Company lists · Data refreshed September 2026
Top 25 Critical infrastructure security firms based in Brazil
RevenueBase identified 267 company matches for critical infrastructure security firms associated with Brazil as of September 2026 and tracks 5,650 professional contacts across them, including 547 with verified work emails. Sao Paulo is the largest hub.
This list covers company matches for critical infrastructure security firms 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 September 27, 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 critical infrastructure security firms based in Brazil
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,361 contacts → | ||||
Exact match “O Grupo Comando G8 é referência nacional na implantação e operação de soluções integradas em segurança e serviços.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 2 | 304 contacts → | ||||
Exact match “Há mais de 25 anos no mercado, com atuação nacional e com uma estrutura moderna, o Grupo Liberdade tem se destacado na execução de serviços de segurança que não se limitam a…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 3 | 285 contacts → | ||||
Exact match “Grupo SEI - is a facilities services company based out of Brazil.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 4 | 127 contacts → | ||||
Exact match “Inspirar confiança é a meta que guia todas as nossas ações.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 5 | 120 contacts → | ||||
Exact match “Aeon Security is a technology integrator, project developer and service provider for the critical infrastructure industries.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 6 | 106 contacts → | ||||
Exact match “A ICTS Security é reconhecida a quase 3 décadas pela excelência em consultoria de serviços de inteligência e segurança.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 7 | 70 contacts → | ||||
Exact match “A TI Safe é referência nacional em segurança cibernética para infraestruturas críticas, com foco em Sistemas Ciberfísicos (CPS).” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 8 | 69 contacts → | ||||
Exact match “No mercado desde 1988, a Suportec começou sua atuação como prestadora de serviços de suporte técnico em mainframes.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 9 | 61 contacts → | ||||
Exact match “Desde sua fundação em 1987 a GS se especializou em Sistemas de Segurança.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 10 | 59 contacts → | ||||
Exact match “Empresa sólida com ampla experiência em Infraestrutura em TI e Comunicações, Segurança da Informação e Segurança física.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 11 | 58 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 · Sep 27, 2026 · View company records in RevenueBase | |||||
| 12 | 57 contacts → | ||||
Exact match “Constituida no ano a PRODETECH se destaca nos segmentos em que atua em razão da alta qualidade na prestação de seus serviços.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 13 | 51 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 · Sep 27, 2026 · View company records in RevenueBase | |||||
| 14 | 48 contacts → | ||||
Exact match “Há mais de 30 anos no mercado de Consultoria em Segurança, o GRUPO UNICAD se tornou uma empresa referência no setor.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 15 | 45 contacts → | ||||
Exact match “Mais de uma década de experiência em cibersegurança e infraestrutra aliadas à inteligência e tecnologia de ponta.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 16 | 45 contacts → | ||||
Exact match “Atuando no mercado desde 2002, a Digital é especialista em grandes projetos, fornecendo soluções inteligentes e inovadoras, alinhadas ao melhor custo/benefício para seus clientes.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 17 | 44 contacts → | ||||
Exact match “Cyber threats grow in an advanced and strategic way every day, resulting in great risks for businesses.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 18 | 43 contacts → | ||||
Exact match “Há mais de 30 anos, a Segtrônica desenvolve soluções inteligentes para proteger operações, pessoas e ativos com eficiência, confiabilidade e visão de longo prazo.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 19 | 39 contacts → | ||||
Exact match “HISTÓRIA A JC2SEC nasceu com a missão de prover soluções de segurança da informação para ambientes corporativos.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 20 | 38 contacts → | ||||
Exact match “A Gruppen oferece ao mercado as melhores soluções de segurança, dos mais renomados fabricantes globais.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 21 | 37 contacts → | ||||
Exact match “Há 13 anos a GuardCenter governa operações de proteção de cargas em todo o Brasil: conecta cada viagem a fornecedores homologados, coordena a execução em tempo real e devolve ao…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 22 | 36 contacts → | ||||
Exact match “Iniciamos as atividades em 1988, com os serviços de consultoria e treinamento na área de segurança empresarial.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 23 | 32 contacts → | ||||
Exact match “A It4us Cyber Security atua no mercado corporativo e possui uma trajetória de Sucesso na monitoração ativa de nossos clientes, com seu profissionalismo, qualidade e principalmente…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 24 | 25 contacts → | ||||
Exact match “A XLOGIC é a sua aliada em cibersegurança e oferece soluções completas e integradas - serviços, produtos e estratégia.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 25 | 24 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 · Sep 27, 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 “critical infrastructure security 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 267 critical infrastructure security firms based in Brazil
See the full list, filter by size, metro and specialty, and access 547 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Critical infrastructure security firms based in Brazil at a glance
As of Sep 27, 2026Companies by employee count
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 267 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 “critical infrastructure security 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 547 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 27, 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.
