Company lists · Data refreshed September 2026
Top 25 Cybersecurity firms based in Johannesburg, South Africa
RevenueBase identified 89 company matches for cybersecurity firms associated with Johannesburg, South Africa as of September 2026 and tracks 704 professional contacts across them, including 268 with verified work emails and 17 with mobile numbers. Across South Africa, Johannesburg is the largest hub for this category.
This list covers company matches for cybersecurity firms associated with Johannesburg, South Africa, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 10, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest cybersecurity firms based in Johannesburg, South Africa
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 130 contacts → | ||||
Exact match “Welcome back to the future, MWR CyberSec!” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 2 | 78 contacts → | ||||
Exact match “Securicom is a leading local IT security company offering an end-to-end range of cloud-based IT security services.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 3 | 62 contacts → | ||||
Exact match “AVeS Cyber Security forms part of the AVeS Cyber International group of companies.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 4 | 45 contacts → | ||||
Exact match “iGuardSA is a 24x7 Managed Security Services Provider focused on protecting organisations where disruption is not an option.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 5 | 40 contacts → | ||||
Exact match “Armata Cyber Security brings affordable, leading and differentiated AI-driven Cyber Security solutions and Managed Services to SMBs, mid sized businesses, and large enterprises.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 6 | 29 contacts → | ||||
Exact match “Cyberlinx Security is a B-BBEE Level 1 Cybersecurity company in South Africa.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 7 | 28 contacts → | ||||
Exact match “We offer the support and guidance of industry leaders and security specialists to help you accelerate your cybersecurity improvement via cutting-edge methodologies and risk…” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 8 | 22 contacts → | ||||
Exact match “Infoprotect is a trusted ICT Solution Provider specializing in Managed IT Services, from End-Points to Cloud Infrastructure, Cybersecurity to Compliance Management, and everything…” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 9 | 19 contacts → | ||||
Exact match “SecureConekt provides various Information Security services to a wide range of industries.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 10 | 16 contacts → | ||||
Exact match “ReportStar Technologies is a leading provider of cyber security solutions to the corporate, government and educational markets.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 11 | 14 contacts → | ||||
Exact match “Telspace Africa was established in 2002 by CEO Dino Covotsos, who is still Chairman of the Board.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 12 | 13 contacts → | ||||
Exact match “Access Zero is not just a cybersecurity company; we are architects of digital fortresses.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 13 | 11 contacts → | ||||
Exact match “South African-based company that provides cybersecurity, artificial intelligence and cloud computing services.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 14 | 9 contacts → | ||||
Exact match “Hubsec Solutions is a South African company specializing in big data analytics and cybersecurity.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 15 | 9 contacts → | ||||
Exact match “Cybersecurity for SMEs That Can’t Afford Downtime.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 16 | 5 contacts → | ||||
Exact match “CyberWin is a specialist cybersecurity distributor serving MSPs, resellers and ISPs across sub-Saharan Africa.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 17 | 5 contacts → | ||||
Exact match “Delivering cyber resilience solutions that ensure business continuity in the face of adverse cyber threats, Digital Resilience interlocks best in class IT, Network and Behavioural…” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 18 | 5 contacts → | ||||
Exact match “Fully managed IT services Cybersecurity services Backup and disaster recovery NOC Monitoring” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 19 | 4 contacts → | ||||
Exact match “ProStream is a South African Level 2 company.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 20 | 4 contacts → | ||||
Exact match “In today’s fast-paced and ever-evolving business landscape, NavegTech is your trusted partner in navigating the complexities of IT and Cyber Security.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 21 | 4 contacts → | ||||
Exact match “Cyber risk is recognized as a major obstacle to the achievement of business objectives.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 22 | 3 contacts → | ||||
Exact match “At CyberXperts we are all about delivering exceptional and top-class Information and Cyber Security Solutions to our valued clients.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 23 | 3 contacts → | ||||
Exact match “CyberData Group is a trusted name in the realm of data security and cybersecurity, dedicated to upholding data integrity and protecting against the ever-evolving landscape of…” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 24 | 3 contacts → | ||||
Exact match “Our mandate when we started FSI was to take a simple idea of taking data, security, and training, and turning it into rich intelligence and procedures for the advancement of our…” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 25 | 2 contacts → | ||||
Exact match “We help plant executives, CIOs, and CISOs reduce OT cyber risk and maintain production uptime,by bridging the divide between IT and OT teams.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “cybersecurity firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 89 cybersecurity firms based in Johannesburg, South Africa
See the full list, filter by size, metro and specialty, and access 268 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Cybersecurity firms based in Johannesburg, South Africa at a glance
As of Sep 10, 2026Companies by employee count
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 13.0dCompany record updated
Median 64.0dHow this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with Johannesburg, South Africa whose business descriptions match “cybersecurity firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- 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
- Every displayed company carries at least one verified work email. RevenueBase tracks 268 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 10, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Cybersecurity firms by metro in South Africa
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “cybersecurity firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many cybersecurity firms are there based in Johannesburg, South Africa?
