Company lists · Data refreshed September 2026
Top 25 Cybersecurity firms based in Australia
RevenueBase identified 990 company matches for cybersecurity firms associated with Australia as of September 2026 and tracks 10,054 professional contacts across them, including 4,345 with verified work emails and 599 with mobile numbers. Sydney is the largest hub.
This list covers company matches for cybersecurity firms associated with Australia, 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 1, 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 Australia
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 387 contacts → | ||||
Exact match “ITSEC Asia is a leading cybersecurity company in Indonesia, listed on the Indonesian Stock Exchange (“CYBR”), with over 400 employees across five countries.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 2 | 349 contacts → | ||||
Exact match “We are an Australian-owned, full-service ICT Solutions and Cyber Security provider with a locally based team of over 450 passionate Aussies.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 3 | 199 contacts → | ||||
Exact match “Webroot, an OpenText company, was the first to harness the cloud and artificial intelligence to stop zero-day threats in real time.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 4 | 165 contacts → | ||||
Exact match “Virtual IT Group is Australia & New Zealand's leading managed IT cybersecurity provider.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 5 | 123 contacts → | ||||
Exact match “Triskele Labs is one of Australia’s fastest growing cybersecurity companies.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 6 | 122 contacts → | ||||
Exact match “Optic Security Group is a leading provider of converged security risk management solutions serving the needs of corporate, enterprise, and government clients across Australia and…” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 7 | 122 contacts → | ||||
Exact match “Infotrust (ITS) is Australia’s leading cyber security and managed technology services provider listed on the ASX.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 8 | 109 contacts → | ||||
Exact match “Red Sift enables organizations to anticipate, respond to, and recover from cyber attacks while continuing to operate effectively.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 9 | 105 contacts → | ||||
Exact match “ARA Security delivers turnkey security solutions to a number of industries across Australia.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 10 | 105 contacts → | ||||
Exact match “AUCyber is a leading Australian cyber security and secure cloud provider, specialising in supporting businesses and Governments with the latest cloud infrastructure, backup and…” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 11 | 102 contacts → | ||||
Exact match “Cybersecurity company Secutec was founded in 2005 and is considered an authority in the field of cybersecurity, threat intelligence, and incident response services tailored to…” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 12 | 100 contacts → | ||||
Exact match “Sekuro is a cyber security and digital resiliency solutions provider that helps CIOs and CISOs take a strategic approach to cyber security risk mitigation and building business…” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 13 | 99 contacts → | ||||
Exact match “Consunet is 100% Australian-owned and operated, with 20 years of market participation resulting in capability and capacity to lead major projects as a trusted industry partner to…” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 14 | 98 contacts → | ||||
Exact match “We are your IT & Cyber Security partners.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 15 | 91 contacts → | ||||
Exact match “Australia’s cyber-first Managed Service Provider and true technology partner.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 16 | 90 contacts → | ||||
Exact match “Informatech is a veteran led business and specialises in ICT within Defence.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 17 | 87 contacts → | ||||
Exact match “Secure Agility is a Australian-based technology partner specialising in secure managed IT services for NSW government, enterprise and mid-market organisations.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 18 | 70 contacts → | ||||
Exact match “Northbridge is an Australian-owned cybersecurity services provider with more than 25 years’ experience delivering engineered, integrated and fully managed security services to…” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 19 | 63 contacts → | ||||
Exact match “Entersoft Security is an AI-enabled cybersecurity services firm helping modern enterprises build, ship, and operate secure digital products at scale.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 20 | 61 contacts → | ||||
Exact match “Skillfield is a Melbourne-born Cyber Security, AI and big data solutions provider and professional services consultancy.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 21 | 60 contacts → | ||||
Exact match “e2e-assure is the UK's leading specialist in Managed Threat Detection and Response through our 24/7/365 UK owned and operated Security Operations Centre (SOC).” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 22 | 58 contacts → | ||||
Exact match “archTIS Limited (ASX:AR9, OTCQB:ARHLF) is a global provider of data-centric security solutions for the secure collaboration of sensitive information.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 23 | 58 contacts → | ||||
Exact match “Discover 3Columns, your premier destination for cutting-edge cyber security solutions.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 24 | 56 contacts → | ||||
Exact match “ctrl:cyber is an Australian owned and operated cybersecurity partner delivering tailored end-to-end solutions for industry-leading organisations.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 25 | 54 contacts → | ||||
Exact match “Supporting accounting professionals, Practice Protect is the largest cyber security platform for the modern accounting firm.” Recorded in the RevenueBase company graph · Sep 1, 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 990 cybersecurity firms based in Australia
See the full list, filter by size, metro and specialty, and access 4,345 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Cybersecurity firms based in Australia at a glance
As of Sep 1, 2026Companies by employee count
How 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 Australia 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 4,345 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 1, 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
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 Australia?
