Company lists · Data verified August 2026

Top 25 Cybersecurity threat detection companies based in Brazil

Name: Cybersecurity threat detection companies based in Brazil
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 216 companies tracked

There are 216 cybersecurity threat detection companies headquartered in Brazil (RevenueBase, August 2026). RevenueBase tracks 3,527 professional contacts across them, including 1,059 with verified work emails and 194 with mobile numbers. Sao Paulo is the largest hub.

This list covers cybersecurity threat detection companies headquartered in Brazil, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

216Companies

3,527Contacts tracked

1,059Verified emails

194Mobile numbers

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The 25 largest cybersecurity threat detection companies based in Brazil

Ranked by team size

Top 25 of 216 cybersecurity threat detection companies based in Brazil, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Neosecure By SEK	Sao Paulo	501-1,000	416	130
2	Safeway	Rio De Janeiro	201-500	397	11
3	Oplium	Rio De Janeiro	201-500	228	104
4	Future Technologies	Petropolis	51-200	144	60
5	CG ONE	Sao Paulo	51-200	119	30
6	Network Secure	Fortaleza	51-200	116	60
7	EVAL	Sao Paulo	51-200	87	31
8	Apura Cyber Corp	Brasilia	51-200	82	53
9	Foregenix	Sao Paulo	51-200	80	61
10	OL Tecnologia	Sao Paulo	51-200	68	23
11	Deltapoint	Sao Paulo	51-200	57	22
12	Berghem	Sao Paulo	51-200	54	21
13	Viwsec	Barueri	11-50	51	10
14	I DO	Rio De Janeiro	11-50	47	2
15	Itprotect Brasil	Belem	11-50	46	22
16	Next4sec Security Intelligence	Sao Paulo	51-200	43	13
17	BĒNCE	Curitiba	11-50	42	28
18	Sentinela Security Intelligence	Porto Alegre	11-50	42	4
19	Vigilant Autoxdr	Sao Paulo	11-50	36	14
20	Qriar Technologies	Sao Paulo	11-50	34	20
21	It4us Cyber Security	Sao Paulo	51-200	34	11
22	Strema	Belo Horizonte	11-50	31	15
23	Full Service Soluções Completas EM Tecnologia	Sao Paulo	51-200	31	5
24	Focaldata	Barueri	11-50	27	12
25	Eset Brasil	Sao Paulo	501-1,000	24	13

Showing 25 of 216 cybersecurity threat detection companies based in Brazil

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Cybersecurity threat detection companies based in Brazil at a glance

As of Aug 28, 2026

11-50Median size (employees)

Sao PauloLargest hub · 87 HQs

194Contacts with mobile numbers

4Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Cybersecurity threat detection companies by metro

Metro	Companies
Cybersecurity threat detection companies in Sao Paulo	87
Cybersecurity threat detection companies in Rio De Janeiro	20
Cybersecurity threat detection companies in Brasilia	7
Cybersecurity threat detection companies in Belo Horizonte	7
Cybersecurity threat detection companies in Curitiba	7
Cybersecurity threat detection companies in Barueri	6
Cybersecurity threat detection companies in Florianopolis	4
Cybersecurity threat detection companies in Fortaleza	4

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 threat detection companies”, with match quality audited by blind human judging, and headquartered in Brazil.
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: Contact records re-verify on a rolling cadence; 4 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 threat detection companies are there based in Brazil?

There are 216 cybersecurity threat detection companies headquartered in Brazil as of August 2026 (RevenueBase).

What is the largest company on this list?

Neosecure By SEK, headquartered in Sao Paulo, tops this list with the largest team on record.

Which city has the most cybersecurity threat detection companies?

Sao Paulo leads with 87 headquartered companies, followed by Rio De Janeiro (20) and Brasilia (7).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,059 verified decision-maker contacts tracked across these 216 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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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.