RevenueBase identified 89 company matches for cybersecurity firms associated with Johannesburg, South Africa as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
MWR Cybersec tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in South Africa has the most cybersecurity firms?
Johannesburg leads South Africa with 89 company records, followed by Cape Town (62) and Pretoria (32).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 268 professional contacts with verified work emails tracked across these 89 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 10, 2026.
Ready to reach these companies? Verified emails and direct dials for all 89 cybersecurity firms based in Johannesburg, South Africa. Start with a free account, no credit card.
Download this list →Related lists
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- Cybersecurity firms based in Germany
- Cybersecurity firms based in Spain
- Cybersecurity firms based in the Netherlands
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 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 with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
Company intelligence · public preview
Top 25 cybersecurity firms based in Johannesburg, South Africa
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 89 matching company records for cybersecurity firms based in Johannesburg, South Africa, with 704 tracked contacts and 268 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 10, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 cybersecurity firms based in Johannesburg, South Africa
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  MWR Cybersecmwrcybersec.comHQ: Johannesburg, South AfricaReported employees: 51-200 | Johannesburg, South Africa | 51-200 | Exact match | 130 contacts → |
“Welcome back to the future, MWR CyberSec!” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Securicomsecuricom.co.zaHQ: Johannesburg, South AfricaReported employees: 51-200 | Johannesburg, South Africa | 51-200 | Exact match | 78 contacts → |
“Securicom is a leading local IT security company offering an end-to-end range of cloud-based IT security services.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Aves Cyber Securityaves.co.zaHQ: Johannesburg, South AfricaReported employees: 51-200 | Johannesburg, South Africa | 51-200 | Exact match | 62 contacts → |
“AVeS Cyber Security forms part of the AVeS Cyber International group of companies.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Iguardsaiguardsa.netHQ: Johannesburg, South AfricaReported employees: 51-200 | Johannesburg, South Africa | 51-200 | Exact match | 45 contacts → |
“iGuardSA is a 24x7 Managed Security Services Provider focused on protecting organisations where disruption is not an option.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Armata Cyber Securityarmata.co.zaHQ: Johannesburg, South AfricaReported employees: 51-200 | Johannesburg, South Africa | 51-200 | Exact match | 40 contacts → |
“Armata Cyber Security brings affordable, leading and differentiated AI-driven Cyber Security solutions and Managed Services to SMBs, mid sized businesses, and large enterprises.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Cyberlinx Securitycyberlinx.co.zaHQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 29 contacts → |
“Cyberlinx Security is a B-BBEE Level 1 Cybersecurity company in South Africa.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Scarybytescarybyte.co.zaHQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 28 contacts → |
“We offer the support and guidance of industry leaders and security specialists to help you accelerate your cybersecurity improvement via cutting-edge methodologies and risk…” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Infoprotect SAinfoprotect.co.zaHQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 22 contacts → |
“Infoprotect is a trusted ICT Solution Provider specializing in Managed IT Services, from End-Points to Cloud Infrastructure, Cybersecurity to Compliance Management, and everything…” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Secureconektsecureconekt.comHQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 19 contacts → |
“SecureConekt provides various Information Security services to a wide range of industries.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Reportstar Technologiesreportstar.netHQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 16 contacts → |
“ReportStar Technologies is a leading provider of cyber security solutions to the corporate, government and educational markets.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Telspace Africatelspace.comHQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 14 contacts → |