RevenueBase identified 990 company matches for cybersecurity firms associated with Australia 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?
PT Itsec Asia TBK tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most cybersecurity firms?
Sydney leads with 212 company records, followed by Melbourne (197) and Brisbane (96).
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 4,345 professional contacts with verified work emails tracked across these 990 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 1, 2026.
Ready to reach these companies? Verified emails and direct dials for all 990 cybersecurity firms based in Australia. Start with a free account, no credit card.
Download this list →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 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
- Cybersecurity firms based in South Africa
Browse the directory
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 Australia
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 990 matching company records for cybersecurity firms based in Australia, with 10,054 tracked contacts and 4,345 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 1, 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 Australia
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 |  PT Itsec Asia TBKitsec.asiaHQ: HQ not recorded; location: Melbourne, AustraliaReported employees: 201-500 | HQ not recorded; location: Melbourne, Australia | 201-500 | Exact match | 387 contacts → |
“ITSEC Asia is a leading cybersecurity company in Indonesia, listed on the Indonesian Stock Exchange (“CYBR”), with over 400 employees across five countries.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Centorrino Technologiesct.com.auHQ: HQ not recorded; location: Coburg, AustraliaReported employees: 201-500 | HQ not recorded; location: Coburg, Australia | 201-500 | Exact match | 349 contacts → |
“We are an Australian-owned, full-service ICT Solutions and Cyber Security provider with a locally based team of over 450 passionate Aussies.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Webrootwebroot.comHQ: HQ not recorded; location: Chatswood, AustraliaReported employees: 501-1,000 | HQ not recorded; location: Chatswood, Australia | 501-1,000 | Exact match | 199 contacts → |
“Webroot, an OpenText company, was the first to harness the cloud and artificial intelligence to stop zero-day threats in real time.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Virtual IT Group Vitgvitg.com.auHQ: HQ not recorded; location: Sydney, AustraliaReported employees: 201-500 | HQ not recorded; location: Sydney, Australia | 201-500 | Exact match | 165 contacts → |
“Virtual IT Group is Australia & New Zealand's leading managed IT cybersecurity provider.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Triskele Labstriskelelabs.comHQ: HQ not recorded; location: Melbourne, AustraliaReported employees: 51-200 | HQ not recorded; location: Melbourne, Australia | 51-200 | Exact match | 123 contacts → |
“Triskele Labs is one of Australia’s fastest growing cybersecurity companies.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Optic Security Groupopticsecuritygroup.comHQ: HQ not recorded; location: Broome, AustraliaReported employees: 201-500 | HQ not recorded; location: Broome, Australia | 201-500 | Exact match | 122 contacts → |
“Optic Security Group is a leading provider of converged security risk management solutions serving the needs of corporate, enterprise, and government clients across Australia and…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Infotrustinfotrust.com.auHQ: HQ not recorded; location: Sydney, AustraliaReported employees: 201-500 | HQ not recorded; location: Sydney, Australia | 201-500 | Exact match | 122 contacts → |
“Infotrust (ITS) is Australia’s leading cyber security and managed technology services provider listed on the ASX.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  RED Siftredsift.comHQ: HQ not recorded; location: Surry Hills, AustraliaReported employees: 51-200 | HQ not recorded; location: Surry Hills, Australia | 51-200 | Exact match | 109 contacts → |
“Red Sift enables organizations to anticipate, respond to, and recover from cyber attacks while continuing to operate effectively.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  ARA Securitysecurity.aragroup.com.auHQ: HQ not recorded; location: Wangara, AustraliaReported employees: 201-500 | HQ not recorded; location: Wangara, Australia | 201-500 | Exact match | 105 contacts → |
