Company lists · Data verified August 2026
Top 25 Cybersecurity companies in Brazil
Our directory lists 1,149 cybersecurity companies in Brazil, with 15,491 professional contacts and 4,814 email addresses. The list was last updated in August 2026, and Sao Paulo is the single most-represented city among the companies listed.
Cybersecurity companies provide products and services that protect systems, networks, applications, devices, and data from unauthorized access, disruption, or misuse. This list covers companies that provide cybersecurity products, services, consulting, assessments, monitoring, incident response, or related protection for digital systems and data. Ranked by employee count, largest first. Data current as of August 28, 2026.
The 25 largest cybersecurity companies in Brazil
Ranked by employees| # | Company | Verified emails |
|---|---|---|
| 1 | Trend Micro Brasil | 8 |
| 2 |  Segware Latam | 2 |
| 3 | Conquista Group | 0 |
| 4 |  Nsfocus Latam&caribe | 2 |
| 5 |  Zscaler Brasil | 0 |
| 6 |  Dunbar Engenharia DA Segurança | 0 |
| 7 |  Absolute Security Brasil | 0 |
| 8 |  ISH Tecnologia | 442 |
| 9 |  Neosecure By SEK | 130 |
| 10 |  Eset Brasil | 13 |
| 11 | Stefanini Cyber | 4 |
| 12 |  ONE Identity Latam | 1 |
| 13 |  Congelseg Vigilãcia E Transporte DE Valores Ltda | 0 |
| 14 |  Proof By SEK | 0 |
| 15 | Globall Security | 0 |
| 16 |  Infrasecurity | 0 |
| 17 |  Vision Cybersecurity | 0 |
| 18 |  Tempest Security Intelligence | 182 |
| 19 |  ASPER | 158 |
| 20 |  Oplium | 104 |
| 21 |  Grupo Ntsec | 99 |
| 22 |  Clavis Segurança DA Informação | 92 |
| 23 |  SOLOR | 89 |
| 24 |  Techscan Soluções EM Segurança | 20 |
| 25 |  Safeway | 11 |
| 26 |  NTS - Segurança | 4 |
| 27 | Watchguard Brasil | 3 |
| 28 |  Resso IT | 2 |
Showing 25 of 1,149 cybersecurity companies in Brazil
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Cybersecurity companies in Brazil at a glance
As of Aug 28, 2026Companies by employee count
Companies by metro
How this list was built
- Source
- The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
- Inclusion
- Companies whose own business descriptions match “cybersecurity companies”, with match quality audited by blind human judging, and headquartered in Brazil.
- Ranking
- Employee count, largest first. Ranges reflect verified bands, not estimates.
- Verification
- Contact records re-verify on a rolling cadence; 62 contacts on this list were re-verified in the last 30 days.
- Refresh
- Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.
Frequently asked
How many cybersecurity companies are in the directory?
The directory lists 1,149 cybersecurity companies in Brazil.
Which city has the most cybersecurity companies?
Sao Paulo is the single most-represented city among the cybersecurity companies on the list.
How many contacts are available for cybersecurity companies?
The directory includes 15,491 professional contacts and 4,814 email addresses for the listed cybersecurity companies.
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About this data
RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.