Company lists · Data verified August 2026

Top 25 Cybersecurity startups based in Brazil

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 764 companies tracked

There are 764 cybersecurity startups headquartered in Brazil (RevenueBase, August 2026). RevenueBase tracks 9,707 professional contacts across them, including 2,679 with verified work emails and 330 with mobile numbers. Sao Paulo is the largest hub.

This list covers cybersecurity startups 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.

764Companies

9,707Contacts tracked

2,679Verified emails

330Mobile numbers

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The 25 largest cybersecurity startups based in Brazil

Ranked by team size

Top 25 of 764 cybersecurity startups 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	Tripla	Sao Paulo	51-200	224	87
5	Redbelt Security	Sao Paulo	51-200	214	91
6	Stefanini Cyber	Sao Paulo	501-1,000	197	4
7	Clavis Segurança DA Informação	Sao Paulo	201-500	182	92
8	Future Technologies	Petropolis	51-200	144	60
9	Under Protection	Pinhais Alphaville	51-200	125	57
10	CG ONE	Sao Paulo	51-200	119	30
11	Network Secure	Fortaleza	51-200	116	60
12	Netsecurity	Sao Paulo	51-200	109	64
13	EVAL	Sao Paulo	51-200	87	31
14	Apura Cyber Corp	Brasilia	51-200	82	53
15	Foregenix	Sao Paulo	51-200	80	61
16	Netconn	Sao Paulo	51-200	78	25
17	Blockbit	Sao Paulo	51-200	78	20
18	Altasnet	Belo Horizonte	51-200	71	34
19	Conviso Application Security	Curitiba	51-200	70	14
20	Tenchi Security	Barueri	51-200	68	32
21	OL Tecnologia	Sao Paulo	51-200	68	23
22	Xsite Segurança DA Informação	Salvador	51-200	60	32
23	Deltapoint	Sao Paulo	51-200	57	22
24	Bricon IT Solutions	Sao Paulo	51-200	57	11
25	Dfense	Sao Paulo	51-200	55	22

Showing 25 of 764 cybersecurity startups based in Brazil

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Cybersecurity startups based in Brazil at a glance

As of Aug 28, 2026

1-10Median size (employees)

Sao PauloLargest hub · 255 HQs

330Contacts with mobile numbers

5Emails re-verified in last 30 days

Companies by employee count

1-10

403

11-50

278

51-200

201-500

501-1,000

1,001-5,000

10001+

Cybersecurity startups by metro

Metro	Companies
Cybersecurity startups in Sao Paulo	255
Cybersecurity startups in Rio De Janeiro	59
Cybersecurity startups in Curitiba	30
Cybersecurity startups in Brasilia	29
Cybersecurity startups in Belo Horizonte	28
Cybersecurity startups in Barueri	19
Cybersecurity startups in Porto Alegre	17
Cybersecurity startups in Recife	16

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 startups”, 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 startups are there based in Brazil?

There are 764 cybersecurity startups 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 startups?

Sao Paulo leads with 255 headquartered companies, followed by Rio De Janeiro (59) and Curitiba (30).

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 2,679 verified decision-maker contacts tracked across these 764 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.