“Telspace Africa was established in 2002 by CEO Dino Covotsos, who is still Chairman of the Board.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Access Zero PTY LTDaccesszero.co.zaHQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 13 contacts → |
“Access Zero is not just a cybersecurity company; we are architects of digital fortresses.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Icloudzicloudz.co.zaHQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 11 contacts → |
“South African-based company that provides cybersecurity, artificial intelligence and cloud computing services.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Hubsechubsec.co.zaHQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 9 contacts → |
“Hubsec Solutions is a South African company specializing in big data analytics and cybersecurity.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Sisekelasisekela.comHQ: Johannesburg, South AfricaReported employees: 1-10 | Johannesburg, South Africa | 1-10 | Exact match | 9 contacts → |
“Cybersecurity for SMEs That Can’t Afford Downtime.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Cyberwincyberwin.co.zaHQ: Johannesburg, South AfricaReported employees: 1-10 | Johannesburg, South Africa | 1-10 | Exact match | 5 contacts → |
“CyberWin is a specialist cybersecurity distributor serving MSPs, resellers and ISPs across sub-Saharan Africa.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Digital Resiliencedigitalresilience.co.zaHQ: Johannesburg, South AfricaReported employees: 1-10 | Johannesburg, South Africa | 1-10 | Exact match | 5 contacts → |
“Delivering cyber resilience solutions that ensure business continuity in the face of adverse cyber threats, Digital Resilience interlocks best in class IT, Network and Behavioural…” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Tekstackzatekstack.co.zaHQ: Johannesburg, South AfricaReported employees: 1-10 | Johannesburg, South Africa | 1-10 | Exact match | 5 contacts → |
“Fully managed IT services Cybersecurity services Backup and disaster recovery NOC Monitoring” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Prostream South Africaprostream.co.zaHQ: Johannesburg, South AfricaReported employees: 51-200 | Johannesburg, South Africa | 51-200 | Exact match | 4 contacts → |
“ProStream is a South African Level 2 company.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Naveg Technologiesnaveg.co.zaHQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 4 contacts → |
“In today’s fast-paced and ever-evolving business landscape, NavegTech is your trusted partner in navigating the complexities of IT and Cyber Security.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Genisus Riskgenisusrisk.com HQ: Johannesburg, South AfricaReported employees: 1-10 | Johannesburg, South Africa | 1-10 | Exact match | 4 contacts → |
“Cyber risk is recognized as a major obstacle to the achievement of business objectives.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Cyberxpertscyberxperts.co.zaHQ: Johannesburg, South AfricaReported employees: 1-10 | Johannesburg, South Africa | 1-10 | Exact match | 3 contacts → |
“At CyberXperts we are all about delivering exceptional and top-class Information and Cyber Security Solutions to our valued clients.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Cyberdata Group PTY LTDcyberdatagroup.co.zaHQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 3 contacts → |
“CyberData Group is a trusted name in the realm of data security and cybersecurity, dedicated to upholding data integrity and protecting against the ever-evolving landscape of…” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | FSIf-si.co.za HQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 3 contacts → |
“Our mandate when we started FSI was to take a simple idea of taking data, security, and training, and turning it into rich intelligence and procedures for the advancement of our…” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Octarityoctarity.comHQ: Johannesburg, South AfricaReported employees: 1-10 | Johannesburg, South Africa | 1-10 | Exact match | 2 contacts → |
“We help plant executives, CIOs, and CISOs reduce OT cyber risk and maintain production uptime,by bridging the divide between IT and OT teams.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 89 company matches
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Cybersecurity firms: dataset insights
September 10, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
89 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 13.0dCompany record updated
Median 64.0dHow this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 10, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Cybersecurity firms by metro in South Africa
Questions about this company list
What does Exact match mean for cybersecurity firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many cybersecurity firms did RevenueBase find based in Johannesburg, South Africa?
