Company lists · Data verified August 2026

Top 25 Cybersecurity investigation companies based in Brazil

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 438 companies tracked

There are 438 cybersecurity investigation companies headquartered in Brazil (RevenueBase, August 2026). RevenueBase tracks 5,228 professional contacts across them, including 1,562 with verified work emails and 214 with mobile numbers. Sao Paulo is the largest hub.

This list covers cybersecurity investigation 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.

438Companies

5,228Contacts tracked

1,562Verified emails

214Mobile numbers

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The 25 largest cybersecurity investigation companies based in Brazil

Ranked by team size

Top 25 of 438 cybersecurity investigation 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	Redbelt Security	Sao Paulo	51-200	214	91
5	Techbiz Forense Digital	Florianopolis	51-200	136	67
6	Under Protection	Pinhais Alphaville	51-200	125	57
7	CG ONE	Sao Paulo	51-200	119	30
8	Network Secure	Fortaleza	51-200	116	60
9	Apura Cyber Corp	Brasilia	51-200	82	53
10	Foregenix	Sao Paulo	51-200	80	61
11	ODEEN	Sao Paulo	51-200	80	15
12	Securityfirst	Sao Paulo	51-200	77	37
13	OL Tecnologia	Sao Paulo	51-200	68	23
14	Auditsafe	Sao Paulo	51-200	56	25
15	Dfense	Sao Paulo	51-200	55	22
16	RSEC	Brasilia	51-200	55	5
17	Berghem	Sao Paulo	51-200	54	21
18	Cylk Technologing	Sao Paulo	51-200	49	21
19	Next4sec Security Intelligence	Sao Paulo	51-200	43	13
20	Sentinela Security Intelligence	Porto Alegre	11-50	42	4
21	Jc2sec	Sao Paulo	51-200	41	26
22	NOWCY	Belo Horizonte	11-50	36	12
23	Ibestsec Segurança DA Informação	Barueri	51-200	35	17
24	Protega Managed Cybersecurity	Belo Horizonte	51-200	34	15
25	Pacific SEC	Belo Horizonte	51-200	34	15

Showing 25 of 438 cybersecurity investigation companies based in Brazil

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Cybersecurity investigation companies based in Brazil at a glance

As of Aug 28, 2026

1-10Median size (employees)

Sao PauloLargest hub · 178 HQs

214Contacts with mobile numbers

5Emails re-verified in last 30 days

Companies by employee count

1-10

237

11-50

159

51-200

201-500

501-1,000

1,001-5,000

Cybersecurity investigation companies by metro

Metro	Companies
Cybersecurity investigation companies in Sao Paulo	178
Cybersecurity investigation companies in Rio De Janeiro	30
Cybersecurity investigation companies in Belo Horizonte	24
Cybersecurity investigation companies in Brasilia	15
Cybersecurity investigation companies in Porto Alegre	13
Cybersecurity investigation companies in Barueri	11
Cybersecurity investigation companies in Curitiba	10

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 investigation 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; 5 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 investigation companies are there based in Brazil?

There are 438 cybersecurity investigation 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 investigation companies?

Sao Paulo leads with 178 headquartered companies, followed by Rio De Janeiro (30) and Belo Horizonte (24).

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 1,562 verified decision-maker contacts tracked across these 438 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.