“ARA Security delivers turnkey security solutions to a number of industries across Australia.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Aucyberaucyber.com.auHQ: HQ not recorded; location: Fortitude Valley, AustraliaReported employees: 51-200 | HQ not recorded; location: Fortitude Valley, Australia | 51-200 | Exact match | 105 contacts → |
“AUCyber is a leading Australian cyber security and secure cloud provider, specialising in supporting businesses and Governments with the latest cloud infrastructure, backup and…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Secutecsecutec.comHQ: HQ not recorded; location: Sydney, AustraliaReported employees: 51-200 | HQ not recorded; location: Sydney, Australia | 51-200 | Exact match | 102 contacts → |
“Cybersecurity company Secutec was founded in 2005 and is considered an authority in the field of cybersecurity, threat intelligence, and incident response services tailored to…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Sekurosekuro.ioHQ: HQ not recorded; location: AustraliaReported employees: 51-200 | HQ not recorded; location: Australia | 51-200 | Exact match | 100 contacts → |
“Sekuro is a cyber security and digital resiliency solutions provider that helps CIOs and CISOs take a strategic approach to cyber security risk mitigation and building business…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Consunet PTY LTDconsunet.com.auHQ: HQ not recorded; location: Adelaide, AustraliaReported employees: 51-200 | HQ not recorded; location: Adelaide, Australia | 51-200 | Exact match | 99 contacts → |
“Consunet is 100% Australian-owned and operated, with 20 years of market participation resulting in capability and capacity to lead major projects as a trusted industry partner to…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Ever Nimbleevernimble.comHQ: HQ not recorded; location: Fortitude Valley, AustraliaReported employees: 51-200 | HQ not recorded; location: Fortitude Valley, Australia | 51-200 | Exact match | 98 contacts → |
“We are your IT & Cyber Security partners.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Kaine Mathrick Techkmtech.com.auHQ: HQ not recorded; location: Sydney, AustraliaReported employees: 51-200 | HQ not recorded; location: Sydney, Australia | 51-200 | Exact match | 91 contacts → |
“Australia’s cyber-first Managed Service Provider and true technology partner.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Informatech PTY LTDinformatech.com.auHQ: HQ not recorded; location: Canberra, AustraliaReported employees: 51-200 | HQ not recorded; location: Canberra, Australia | 51-200 | Exact match | 90 contacts → |
“Informatech is a veteran led business and specialises in ICT within Defence.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Secure Agilitysecureagility.comHQ: HQ not recorded; location: Sydney, AustraliaReported employees: 51-200 | HQ not recorded; location: Sydney, Australia | 51-200 | Exact match | 87 contacts → |
“Secure Agility is a Australian-based technology partner specialising in secure managed IT services for NSW government, enterprise and mid-market organisations.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Northbridge Systemsnorth-bridge.com.auHQ: HQ not recorded; location: St Leonards, AustraliaReported employees: 51-200 | HQ not recorded; location: St Leonards, Australia | 51-200 | Exact match | 70 contacts → |
“Northbridge is an Australian-owned cybersecurity services provider with more than 25 years’ experience delivering engineered, integrated and fully managed security services to…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Entersoft Securityentersoft.com.auHQ: HQ not recorded; location: Brisbane, AustraliaReported employees: 51-200 | HQ not recorded; location: Brisbane, Australia | 51-200 | Exact match | 63 contacts → |
“Entersoft Security is an AI-enabled cybersecurity services firm helping modern enterprises build, ship, and operate secure digital products at scale.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Skillfieldskillfield.com.auHQ: HQ not recorded; location: Melbourne, AustraliaReported employees: 51-200 | HQ not recorded; location: Melbourne, Australia | 51-200 | Exact match | 61 contacts → |
“Skillfield is a Melbourne-born Cyber Security, AI and big data solutions provider and professional services consultancy.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  E2e-Assuree2e-assure.comHQ: HQ not recorded; location: Canberra, AustraliaReported employees: 51-200 | HQ not recorded; location: Canberra, Australia | 51-200 | Exact match | 60 contacts → |