The saved snapshot records 89 matching company records, 704 tracked contacts and 268 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 10, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Cybersecurity firms by geography
- Cybersecurity firms based in the United States
- Cybersecurity firms based in the United Kingdom
- Cybersecurity firms based in France
- Cybersecurity firms based in Canada
- Cybersecurity firms based in Brazil
- Cybersecurity firms based in Australia
- Cybersecurity firms based in Germany
- Cybersecurity firms based in Spain
- Cybersecurity firms based in the Netherlands
- Cybersecurity firms based in Italy
- Cybersecurity firms based in Israel
- Cybersecurity firms based in Mexico
Cite this list
RevenueBase Data Team. Top 25 cybersecurity firms based in Johannesburg, South Africa. Snapshot: September 10, 2026. https://revenuebase.ai/companies/cybersecurity-firms/south-africa/johannesburg.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 cybersecurity firms based in Johannesburg, South Africa
RevenueBase records 89 matching company records for cybersecurity firms based in Johannesburg, South Africa, with 704 tracked contacts and 268 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 10, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 cybersecurity firms based in Johannesburg, South Africa
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | MWR Cybersecmwrcybersec.com HQ: Johannesburg, South AfricaReported employees: 51-200 | Johannesburg, South Africa | 51-200 | Exact match | 130 contacts → |
“Welcome back to the future, MWR CyberSec!” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Securicomsecuricom.co.za HQ: Johannesburg, South AfricaReported employees: 51-200 | Johannesburg, South Africa | 51-200 | Exact match | 78 contacts → |
“Securicom is a leading local IT security company offering an end-to-end range of cloud-based IT security services.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Aves Cyber Securityaves.co.za HQ: Johannesburg, South AfricaReported employees: 51-200 | Johannesburg, South Africa | 51-200 | Exact match | 62 contacts → |
“AVeS Cyber Security forms part of the AVeS Cyber International group of companies.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Iguardsaiguardsa.net HQ: Johannesburg, South AfricaReported employees: 51-200 | Johannesburg, South Africa | 51-200 | Exact match | 45 contacts → |
“iGuardSA is a 24x7 Managed Security Services Provider focused on protecting organisations where disruption is not an option.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Armata Cyber Securityarmata.co.za HQ: Johannesburg, South AfricaReported employees: 51-200 | Johannesburg, South Africa | 51-200 | Exact match | 40 contacts → |
“Armata Cyber Security brings affordable, leading and differentiated AI-driven Cyber Security solutions and Managed Services to SMBs, mid sized businesses, and large enterprises.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Cyberlinx Securitycyberlinx.co.za HQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 29 contacts → |
“Cyberlinx Security is a B-BBEE Level 1 Cybersecurity company in South Africa.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Scarybytescarybyte.co.za HQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 28 contacts → |
“We offer the support and guidance of industry leaders and security specialists to help you accelerate your cybersecurity improvement via cutting-edge methodologies and risk…” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Infoprotect SAinfoprotect.co.za HQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 22 contacts → |
“Infoprotect is a trusted ICT Solution Provider specializing in Managed IT Services, from End-Points to Cloud Infrastructure, Cybersecurity to Compliance Management, and everything…” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Secureconektsecureconekt.com HQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 19 contacts → |
“SecureConekt provides various Information Security services to a wide range of industries.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Reportstar Technologiesreportstar.net HQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 16 contacts → |
“ReportStar Technologies is a leading provider of cyber security solutions to the corporate, government and educational markets.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Telspace Africatelspace.com HQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 14 contacts → |
“Telspace Africa was established in 2002 by CEO Dino Covotsos, who is still Chairman of the Board.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Access Zero PTY LTDaccesszero.co.za HQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 13 contacts → |
“Access Zero is not just a cybersecurity company; we are architects of digital fortresses.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Icloudzicloudz.co.za HQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 11 contacts → |