Critical infrastructure security firms by metro
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 “critical infrastructure security firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many critical infrastructure security firms are there based in Brazil?
RevenueBase identified 267 company matches for critical infrastructure security firms associated with Brazil 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?
Comando G8 tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most critical infrastructure security firms?
Sao Paulo leads with 88 company records, followed by Rio De Janeiro (27) and Curitiba (12).
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 547 professional contacts with verified work emails tracked across these 267 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 27, 2026.
Ready to reach these companies? Verified emails and direct dials for all 267 critical infrastructure security firms based in Brazil. Start with a free account, no credit card.
Download this list →Related lists
Critical infrastructure security firms by geography
- Critical infrastructure security firms based in Melbourne, Australia
- Critical infrastructure security firms based in Sydney, Australia
- Critical infrastructure security firms based in Sao Paulo, Brazil
- Critical infrastructure security firms based in Ottawa, Canada
- Critical infrastructure security firms based in Toronto, Canada
- Critical infrastructure security firms based in Paris, France
- Critical infrastructure security firms based in Riyadh, Saudi Arabia
- Critical infrastructure security firms based in Stockholm, Sweden
- Critical infrastructure security firms based in Dubai, United Arab Emirates
- Critical infrastructure security firms based in London, United Kingdom
- Critical infrastructure security firms based in Atlanta, United States
- Critical infrastructure security firms based in Austin, United States
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.
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- Critical infrastructure security firms based in Melbourne, Australia
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- Critical infrastructure security firms based in Ottawa, Canada
- Critical infrastructure security firms based in Toronto, Canada
- Critical infrastructure security firms based in Paris, France
Company intelligence · public preview
Top 25 critical infrastructure security firms based in Brazil
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 267 matching company records for critical infrastructure security firms based in Brazil, with 5,650 tracked contacts and 547 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 27, 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 critical infrastructure security firms based in Brazil
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 |  Comando G8comandog8.com.brHQ: São Paulo, BrazilReported employees: 5,001-10,000 | São Paulo, Brazil | 5,001-10,000 | Exact match | 1,361 contacts → |
“O Grupo Comando G8 é referência nacional na implantação e operação de soluções integradas em segurança e serviços.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Grupo Liberdadegrupoliberdade.com.brHQ: São Paulo, BrazilReported employees: 1,001-5,000 | São Paulo, Brazil | 1,001-5,000 | Exact match | 304 contacts → |
“Há mais de 25 anos no mercado, com atuação nacional e com uma estrutura moderna, o Grupo Liberdade tem se destacado na execução de serviços de segurança que não se limitam a…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Grupo SEI Segurança E Inteligênciaseiinteligencia.com.brHQ: Serra, BrazilReported employees: 1,001-5,000 | Serra, Brazil | 1,001-5,000 | Exact match | 285 contacts → |
“Grupo SEI - is a facilities services company based out of Brazil.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Under Protectionunderprotection.com.brHQ: Pinhais - Alphaville, BrazilReported employees: 51-200 | Pinhais - Alphaville, Brazil | 51-200 | Exact match | 127 contacts → |
“Inspirar confiança é a meta que guia todas as nossas ações.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Aeon Securityaeon.com.brHQ: Niterói, BrazilReported employees: 51-200 | Niterói, Brazil | 51-200 | Exact match | 120 contacts → |
“Aeon Security is a technology integrator, project developer and service provider for the critical infrastructure industries.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Icts Securityictssecurity.com.br HQ: Sao Paulo, BrazilReported employees: 51-200 | Sao Paulo, Brazil | 51-200 | Exact match | 106 contacts → |
“A ICTS Security é reconhecida a quase 3 décadas pela excelência em consultoria de serviços de inteligência e segurança.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  TI Safe Segurança Cibernéticatisafe.comHQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 70 contacts → |
