Company lists · Data verified August 2026

Top 25 Cybersecurity engineers based in Brazil

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 399 companies tracked

There are 399 cybersecurity engineers headquartered in Brazil (RevenueBase, August 2026). RevenueBase tracks 4,244 professional contacts across them, including 1,160 with verified work emails and 202 with mobile numbers. Sao Paulo is the largest hub.

This list covers cybersecurity engineers 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.

399Companies

4,244Contacts tracked

1,160Verified emails

202Mobile numbers

Unlock all 399 companies Free account · no credit card · 2 minutes

The 25 largest cybersecurity engineers based in Brazil

Ranked by team size

Top 25 of 399 cybersecurity engineers 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	Safeway	Rio De Janeiro	201-500	397	11
2	Oplium	Rio De Janeiro	201-500	228	104
3	Redbelt Security	Sao Paulo	51-200	214	91
4	Under Protection	Pinhais Alphaville	51-200	125	57
5	CG ONE	Sao Paulo	51-200	119	30
6	Foregenix	Sao Paulo	51-200	80	61
7	Dfense	Sao Paulo	51-200	55	22
8	RSEC	Brasilia	51-200	55	5
9	Berghem	Sao Paulo	51-200	54	21
10	Cylk Technologing	Sao Paulo	51-200	49	21
11	I DO	Rio De Janeiro	11-50	47	2
12	Itprotect Brasil	Belem	11-50	46	22
13	Next4sec Security Intelligence	Sao Paulo	51-200	43	13
14	Jc2sec	Sao Paulo	51-200	41	26
15	Gruppen IT Security	Porto Alegre	51-200	38	25
16	Protega Managed Cybersecurity	Belo Horizonte	51-200	34	15
17	Pacific SEC	Belo Horizonte	51-200	34	15
18	Duranium	Sao Paulo	11-50	33	8
19	Xlogic	Salvador	11-50	25	14
20	NE	Rio De Janeiro	11-50	23	2
21	Stronit	Jaragua Do Sul	11-50	21	5
22	Access Security	Barueri	11-50	20	5
23	L8 Security	Curitiba	11-50	20	5
24	Castle Security Services	Sao Paulo	11-50	17	9
25	Abctec	Sao Paulo	11-50	15	2

Showing 25 of 399 cybersecurity engineers based in Brazil

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 1,160 reachable decision-makers.

Free account · no credit card

See all 399 companies

Cybersecurity engineers based in Brazil at a glance

As of Aug 28, 2026

1-10Median size (employees)

Sao PauloLargest hub · 142 HQs

202Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

214

11-50

149

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Cybersecurity engineers by metro

Metro	Companies
Cybersecurity engineers in Sao Paulo	142
Cybersecurity engineers in Rio De Janeiro	28
Cybersecurity engineers in Belo Horizonte	20
Cybersecurity engineers in Brasilia	16
Cybersecurity engineers in Curitiba	12
Cybersecurity engineers in Porto Alegre	9
Cybersecurity engineers in Florianopolis	8
Cybersecurity engineers in Barueri	8

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 engineers”, 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; 1 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 engineers are there based in Brazil?

There are 399 cybersecurity engineers headquartered in Brazil as of August 2026 (RevenueBase).

What is the largest company on this list?

Safeway, headquartered in Rio De Janeiro, tops this list with the largest team on record.

Which city has the most cybersecurity engineers?

Sao Paulo leads with 142 headquartered companies, followed by Rio De Janeiro (28) and Belo Horizonte (20).

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 1,160 verified decision-maker contacts tracked across these 399 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.

Ready to reach these companies? Verified emails and direct dials for all 399 cybersecurity engineers based in Brazil. Start with a free account, no credit card.

Get the full list

Related lists

Cybersecurity engineers by geography

Browse the directory

Browse: Companies home · All Brazil lists · All Cybersecurity engineers lists · New lists

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.