Company lists · Data verified August 2026

Top 25 Cybersecurity incident response firms based in Brazil

Name: Cybersecurity incident response firms based in Brazil
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 272 companies tracked

There are 272 cybersecurity incident response firms headquartered in Brazil (RevenueBase, August 2026). RevenueBase tracks 3,764 professional contacts across them, including 1,144 with verified work emails and 185 with mobile numbers. Sao Paulo is the largest hub.

This list covers cybersecurity incident response firms 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.

272Companies

3,764Contacts tracked

1,144Verified emails

185Mobile numbers

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The 25 largest cybersecurity incident response firms based in Brazil

Ranked by team size

Top 25 of 272 cybersecurity incident response firms 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	Network Secure	Fortaleza	51-200	116	60
6	Apura Cyber Corp	Brasilia	51-200	82	53
7	Foregenix	Sao Paulo	51-200	80	61
8	Securityfirst	Sao Paulo	51-200	77	37
9	QOS Tecnologia	Recife	11-50	62	16
10	Dfense	Sao Paulo	51-200	55	22
11	RSEC	Brasilia	51-200	55	5
12	Berghem	Sao Paulo	51-200	54	21
13	Next4sec Security Intelligence	Sao Paulo	51-200	43	13
14	BĒNCE	Curitiba	11-50	42	28
15	Sentinela Security Intelligence	Porto Alegre	11-50	42	4
16	Jc2sec	Sao Paulo	51-200	41	26
17	Vigilant Autoxdr	Sao Paulo	11-50	36	14
18	NOWCY	Belo Horizonte	11-50	36	12
19	Protega Managed Cybersecurity	Belo Horizonte	51-200	34	15
20	Pacific SEC	Belo Horizonte	51-200	34	15
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	Xlogic	Salvador	11-50	25	14
25	NE	Rio De Janeiro	11-50	23	2

Showing 25 of 272 cybersecurity incident response firms based in Brazil

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Cybersecurity incident response firms based in Brazil at a glance

As of Aug 28, 2026

1-10Median size (employees)

Sao PauloLargest hub · 108 HQs

185Contacts with mobile numbers

5Emails re-verified in last 30 days

Companies by employee count

1-10

143

11-50

51-200

201-500

501-1,000

1,001-5,000

Cybersecurity incident response firms by metro

Metro	Companies
Cybersecurity incident response firms in Sao Paulo	108
Cybersecurity incident response firms in Rio De Janeiro	18
Cybersecurity incident response firms in Belo Horizonte	14
Cybersecurity incident response firms in Brasilia	12
Cybersecurity incident response firms in Curitiba	8
Cybersecurity incident response firms in Porto Alegre	6
Cybersecurity incident response firms in Barueri	6

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 incident response firms”, 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 incident response firms are there based in Brazil?

There are 272 cybersecurity incident response firms 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 incident response firms?

Sao Paulo leads with 108 headquartered companies, followed by Rio De Janeiro (18) and Belo Horizonte (14).

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 1,144 verified decision-maker contacts tracked across these 272 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.