Company lists · Data verified August 2026

Top 25 Defense cybersecurity companies based in South Africa

Name: Defense cybersecurity companies based in South Africa
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 131 companies tracked

There are 131 defense cybersecurity companies headquartered in South Africa (RevenueBase, August 2026). RevenueBase tracks 1,472 professional contacts across them, including 500 with verified work emails and 63 with mobile numbers. Johannesburg is the largest hub.

This list covers defense cybersecurity companies headquartered in South Africa, 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.

131Companies

1,472Contacts tracked

500Verified emails

63Mobile numbers

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The 25 largest defense cybersecurity companies based in South Africa

Ranked by team size

Top 25 of 131 defense cybersecurity companies based in South Africa, 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	Cyber1 Solutions	Sandton	51-200	235	24
2	Performanta	Cape Town	51-200	153	103
3	SECON	Durban	11-50	122	27
4	Conosco	Natal	51-200	105	63
5	Sourceworx	Johannesburg	51-200	50	25
6	Dataproof Communications	Sandton	n/a	47	15
7	Armata Cyber Security	Johannesburg	51-200	39	25
8	Redshift Cyber Security PTY LTD	Bryanston	11-50	35	28
9	Scarybyte	Johannesburg	11-50	28	12
10	Iconis	Cape Town	51-200	26	17
11	Bitcrack Cyber Security	Sandton Johannesburg	11-50	25	16
12	Take Note Group Of Companies	Sandton	11-50	21	7
13	MRB Secure PTY LTD RF	Fourways	11-50	20	13
14	Cyber83	Pretoria	11-50	19	10
15	Cyberrey	Johannesburg	11-50	19	3
16	Clyrofor SA	Midrand	11-50	17	3
17	Reportstar Technologies	Johannesburg	11-50	16	7
18	Techex Digital Solutions	Headquarters	11-50	15	8
19	Telspace Africa	Johannesburg	11-50	15	2
20	Prima Secure	Johannesburg	11-50	14	3
21	Infosec Advisory Group	Cape Town	11-50	13	7
22	Condyn Cybersecurity Solutions Provider	Centurion	1-10	13	4
23	Access Zero PTY LTD	Johannesburg	11-50	13	3
24	Secured Enterprise	Umhlanga	51-200	12	3
25	Bluevision	Jhb	11-50	11	1

Showing 25 of 131 defense cybersecurity companies based in South Africa

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Defense cybersecurity companies based in South Africa at a glance

As of Aug 28, 2026

1-10Median size (employees)

JohannesburgLargest hub · 38 HQs

63Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Defense cybersecurity companies by metro

Metro	Companies
Defense cybersecurity companies in Johannesburg	38
Defense cybersecurity companies in Cape Town	22
Defense cybersecurity companies in Pretoria	12
Defense cybersecurity companies in Sandton	9
Defense cybersecurity companies in Centurion	6
Defense cybersecurity companies in Midrand	6
Defense cybersecurity companies in Bryanston	3

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 “defense cybersecurity companies”, with match quality audited by blind human judging, and headquartered in South Africa.
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 defense cybersecurity companies are there based in South Africa?

There are 131 defense cybersecurity companies headquartered in South Africa as of August 2026 (RevenueBase).

What is the largest company on this list?

Cyber1 Solutions, headquartered in Sandton, tops this list with the largest team on record.

Which city has the most defense cybersecurity companies?

Johannesburg leads with 38 headquartered companies, followed by Cape Town (22) and Pretoria (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 500 verified decision-maker contacts tracked across these 131 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.