“A TI Safe é referência nacional em segurança cibernética para infraestruturas críticas, com foco em Sistemas Ciberfísicos (CPS).” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Scunnascunna.comHQ: Porto Alegre, BrazilReported employees: 51-200 | Porto Alegre, Brazil | 51-200 | Exact match | 69 contacts → |
“No mercado desde 1988, a Suportec começou sua atuação como prestadora de serviços de suporte técnico em mainframes.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Golden Servicegservice.com.brHQ: Teresópolis, BrazilReported employees: 51-200 | Teresópolis, Brazil | 51-200 | Exact match | 61 contacts → |
“Desde sua fundação em 1987 a GS se especializou em Sistemas de Segurança.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Arcade Tecnologiaarcade.com.brHQ: Brasília, BrazilReported employees: 51-200 | Brasília, Brazil | 51-200 | Exact match | 59 contacts → |
“Empresa sólida com ampla experiência em Infraestrutura em TI e Comunicações, Segurança da Informação e Segurança física.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Fasthelp Segurança DA Informaçãofasthelp.com.brHQ: Brasília, BrazilReported employees: 51-200 | Brasília, Brazil | 51-200 | Exact match | 58 contacts → |
“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 description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Prodetech Groupprodetechgroup.com.brHQ: Sao Paulo, BrazilReported employees: 201-500 | Sao Paulo, Brazil | 201-500 | Exact match | 57 contacts → |
“Constituida no ano a PRODETECH se destaca nos segmentos em que atua em razão da alta qualidade na prestação de seus serviços.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Viwsecviwsec.com.brHQ: Barueri, BrazilReported employees: 11-50 | Barueri, Brazil | 11-50 | Exact match | 51 contacts → |
“A VIWSEC foi fundada em para proteção de serviços corporativos e de e-commerce no início da Internet empresarial no Brasil.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Grupo Unicadgrupounicad.com.brHQ: Rio De Janeiro, BrazilReported employees: 51-200 | Rio De Janeiro, Brazil | 51-200 | Exact match | 48 contacts → |
“Há mais de 30 anos no mercado de Consultoria em Segurança, o GRUPO UNICAD se tornou uma empresa referência no setor.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Secureway Tecnologiasecureway.com.brHQ: Sao Paulo, BrazilReported employees: 51-200 | Sao Paulo, Brazil | 51-200 | Exact match | 45 contacts → |
“Mais de uma década de experiência em cibersegurança e infraestrutra aliadas à inteligência e tecnologia de ponta.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Digital Tecnologia E Segurançadigitaltecnologia.com.brHQ: Vitória, BrazilReported employees: 51-200 | Vitória, Brazil | 51-200 | Exact match | 45 contacts → |
“Atuando no mercado desde 2002, a Digital é especialista em grandes projetos, fornecendo soluções inteligentes e inovadoras, alinhadas ao melhor custo/benefício para seus clientes.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Next4sec Security Intelligencenext4sec.comHQ: São Paulo, BrazilReported employees: 51-200 | São Paulo, Brazil | 51-200 | Exact match | 44 contacts → |
“Cyber threats grow in an advanced and strategic way every day, resulting in great risks for businesses.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Segtrônicasegtronica.com.brHQ: São José Dos Campos, BrazilReported employees: 51-200 | São José Dos Campos, Brazil | 51-200 | Exact match | 43 contacts → |
“Há mais de 30 anos, a Segtrônica desenvolve soluções inteligentes para proteger operações, pessoas e ativos com eficiência, confiabilidade e visão de longo prazo.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Jc2secjc2sec.com.brHQ: Sao Paulo, BrazilReported employees: 51-200 | Sao Paulo, Brazil | 51-200 | Exact match | 39 contacts → |
“HISTÓRIA A JC2SEC nasceu com a missão de prover soluções de segurança da informação para ambientes corporativos.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Gruppen IT Securitygruppen.com.brHQ: Porto Alegre, BrazilReported employees: 51-200 | Porto Alegre, Brazil | 51-200 | Exact match | 38 contacts → |
“A Gruppen oferece ao mercado as melhores soluções de segurança, dos mais renomados fabricantes globais.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Guardcenterguardcenter.com.brHQ: Recife, BrazilReported employees: 11-50 | Recife, Brazil | 11-50 | Exact match | 37 contacts → |
“Há 13 anos a GuardCenter governa operações de proteção de cargas em todo o Brasil: conecta cada viagem a fornecedores homologados, coordena a execução em tempo real e devolve ao…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Brasiliano Interiskbrasiliano.com.brHQ: Sao Paulo, BrazilReported employees: 11-50 | Sao Paulo, Brazil | 11-50 | Exact match | 36 contacts → |
