Company lists · Data verified August 2026

Top 25 Cybersecurity and defense software companies based in Brazil

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 278 companies tracked

There are 278 cybersecurity and defense software companies headquartered in Brazil (RevenueBase, August 2026). RevenueBase tracks 3,982 professional contacts across them, including 1,175 with verified work emails and 186 with mobile numbers. Sao Paulo is the largest hub.

This list covers cybersecurity and defense software 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.

278Companies

3,982Contacts tracked

1,175Verified emails

186Mobile numbers

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The 25 largest cybersecurity and defense software companies based in Brazil

Ranked by team size

Top 25 of 278 cybersecurity and defense software 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	Kryptus SA	Brasilia	51-200	156	75
5	CG ONE	Sao Paulo	51-200	119	30
6	Network Secure	Fortaleza	51-200	116	60
7	Inorpel Cybersecurity	Cabedelo	51-200	103	24
8	EVAL	Sao Paulo	51-200	87	31
9	Apura Cyber Corp	Brasilia	51-200	82	53
10	Deltapoint	Sao Paulo	51-200	57	22
11	Bricon IT Solutions	Sao Paulo	51-200	57	11
12	Actar Peers Group	Campinas	51-200	55	27
13	Berghem	Sao Paulo	51-200	54	21
14	Cylk Technologing	Sao Paulo	51-200	49	21
15	Itprotect Brasil	Belem	11-50	46	22
16	Dinamo Networks	Rio De Janeiro	11-50	43	21
17	BĒNCE	Curitiba	11-50	42	28
18	UPX	Campinas	51-200	38	7
19	Qriar Technologies	Sao Paulo	11-50	34	20
20	Aplidigital	Barueri	11-50	34	17
21	Protega Managed Cybersecurity	Belo Horizonte	51-200	34	15
22	It4us Cyber Security	Sao Paulo	51-200	34	11
23	Starti	Mogi Das Cruzes	11-50	31	12
24	Focaldata	Barueri	11-50	27	12
25	Diazero Security	Sao Paulo	11-50	27	3

Showing 25 of 278 cybersecurity and defense software companies based in Brazil

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Cybersecurity and defense software companies based in Brazil at a glance

As of Aug 28, 2026

11-50Median size (employees)

Sao PauloLargest hub · 93 HQs

186Contacts with mobile numbers

3Emails re-verified in last 30 days

Companies by employee count

1-10

130

11-50

111

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Cybersecurity and defense software companies by metro

Metro	Companies
Cybersecurity and defense software companies in Sao Paulo	93
Cybersecurity and defense software companies in Rio De Janeiro	24
Cybersecurity and defense software companies in Brasilia	12
Cybersecurity and defense software companies in Curitiba	10
Cybersecurity and defense software companies in Belo Horizonte	8
Cybersecurity and defense software companies in Barueri	8
Cybersecurity and defense software companies in Campinas	8
Cybersecurity and defense software companies in Florianopolis	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 and defense software 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; 3 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 and defense software companies are there based in Brazil?

There are 278 cybersecurity and defense software 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 and defense software companies?

Sao Paulo leads with 93 headquartered companies, followed by Rio De Janeiro (24) and Brasilia (12).

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 1,175 verified decision-maker contacts tracked across these 278 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.