“e2e-assure is the UK's leading specialist in Managed Threat Detection and Response through our 24/7/365 UK owned and operated Security Operations Centre (SOC).” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Archtisarchtis.comHQ: HQ not recorded; location: Barton, AustraliaReported employees: 51-200 | HQ not recorded; location: Barton, Australia | 51-200 | Exact match | 58 contacts → |
“archTIS Limited (ASX:AR9, OTCQB:ARHLF) is a global provider of data-centric security solutions for the secure collaboration of sensitive information.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  3columns3columns.ioHQ: HQ not recorded; location: AustraliaReported employees: 51-200 | HQ not recorded; location: Australia | 51-200 | Exact match | 58 contacts → |
“Discover 3Columns, your premier destination for cutting-edge cyber security solutions.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Ctrl Cyberctrl.coHQ: HQ not recorded; location: Sydney, AustraliaReported employees: 51-200 | HQ not recorded; location: Sydney, Australia | 51-200 | Exact match | 56 contacts → |
“ctrl:cyber is an Australian owned and operated cybersecurity partner delivering tailored end-to-end solutions for industry-leading organisations.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Practice Protectpracticeprotect.comHQ: HQ not recorded; location: Brisbane, AustraliaReported employees: 51-200 | HQ not recorded; location: Brisbane, Australia | 51-200 | Exact match | 54 contacts → |
“Supporting accounting professionals, Practice Protect is the largest cyber security platform for the modern accounting firm.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 990 company matches
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Cybersecurity firms: dataset insights
September 1, 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
985 records in the displayed employee bands.
5 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
How 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 1, 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
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 Australia?
The saved snapshot records 990 matching company records, 10,054 tracked contacts and 4,345 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 1, 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 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
- Cybersecurity firms based in South Africa
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 cybersecurity firms based in Australia. Snapshot: September 1, 2026. https://revenuebase.ai/companies/cybersecurity-firms/australia.
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 Australia
RevenueBase records 990 matching company records for cybersecurity firms based in Australia, with 10,054 tracked contacts and 4,345 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 1, 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 Australia
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 | PT Itsec Asia TBKitsec.asia HQ: HQ not recorded; location: Melbourne, AustraliaReported employees: 201-500 | HQ not recorded; location: Melbourne, Australia | 201-500 | Exact match | 387 contacts → |
“ITSEC Asia is a leading cybersecurity company in Indonesia, listed on the Indonesian Stock Exchange (“CYBR”), with over 400 employees across five countries.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Centorrino Technologiesct.com.au HQ: HQ not recorded; location: Coburg, AustraliaReported employees: 201-500 | HQ not recorded; location: Coburg, Australia | 201-500 | Exact match | 349 contacts → |
“We are an Australian-owned, full-service ICT Solutions and Cyber Security provider with a locally based team of over 450 passionate Aussies.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Webrootwebroot.com HQ: HQ not recorded; location: Chatswood, AustraliaReported employees: 501-1,000 | HQ not recorded; location: Chatswood, Australia | 501-1,000 | Exact match | 199 contacts → |
“Webroot, an OpenText company, was the first to harness the cloud and artificial intelligence to stop zero-day threats in real time.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Virtual IT Group Vitgvitg.com.au HQ: HQ not recorded; location: Sydney, AustraliaReported employees: 201-500 | HQ not recorded; location: Sydney, Australia | 201-500 | Exact match | 165 contacts → |