“Iniciamos as atividades em 1988, com os serviços de consultoria e treinamento na área de segurança empresarial.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  It4us Cyber Securityit4us.com.brHQ: Sao Paulo, BrazilReported employees: 51-200 | Sao Paulo, Brazil | 51-200 | Exact match | 32 contacts → |
“A It4us Cyber Security atua no mercado corporativo e possui uma trajetória de Sucesso na monitoração ativa de nossos clientes, com seu profissionalismo, qualidade e principalmente…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Xlogicxlogic.com.brHQ: Salvador, BrazilReported employees: 11-50 | Salvador, Brazil | 11-50 | Exact match | 25 contacts → |
“A XLOGIC é a sua aliada em cibersegurança e oferece soluções completas e integradas - serviços, produtos e estratégia.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Protect Solutionsprotectsolutions.com.brHQ: Criciúma, BrazilReported employees: 1-10 | Criciúma, Brazil | 1-10 | Exact match | 24 contacts → |
“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 description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 267 company matches
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Critical infrastructure security firms: dataset insights
September 27, 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
265 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 worldwide rather than for Brazil, so it is reported there. Company counts and contact totals on this page are exact for Brazil, over 267 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 27, 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 ↗
Critical infrastructure security firms by metro
Questions about this company list
What does Exact match mean for critical infrastructure security 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 critical infrastructure security firms did RevenueBase find based in Brazil?
The saved snapshot records 267 matching company records, 5,650 tracked contacts and 547 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 27, 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
Critical infrastructure security firms by geography
- Critical infrastructure security firms based in Melbourne, Australia
- Critical infrastructure security firms based in Sydney, Australia
- Critical infrastructure security firms based in Sao Paulo, Brazil
- Critical infrastructure security firms based in Ottawa, Canada
- Critical infrastructure security firms based in Toronto, Canada
- Critical infrastructure security firms based in Paris, France
- Critical infrastructure security firms based in Riyadh, Saudi Arabia
- Critical infrastructure security firms based in Stockholm, Sweden
- Critical infrastructure security firms based in Dubai, United Arab Emirates
- Critical infrastructure security firms based in London, United Kingdom
- Critical infrastructure security firms based in Atlanta, United States
- Critical infrastructure security firms based in Austin, United States
Cite this list
RevenueBase Data Team. Top 25 critical infrastructure security firms based in Brazil. Snapshot: September 27, 2026. https://revenuebase.ai/companies/critical-infrastructure-security-firms/brazil.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
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- Critical infrastructure security firms based in Melbourne, Australia
- Critical infrastructure security firms based in Sydney, Australia
- Critical infrastructure security firms based in Sao Paulo, Brazil
- Critical infrastructure security firms based in Ottawa, Canada
- Critical infrastructure security firms based in Toronto, Canada
- Critical infrastructure security firms based in Paris, France
Company intelligence · public preview
Top 25 critical infrastructure security firms based in Brazil
RevenueBase records 267 matching company records for critical infrastructure security firms based in Brazil, with 5,650 tracked contacts and 547 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 27, 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 critical infrastructure security firms based in Brazil
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 | Comando G8comandog8.com.br HQ: São Paulo, BrazilReported employees: 5,001-10,000 | São Paulo, Brazil | 5,001-10,000 | Exact match | 1,361 contacts → |
“O Grupo Comando G8 é referência nacional na implantação e operação de soluções integradas em segurança e serviços.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Grupo Liberdadegrupoliberdade.com.br HQ: São Paulo, BrazilReported employees: 1,001-5,000 | São Paulo, Brazil | 1,001-5,000 | Exact match | 304 contacts → |
“Há mais de 25 anos no mercado, com atuação nacional e com uma estrutura moderna, o Grupo Liberdade tem se destacado na execução de serviços de segurança que não se limitam a…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Grupo SEI Segurança E Inteligênciaseiinteligencia.com.br HQ: Serra, BrazilReported employees: 1,001-5,000 | Serra, Brazil | 1,001-5,000 | Exact match | 285 contacts → |
