response, helping businesses…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  グローバルセキュリティエキスパート(株)gsx.co.jpHQ: 港区, JapanReported employees: 51-200 | 港区, Japan | 51-200 | Exact match | 16 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 12 |  Cyber Defense Institute, INCcyberdefense.jpHQ: 千代田区, JapanReported employees: 51-200 | 千代田区, Japan | 51-200 | Exact match | 15 contacts → |
“Only humans can counter human-driven threat.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Ricerca Security, INCricsec.co.jpHQ: Chiyoda-ku, JapanReported employees: 11-50 | Chiyoda-ku, Japan | 11-50 | Exact match | 14 contacts → |
“R&d | 500 | ctf” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  NTT Security Holdingssecurity.nttHQ: Chiyoda-ku, JapanReported employees: 501-1,000 | Chiyoda-ku, Japan | 501-1,000 | Exact match | 13 contacts → |
“For over 20 years, NTT has provided proactive cyber defense and services that make use of gathered human resources and intelligence to protect our clients, our society and the…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | (株)サイバーセキュリティクラウドcscloud.co.jp HQ: 渋谷区, JapanReported employees: 1-10 | 渋谷区, Japan | 1-10 | Exact match | 13 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 16 |  Humming Headshummingheads.co.jpHQ: Tokyo, JapanReported employees: 51-200 | Tokyo, Japan | 51-200 | Exact match | 12 contacts → |
“Since its founding in in Tokyo, Japan, Humming Heads has put a great amount of efforts in developing cyber security software solutions.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | ニュートン・コンサルティング株式会社newton-consulting.co.jp HQ: 千代田区, JapanReported employees: 1-10 | 千代田区, Japan | 1-10 | Exact match | 10 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 |  Eset Japan INC イーセットジャパンeset.comHQ: 港区, JapanReported employees: 11-50 | 港区, Japan | 11-50 | Exact match | 8 contacts → |
“ESET ESET “ (Progress)”ESET“ (Protect)” ESET – Progress.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Variosecure INCvariosecure.net HQ: Tokyo, JapanReported employees: 51-200 | Tokyo, Japan | 51-200 | Exact match | 8 contacts → |
“VarioSecure offers its services to any enterprise using the Internet.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  チェック・ポイント・ソフトウェア・テクノロジーズ株式会社checkpoint.comHQ: 港区, JapanReported employees: 51-200 | 港区, Japan | 51-200 | Exact match | 6 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | トレンドマイクロ(株)trendmicro.co.jp HQ: 渋谷区, JapanReported employees: 501-1,000 | 渋谷区, Japan | 501-1,000 | Exact match | 6 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 | (株)sola.comsolanets.com HQ: 仙台市 青葉区, JapanReported employees: 11-50 | 仙台市 青葉区, Japan | 11-50 | Exact match | 5 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 23 |  Semita Holdings K.Ksemitaholdings.comHQ: JapanReported employees: 11-50 | Japan | 11-50 | Exact match | 3 contacts → |
“Semita is proud to announce it has been selected as the 2022 Cybersecurity company of the the year by APAC CIO Outlook!” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Machina Record, INCmachinarecord.comHQ: 港区, JapanReported employees: 11-50 | 港区, Japan | 11-50 | Exact match | 3 contacts → |
“IPO https://machinarecord.com/recruit/” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | サイファーマ(株)cyfirma.jp HQ: 千代田区, JapanReported employees: 11-50 | 千代田区, Japan | 11-50 | Exact match | 2 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 25 of 85 company matches
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Cybersecurity services firms: dataset insights
October 1, 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
85 records in the displayed employee bands.
0 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 worldwide rather than for Japan, so it is reported there. Company counts and contact totals on this page are exact for Japan, over 85 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: October 1, 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 ↗
Questions about this company list
What does Exact match mean for cybersecurity services firms?
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 cybersecurity services firms did RevenueBase find based in Japan?