“South African-based company that provides cybersecurity, artificial intelligence and cloud computing services.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Hubsechubsec.co.za HQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 9 contacts → |
“Hubsec Solutions is a South African company specializing in big data analytics and cybersecurity.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Sisekelasisekela.com HQ: Johannesburg, South AfricaReported employees: 1-10 | Johannesburg, South Africa | 1-10 | Exact match | 9 contacts → |
“Cybersecurity for SMEs That Can’t Afford Downtime.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Cyberwincyberwin.co.za HQ: Johannesburg, South AfricaReported employees: 1-10 | Johannesburg, South Africa | 1-10 | Exact match | 5 contacts → |
“CyberWin is a specialist cybersecurity distributor serving MSPs, resellers and ISPs across sub-Saharan Africa.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Digital Resiliencedigitalresilience.co.za HQ: Johannesburg, South AfricaReported employees: 1-10 | Johannesburg, South Africa | 1-10 | Exact match | 5 contacts → |
“Delivering cyber resilience solutions that ensure business continuity in the face of adverse cyber threats, Digital Resilience interlocks best in class IT, Network and Behavioural…” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Tekstackzatekstack.co.za HQ: Johannesburg, South AfricaReported employees: 1-10 | Johannesburg, South Africa | 1-10 | Exact match | 5 contacts → |
“Fully managed IT services Cybersecurity services Backup and disaster recovery NOC Monitoring” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Prostream South Africaprostream.co.za HQ: Johannesburg, South AfricaReported employees: 51-200 | Johannesburg, South Africa | 51-200 | Exact match | 4 contacts → |
“ProStream is a South African Level 2 company.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Naveg Technologiesnaveg.co.za HQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 4 contacts → |
“In today’s fast-paced and ever-evolving business landscape, NavegTech is your trusted partner in navigating the complexities of IT and Cyber Security.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Genisus Riskgenisusrisk.com HQ: Johannesburg, South AfricaReported employees: 1-10 | Johannesburg, South Africa | 1-10 | Exact match | 4 contacts → |
“Cyber risk is recognized as a major obstacle to the achievement of business objectives.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Cyberxpertscyberxperts.co.za HQ: Johannesburg, South AfricaReported employees: 1-10 | Johannesburg, South Africa | 1-10 | Exact match | 3 contacts → |
“At CyberXperts we are all about delivering exceptional and top-class Information and Cyber Security Solutions to our valued clients.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Cyberdata Group PTY LTDcyberdatagroup.co.za HQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 3 contacts → |
“CyberData Group is a trusted name in the realm of data security and cybersecurity, dedicated to upholding data integrity and protecting against the ever-evolving landscape of…” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | FSIf-si.co.za HQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 3 contacts → |
“Our mandate when we started FSI was to take a simple idea of taking data, security, and training, and turning it into rich intelligence and procedures for the advancement of our…” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Octarityoctarity.com HQ: Johannesburg, South AfricaReported employees: 1-10 | Johannesburg, South Africa | 1-10 | Exact match | 2 contacts → |
“We help plant executives, CIOs, and CISOs reduce OT cyber risk and maintain production uptime,by bridging the divide between IT and OT teams.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 89 company matches
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Cybersecurity firms: dataset insights
September 10, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
89 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 13.0dCompany record updated
Median 64.0dHow this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 10, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Cybersecurity firms by metro in South Africa
Questions about this company list
What does Exact match mean for cybersecurity firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many cybersecurity firms did RevenueBase find based in Johannesburg, South Africa?
The saved snapshot records 89 matching company records, 704 tracked contacts and 268 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 10, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Cybersecurity firms by geography
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- Cybersecurity firms based in Brazil
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- Cybersecurity firms based in Germany
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Cite this list
RevenueBase Data Team. Top 25 cybersecurity firms based in Johannesburg, South Africa. Snapshot: September 10, 2026. https://revenuebase.ai/companies/cybersecurity-firms/south-africa/johannesburg.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