“Grupo SEI - is a facilities services company based out of Brazil.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Under Protectionunderprotection.com.br HQ: Pinhais - Alphaville, BrazilReported employees: 51-200 | Pinhais - Alphaville, Brazil | 51-200 | Exact match | 127 contacts → |
“Inspirar confiança é a meta que guia todas as nossas ações.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Aeon Securityaeon.com.br HQ: Niterói, BrazilReported employees: 51-200 | Niterói, Brazil | 51-200 | Exact match | 120 contacts → |
“Aeon Security is a technology integrator, project developer and service provider for the critical infrastructure industries.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Icts Securityictssecurity.com.br HQ: Sao Paulo, BrazilReported employees: 51-200 | Sao Paulo, Brazil | 51-200 | Exact match | 106 contacts → |
“A ICTS Security é reconhecida a quase 3 décadas pela excelência em consultoria de serviços de inteligência e segurança.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | TI Safe Segurança Cibernéticatisafe.com HQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 70 contacts → |
“A TI Safe é referência nacional em segurança cibernética para infraestruturas críticas, com foco em Sistemas Ciberfísicos (CPS).” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Scunnascunna.com HQ: Porto Alegre, BrazilReported employees: 51-200 | Porto Alegre, Brazil | 51-200 | Exact match | 69 contacts → |
“No mercado desde 1988, a Suportec começou sua atuação como prestadora de serviços de suporte técnico em mainframes.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Golden Servicegservice.com.br HQ: Teresópolis, BrazilReported employees: 51-200 | Teresópolis, Brazil | 51-200 | Exact match | 61 contacts → |
“Desde sua fundação em 1987 a GS se especializou em Sistemas de Segurança.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Arcade Tecnologiaarcade.com.br HQ: Brasília, BrazilReported employees: 51-200 | Brasília, Brazil | 51-200 | Exact match | 59 contacts → |
“Empresa sólida com ampla experiência em Infraestrutura em TI e Comunicações, Segurança da Informação e Segurança física.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Fasthelp Segurança DA Informaçãofasthelp.com.br HQ: Brasília, BrazilReported employees: 51-200 | Brasília, Brazil | 51-200 | Exact match | 58 contacts → |
“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 description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Prodetech Groupprodetechgroup.com.br HQ: Sao Paulo, BrazilReported employees: 201-500 | Sao Paulo, Brazil | 201-500 | Exact match | 57 contacts → |
“Constituida no ano a PRODETECH se destaca nos segmentos em que atua em razão da alta qualidade na prestação de seus serviços.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Viwsecviwsec.com.br HQ: Barueri, BrazilReported employees: 11-50 | Barueri, Brazil | 11-50 | Exact match | 51 contacts → |
“A VIWSEC foi fundada em para proteção de serviços corporativos e de e-commerce no início da Internet empresarial no Brasil.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Grupo Unicadgrupounicad.com.br HQ: Rio De Janeiro, BrazilReported employees: 51-200 | Rio De Janeiro, Brazil | 51-200 | Exact match | 48 contacts → |
“Há mais de 30 anos no mercado de Consultoria em Segurança, o GRUPO UNICAD se tornou uma empresa referência no setor.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Secureway Tecnologiasecureway.com.br HQ: Sao Paulo, BrazilReported employees: 51-200 | Sao Paulo, Brazil | 51-200 | Exact match | 45 contacts → |
“Mais de uma década de experiência em cibersegurança e infraestrutra aliadas à inteligência e tecnologia de ponta.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Digital Tecnologia E Segurançadigitaltecnologia.com.br HQ: Vitória, BrazilReported employees: 51-200 | Vitória, Brazil | 51-200 | Exact match | 45 contacts → |
“Atuando no mercado desde 2002, a Digital é especialista em grandes projetos, fornecendo soluções inteligentes e inovadoras, alinhadas ao melhor custo/benefício para seus clientes.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Next4sec Security Intelligencenext4sec.com HQ: São Paulo, BrazilReported employees: 51-200 | São Paulo, Brazil | 51-200 | Exact match | 44 contacts → |
“Cyber threats grow in an advanced and strategic way every day, resulting in great risks for businesses.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Segtrônicasegtronica.com.br HQ: São José Dos Campos, BrazilReported employees: 51-200 | São José Dos Campos, Brazil | 51-200 | Exact match | 43 contacts → |