The saved snapshot records 85 matching company records, 6,020 tracked contacts and 1,999 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: October 1, 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
Cybersecurity services firms by geography
- Cybersecurity services firms based in Buenos Aires, Argentina
- Cybersecurity services firms based in Adelaide, Australia
- Cybersecurity services firms based in Brisbane, Australia
- Cybersecurity services firms based in Canberra, Australia
- Cybersecurity services firms based in Melbourne, Australia
- Cybersecurity services firms based in Perth, Australia
- Cybersecurity services firms based in Sydney, Australia
- Cybersecurity services firms based in Vienna, Austria
- Cybersecurity services firms based in Dhaka, Bangladesh
- Cybersecurity services firms based in Barueri, Brazil
- Cybersecurity services firms based in Belo Horizonte, Brazil
- Cybersecurity services firms based in Brasilia, Brazil
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 cybersecurity services firms based in Japan. Snapshot: October 1, 2026. https://revenuebase.ai/companies/cybersecurity-services-firms/japan.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Cybersecurity services firms based in Buenos Aires, Argentina
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- Cybersecurity services firms based in Brisbane, Australia
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Company intelligence · public preview
Top 25 cybersecurity services firms based in Japan
RevenueBase records 85 matching company records for cybersecurity services firms based in Japan, with 6,020 tracked contacts and 1,999 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: October 1, 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 cybersecurity services firms based in Japan
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 | Trend Microtrendmicro.com HQ: Yoyogi, JapanReported employees: 5,001-10,000 | Yoyogi, Japan | 5,001-10,000 | Exact match | 4,942 contacts → |
“We’re a global cybersecurity leader, helping to make the world safe for exchanging digital information.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Nriセキュアテクノロジーズ株式会社 NRI Securetechnologies, LTDnri-secure.co.jp HQ: 千代田区, JapanReported employees: 501-1,000 | 千代田区, Japan | 501-1,000 | Exact match | 225 contacts → |
“NRIITNRI NRI SecureTechnologies is a global service provider of next-generation Managed Security Services, cutting-edge Blockchain Security Solutions, and Consulting Services with…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Viconevicone.com HQ: Tokyo, JapanReported employees: 51-200 | Tokyo, Japan | 51-200 | Exact match | 73 contacts → |
“With a vision to secure the vehicles of tomorrow, VicOne delivers a broad portfolio of cybersecurity software and services for the automotive industry.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Gmoサイバーセキュリティ Byイエラエ株式会社gmo-cybersecurity.com HQ: 渋谷区, JapanReported employees: 51-200 | 渋谷区, Japan | 51-200 | Exact match | 53 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 5 | GMO Flatt Security INCflatt.tech HQ: 渋谷区, JapanReported employees: Not recorded | 渋谷区, Japan | Not recorded | Exact match | 38 contacts → |
“GMO Flatt Security, based in Tokyo, offers expert security assessments and penetration testing for software.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | 日本プルーフポイント株式会社proofpoint.com HQ: 港区, JapanReported employees: 11-50 | 港区, Japan | 11-50 | Exact match | 22 contacts → |
“Proofpoint, Inc.NASDAQ:PFPT Proofpoint Fortune” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 株式会社ブロードバンドセキュリティbbsec.co.jp HQ: 新宿区, JapanReported employees: 51-200 | 新宿区, Japan | 51-200 | Exact match | 22 contacts → |
“1.()\t2.\t3.()” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | E-Guardian INCe-guardian.co.jp HQ: 1-2-8 Toranomon, JapanReported employees: 1,001-5,000 | 1-2-8 Toranomon, Japan | 1,001-5,000 | Exact match | 20 contacts → |
“E-guardian is a "Comprehensive Internet Security Company" that provide a one-stop solution to all your internet security needs through: Post Monitoring, Customer Support…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Pipeline Co., LTDppln.co HQ: Chuo-ku, JapanReported employees: 11-50 | Chuo-ku, Japan | 11-50 | Exact match | 20 contacts → |
“Pipeline Co.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | NTT Security Japan K.Knttsecurity.com HQ: Tokyo, JapanReported employees: 201-500 | Tokyo, Japan | 201-500 | Exact match | 17 contacts → |