“Virtual IT Group is Australia & New Zealand's leading managed IT cybersecurity provider.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Triskele Labstriskelelabs.com HQ: HQ not recorded; location: Melbourne, AustraliaReported employees: 51-200 | HQ not recorded; location: Melbourne, Australia | 51-200 | Exact match | 123 contacts → |
“Triskele Labs is one of Australia’s fastest growing cybersecurity companies.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Optic Security Groupopticsecuritygroup.com HQ: HQ not recorded; location: Broome, AustraliaReported employees: 201-500 | HQ not recorded; location: Broome, Australia | 201-500 | Exact match | 122 contacts → |
“Optic Security Group is a leading provider of converged security risk management solutions serving the needs of corporate, enterprise, and government clients across Australia and…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Infotrustinfotrust.com.au HQ: HQ not recorded; location: Sydney, AustraliaReported employees: 201-500 | HQ not recorded; location: Sydney, Australia | 201-500 | Exact match | 122 contacts → |
“Infotrust (ITS) is Australia’s leading cyber security and managed technology services provider listed on the ASX.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | RED Siftredsift.com HQ: HQ not recorded; location: Surry Hills, AustraliaReported employees: 51-200 | HQ not recorded; location: Surry Hills, Australia | 51-200 | Exact match | 109 contacts → |
“Red Sift enables organizations to anticipate, respond to, and recover from cyber attacks while continuing to operate effectively.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | ARA Securitysecurity.aragroup.com.au HQ: HQ not recorded; location: Wangara, AustraliaReported employees: 201-500 | HQ not recorded; location: Wangara, Australia | 201-500 | Exact match | 105 contacts → |
“ARA Security delivers turnkey security solutions to a number of industries across Australia.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Aucyberaucyber.com.au HQ: HQ not recorded; location: Fortitude Valley, AustraliaReported employees: 51-200 | HQ not recorded; location: Fortitude Valley, Australia | 51-200 | Exact match | 105 contacts → |
“AUCyber is a leading Australian cyber security and secure cloud provider, specialising in supporting businesses and Governments with the latest cloud infrastructure, backup and…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Secutecsecutec.com HQ: HQ not recorded; location: Sydney, AustraliaReported employees: 51-200 | HQ not recorded; location: Sydney, Australia | 51-200 | Exact match | 102 contacts → |
“Cybersecurity company Secutec was founded in 2005 and is considered an authority in the field of cybersecurity, threat intelligence, and incident response services tailored to…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Sekurosekuro.io HQ: HQ not recorded; location: AustraliaReported employees: 51-200 | HQ not recorded; location: Australia | 51-200 | Exact match | 100 contacts → |
“Sekuro is a cyber security and digital resiliency solutions provider that helps CIOs and CISOs take a strategic approach to cyber security risk mitigation and building business…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Consunet PTY LTDconsunet.com.au HQ: HQ not recorded; location: Adelaide, AustraliaReported employees: 51-200 | HQ not recorded; location: Adelaide, Australia | 51-200 | Exact match | 99 contacts → |
“Consunet is 100% Australian-owned and operated, with 20 years of market participation resulting in capability and capacity to lead major projects as a trusted industry partner to…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Ever Nimbleevernimble.com HQ: HQ not recorded; location: Fortitude Valley, AustraliaReported employees: 51-200 | HQ not recorded; location: Fortitude Valley, Australia | 51-200 | Exact match | 98 contacts → |
“We are your IT & Cyber Security partners.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Kaine Mathrick Techkmtech.com.au HQ: HQ not recorded; location: Sydney, AustraliaReported employees: 51-200 | HQ not recorded; location: Sydney, Australia | 51-200 | Exact match | 91 contacts → |
“Australia’s cyber-first Managed Service Provider and true technology partner.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Informatech PTY LTDinformatech.com.au HQ: HQ not recorded; location: Canberra, AustraliaReported employees: 51-200 | HQ not recorded; location: Canberra, Australia | 51-200 | Exact match | 90 contacts → |