“Há mais de 30 anos, a Segtrônica desenvolve soluções inteligentes para proteger operações, pessoas e ativos com eficiência, confiabilidade e visão de longo prazo.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Jc2secjc2sec.com.br HQ: Sao Paulo, BrazilReported employees: 51-200 | Sao Paulo, Brazil | 51-200 | Exact match | 39 contacts → |
“HISTÓRIA A JC2SEC nasceu com a missão de prover soluções de segurança da informação para ambientes corporativos.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Gruppen IT Securitygruppen.com.br HQ: Porto Alegre, BrazilReported employees: 51-200 | Porto Alegre, Brazil | 51-200 | Exact match | 38 contacts → |
“A Gruppen oferece ao mercado as melhores soluções de segurança, dos mais renomados fabricantes globais.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Guardcenterguardcenter.com.br HQ: Recife, BrazilReported employees: 11-50 | Recife, Brazil | 11-50 | Exact match | 37 contacts → |
“Há 13 anos a GuardCenter governa operações de proteção de cargas em todo o Brasil: conecta cada viagem a fornecedores homologados, coordena a execução em tempo real e devolve ao…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Brasiliano Interiskbrasiliano.com.br HQ: Sao Paulo, BrazilReported employees: 11-50 | Sao Paulo, Brazil | 11-50 | Exact match | 36 contacts → |
“Iniciamos as atividades em 1988, com os serviços de consultoria e treinamento na área de segurança empresarial.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | It4us Cyber Securityit4us.com.br HQ: Sao Paulo, BrazilReported employees: 51-200 | Sao Paulo, Brazil | 51-200 | Exact match | 32 contacts → |
“A It4us Cyber Security atua no mercado corporativo e possui uma trajetória de Sucesso na monitoração ativa de nossos clientes, com seu profissionalismo, qualidade e principalmente…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Xlogicxlogic.com.br HQ: Salvador, BrazilReported employees: 11-50 | Salvador, Brazil | 11-50 | Exact match | 25 contacts → |
“A XLOGIC é a sua aliada em cibersegurança e oferece soluções completas e integradas - serviços, produtos e estratégia.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Protect Solutionsprotectsolutions.com.br HQ: Criciúma, BrazilReported employees: 1-10 | Criciúma, Brazil | 1-10 | Exact match | 24 contacts → |
“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 description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 267 company matches
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Critical infrastructure security firms: dataset insights
September 27, 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
265 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 worldwide rather than for Brazil, so it is reported there. Company counts and contact totals on this page are exact for Brazil, over 267 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 27, 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 ↗
Critical infrastructure security firms by metro
Questions about this company list
What does Exact match mean for critical infrastructure security 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 critical infrastructure security firms did RevenueBase find based in Brazil?
The saved snapshot records 267 matching company records, 5,650 tracked contacts and 547 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 27, 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
Critical infrastructure security firms by geography
- Critical infrastructure security firms based in Melbourne, Australia
- Critical infrastructure security firms based in Sydney, Australia
- Critical infrastructure security firms based in Sao Paulo, Brazil
- Critical infrastructure security firms based in Ottawa, Canada
- Critical infrastructure security firms based in Toronto, Canada
- Critical infrastructure security firms based in Paris, France
- Critical infrastructure security firms based in Riyadh, Saudi Arabia
- Critical infrastructure security firms based in Stockholm, Sweden
- Critical infrastructure security firms based in Dubai, United Arab Emirates
- Critical infrastructure security firms based in London, United Kingdom
- Critical infrastructure security firms based in Atlanta, United States
- Critical infrastructure security firms based in Austin, United States
Cite this list
RevenueBase Data Team. Top 25 critical infrastructure security firms based in Brazil. Snapshot: September 27, 2026. https://revenuebase.ai/companies/critical-infrastructure-security-firms/brazil.
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
- Critical infrastructure security firms based in Melbourne, Australia
- Critical infrastructure security firms based in Sydney, Australia
- Critical infrastructure security firms based in Sao Paulo, Brazil
- Critical infrastructure security firms based in Ottawa, Canada
- Critical infrastructure security firms based in Toronto, Canada
- Critical infrastructure security firms based in Paris, France