“Protecting the Digital Future with Advanced Threat Detection At NTT Security (Japan) K.K, we specialize in cutting-edge cyber threat detection and response, helping businesses…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | グローバルセキュリティエキスパート(株)gsx.co.jp HQ: 港区, JapanReported employees: 51-200 | 港区, Japan | 51-200 | Exact match | 16 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 12 | Cyber Defense Institute, INCcyberdefense.jp HQ: 千代田区, JapanReported employees: 51-200 | 千代田区, Japan | 51-200 | Exact match | 15 contacts → |
“Only humans can counter human-driven threat.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Ricerca Security, INCricsec.co.jp HQ: Chiyoda-ku, JapanReported employees: 11-50 | Chiyoda-ku, Japan | 11-50 | Exact match | 14 contacts → |
“R&d | 500 | ctf” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | NTT Security Holdingssecurity.ntt HQ: Chiyoda-ku, JapanReported employees: 501-1,000 | Chiyoda-ku, Japan | 501-1,000 | Exact match | 13 contacts → |
“For over 20 years, NTT has provided proactive cyber defense and services that make use of gathered human resources and intelligence to protect our clients, our society and the…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | (株)サイバーセキュリティクラウドcscloud.co.jp HQ: 渋谷区, JapanReported employees: 1-10 | 渋谷区, Japan | 1-10 | Exact match | 13 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 16 | Humming Headshummingheads.co.jp HQ: Tokyo, JapanReported employees: 51-200 | Tokyo, Japan | 51-200 | Exact match | 12 contacts → |
“Since its founding in in Tokyo, Japan, Humming Heads has put a great amount of efforts in developing cyber security software solutions.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | ニュートン・コンサルティング株式会社newton-consulting.co.jp HQ: 千代田区, JapanReported employees: 1-10 | 千代田区, Japan | 1-10 | Exact match | 10 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | Eset Japan INC イーセットジャパンeset.com HQ: 港区, JapanReported employees: 11-50 | 港区, Japan | 11-50 | Exact match | 8 contacts → |
“ESET ESET “ (Progress)”ESET“ (Protect)” ESET – Progress.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Variosecure INCvariosecure.net HQ: Tokyo, JapanReported employees: 51-200 | Tokyo, Japan | 51-200 | Exact match | 8 contacts → |
“VarioSecure offers its services to any enterprise using the Internet.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | チェック・ポイント・ソフトウェア・テクノロジーズ株式会社checkpoint.com HQ: 港区, JapanReported employees: 51-200 | 港区, Japan | 51-200 | Exact match | 6 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | トレンドマイクロ(株)trendmicro.co.jp HQ: 渋谷区, JapanReported employees: 501-1,000 | 渋谷区, Japan | 501-1,000 | Exact match | 6 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 | (株)sola.comsolanets.com HQ: 仙台市 青葉区, JapanReported employees: 11-50 | 仙台市 青葉区, Japan | 11-50 | Exact match | 5 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 23 | Semita Holdings K.Ksemitaholdings.com HQ: JapanReported employees: 11-50 | Japan | 11-50 | Exact match | 3 contacts → |
“Semita is proud to announce it has been selected as the 2022 Cybersecurity company of the the year by APAC CIO Outlook!” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Machina Record, INCmachinarecord.com HQ: 港区, JapanReported employees: 11-50 | 港区, Japan | 11-50 | Exact match | 3 contacts → |
“IPO https://machinarecord.com/recruit/” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | サイファーマ(株)cyfirma.jp HQ: 千代田区, JapanReported employees: 11-50 | 千代田区, Japan | 11-50 | Exact match | 2 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 25 of 85 company matches
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Cybersecurity services firms: dataset insights
October 1, 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
85 records in the displayed employee bands.
0 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 worldwide rather than for Japan, so it is reported there. Company counts and contact totals on this page are exact for Japan, over 85 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: October 1, 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 ↗
Questions about this company list
What does Exact match mean for cybersecurity services firms?
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 cybersecurity services firms did RevenueBase find based in Japan?
The saved snapshot records 85 matching company records, 6,020 tracked contacts and 1,999 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: October 1, 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.
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Cite this list
RevenueBase Data Team. Top 25 cybersecurity services firms based in Japan. Snapshot: October 1, 2026. https://revenuebase.ai/companies/cybersecurity-services-firms/japan.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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