Company lists · Data refreshed November 2026

Top 18 Network security engineers based in Brazil

RevenueBase identified 73 company matches for network security engineers associated with Brazil as of November 2026 and tracks 478 professional contacts across them, including 111 with verified work emails. Sao Paulo is the largest hub.

This list covers company matches for network security engineers associated with Brazil, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 5, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 5, 2026 How this list was built
73Companies
478Contacts tracked
111Verified emails
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The 18 largest network security engineers based in Brazil

Ranked by team size
Top 18 of 73 company matches for network security engineers based in Brazil, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchBarueri, BrazilHQ recorded Nov 5, 202611-5053 contacts →

Exact match

“A VIWSEC foi fundada em para proteção de serviços corporativos e de e-commerce no início da Internet empresarial no Brasil.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchBrasília, BrazilHQ recorded Nov 5, 202651-20052 contacts →

Exact match

“Fundada em 2003, com sede em Brasília/DF e presente em todo território nacional, a FastHelp oferece soluções líderes de mercado no segmento de Segurança da Informação e…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchPorto Alegre, BrazilHQ recorded Nov 5, 202651-20038 contacts →

Exact match

“A Gruppen oferece ao mercado as melhores soluções de segurança, dos mais renomados fabricantes globais.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchCriciúma, BrazilHQ recorded Nov 5, 20261-1021 contacts →

Exact match

“A Protect Solutions é uma Consultoria de Segurança da Informação que se destaca por prover Soluções em Segurança, Infraestrutura de Redes e Comunicação de TI.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchBrasilia, BrazilHQ recorded Nov 5, 202611-5018 contacts →

Exact match

“NGSX is a technical and modern company 100% focused in Information Security Services.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchSao Paulo, BrazilHQ recorded Nov 5, 202611-5016 contacts →

Exact match

“Através de um know-how adquirido desde 1996, com muito trabalho e dedicação, a ABCTec está hoje focada em oferecer soluções voltadas à Segurança da Informação.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchBrasília, BrazilHQ recorded Nov 5, 202611-5013 contacts →

Exact match

“A S4TI Solutions é uma empresa de consultoria de Segurança da Informação que se destaca por prover Soluções Completas em Segurança, Infraestrutura de Redes e Comunicação de TI.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchSao Paulo, BrazilHQ recorded Nov 5, 202611-5012 contacts →

Exact match

“Secure Tecnologia is a company specialized in corporate cybersecurity, security operations, and strategic technology consulting, with active presence in Manaus, São Paulo, and…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchAraçatuba, BrazilHQ recorded Nov 5, 20261-107 contacts →

Exact match

“Organizada para estudar cada caso em particular, a Solutions Networks se destaca por não adotar soluções paliativas, oferecendo soluções diferenciadas e segmentadas para cada…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchSao Paulo, BrazilHQ recorded Nov 5, 20261-105 contacts →

Exact match

“Proteger as informações corporativas contra o crescimento cada vez maior das ameaças de segurança.*Blindar os clientes das ameaças, invasões e vazamento de dados.*Permitir que…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchRio De Janeiro, BrazilHQ recorded Nov 5, 202611-505 contacts →

Exact match

“A Cloud Technology nasceu em 2010, afim de trazer novas soluções globais em Segurança da Informação para o mercado brasileiro.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchCuritiba, BrazilHQ recorded Nov 5, 202611-504 contacts →

Exact match

“Fundada em 2009 a Eznetworks é uma empresa especializada em consultoria em segurança da informação.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchCotia, BrazilHQ recorded Nov 5, 20261-104 contacts →

Exact match

“Desde 2018 protegendo empresas com firewall, backup em nuvem, wi-fi gerenciado e monitoramento de rede.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchCampinas, BrazilHQ recorded Nov 5, 20261-103 contacts →

Exact match

“A GB-ETI é uma empresa de prestação de serviços e soluções para melhoria da infraestrutura da Tecnologia da Informação nas empresas.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchSao Paulo, BrazilHQ recorded Nov 5, 20261-103 contacts →

Exact match

“A Infoera Tecnologia atua na área de segurança e tecnologia da informação, e busca aplicar as melhores práticas do mercado para atender as expectativas de seus clientes e…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchSão Paulo, BrazilHQ recorded Nov 5, 20261-103 contacts →

Exact match

“Consultoria de TI Serviços de Segurança em TI Redes Estruturadas”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchSao Paulo, BrazilHQ recorded Nov 5, 202611-501 contacts →

Exact match

“Nossas especialidades incluem uma ampla gama de serviços de tecnologia para ajudar nossos clientes a alcançar seus objetivos de negócios.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchFlorianopolis, BrazilHQ recorded Nov 5, 20261-101 contacts →

Exact match

“A Neobits nasceu, em 2019, da percepção de uma oportunidade pouco oferecida para as empresas nas áreas de Tecnologia e Segurança de Informação (TI/SI).”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 18 of 73 network security engineers based in Brazil

See the full list, filter by size, metro and specialty, and access 111 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Network security engineers based in Brazil at a glance

As of Nov 5, 2026
23.2%Verified-email coverage
6.5Average contacts per company
1-10Median size (employees)
24.7%Largest-city concentration · Sao Paulo
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
46
11-50
19
51-200
6

Email recency for this list is measured worldwide rather than for Brazil, so it is reported there. Company counts and contact totals on this page are exact for Brazil, over 73 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 Brazil whose business descriptions match “network security engineers” 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 111 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on November 5, 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 “network security engineers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many network security engineers are there based in Brazil?

RevenueBase identified 73 company matches for network security engineers associated with Brazil as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

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

Which city has the most network security engineers?

Sao Paulo leads with 18 company records, followed by Brasilia (5) and Curitiba (4).

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 111 professional contacts with verified work emails tracked across these 73 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 5, 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.