“Informatech is a veteran led business and specialises in ICT within Defence.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Secure Agilitysecureagility.com HQ: HQ not recorded; location: Sydney, AustraliaReported employees: 51-200 | HQ not recorded; location: Sydney, Australia | 51-200 | Exact match | 87 contacts → |
“Secure Agility is a Australian-based technology partner specialising in secure managed IT services for NSW government, enterprise and mid-market organisations.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Northbridge Systemsnorth-bridge.com.au HQ: HQ not recorded; location: St Leonards, AustraliaReported employees: 51-200 | HQ not recorded; location: St Leonards, Australia | 51-200 | Exact match | 70 contacts → |
“Northbridge is an Australian-owned cybersecurity services provider with more than 25 years’ experience delivering engineered, integrated and fully managed security services to…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Entersoft Securityentersoft.com.au HQ: HQ not recorded; location: Brisbane, AustraliaReported employees: 51-200 | HQ not recorded; location: Brisbane, Australia | 51-200 | Exact match | 63 contacts → |
“Entersoft Security is an AI-enabled cybersecurity services firm helping modern enterprises build, ship, and operate secure digital products at scale.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Skillfieldskillfield.com.au HQ: HQ not recorded; location: Melbourne, AustraliaReported employees: 51-200 | HQ not recorded; location: Melbourne, Australia | 51-200 | Exact match | 61 contacts → |
“Skillfield is a Melbourne-born Cyber Security, AI and big data solutions provider and professional services consultancy.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | E2e-Assuree2e-assure.com HQ: HQ not recorded; location: Canberra, AustraliaReported employees: 51-200 | HQ not recorded; location: Canberra, Australia | 51-200 | Exact match | 60 contacts → |
“e2e-assure is the UK's leading specialist in Managed Threat Detection and Response through our 24/7/365 UK owned and operated Security Operations Centre (SOC).” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Archtisarchtis.com HQ: HQ not recorded; location: Barton, AustraliaReported employees: 51-200 | HQ not recorded; location: Barton, Australia | 51-200 | Exact match | 58 contacts → |
“archTIS Limited (ASX:AR9, OTCQB:ARHLF) is a global provider of data-centric security solutions for the secure collaboration of sensitive information.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | 3columns3columns.io HQ: HQ not recorded; location: AustraliaReported employees: 51-200 | HQ not recorded; location: Australia | 51-200 | Exact match | 58 contacts → |
“Discover 3Columns, your premier destination for cutting-edge cyber security solutions.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Ctrl Cyberctrl.co HQ: HQ not recorded; location: Sydney, AustraliaReported employees: 51-200 | HQ not recorded; location: Sydney, Australia | 51-200 | Exact match | 56 contacts → |
“ctrl:cyber is an Australian owned and operated cybersecurity partner delivering tailored end-to-end solutions for industry-leading organisations.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Practice Protectpracticeprotect.com HQ: HQ not recorded; location: Brisbane, AustraliaReported employees: 51-200 | HQ not recorded; location: Brisbane, Australia | 51-200 | Exact match | 54 contacts → |
“Supporting accounting professionals, Practice Protect is the largest cyber security platform for the modern accounting firm.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Cybersecurity firms: dataset insights
September 1, 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
985 records in the displayed employee bands.
5 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
How 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 1, 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
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 Australia?
The saved snapshot records 990 matching company records, 10,054 tracked contacts and 4,345 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 1, 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.
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Cite this list
RevenueBase Data Team. Top 25 cybersecurity firms based in Australia. Snapshot: September 1, 2026. https://revenuebase.ai/companies/cybersecurity-firms/australia.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