Company lists · Data refreshed September 2026
Top 20 Cybersecurity and defense software companies based in Sydney, Australia
RevenueBase identified 42 company matches for cybersecurity and defense software companies associated with Sydney, Australia as of September 2026 and tracks 393 professional contacts across them, including 156 with verified work emails and 15 with mobile numbers. Across Australia, Melbourne is the largest hub for this category (39 companies); Sydney follows with 34.
This list covers company matches for cybersecurity and defense software companies associated with Sydney, 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 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 20 largest cybersecurity and defense software companies based in Sydney, Australia
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 10, 2026 · View company records in RevenueBase | |||||
| 2 | 33 contacts → | ||||
Exact match “NSB Cyber is an Australian-founded, privately owned cyber security company based in Sydney.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 3 | 30 contacts → | ||||
Exact match “At Nueva, we aim to create a safer digital environment by providing innovative and customised cybersecurity solutions for our clients.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 4 | 26 contacts → | ||||
Exact match “Minimise the risk of a cybersecurity incident.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 5 | 24 contacts → | ||||
Exact match “ThreatDefence provides innovative Security Operations and cyber defence solutions to MSPs and Enterprises.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 6 | 19 contacts → | ||||
Exact match “Threat Intelligence is different.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 7 | 18 contacts → | ||||
Exact match “NCC Group exists to make the world safer and more secure.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 8 | 14 contacts → | ||||
Exact match “Morrisec provides tailored security strategies and services that align with each company’s specific threat landscape, risk profile, and strategic goals.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 9 | 10 contacts → | ||||
Exact match “With ZIRILIO on your side, the digital world just became safer.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 10 | 9 contacts → | ||||
Exact match “CyberHub was established with the aim of making Cyber Security more available to companies of all sizes.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 11 | 7 contacts → | ||||
Exact match “IQBOX helps you pinpoint your organization’s most pressing vulnerabilities, eliminate critical threats, and implement a security program that leaves you free to focus on…” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 12 | 6 contacts → | ||||
Exact match “Founded in 2016, Dvuln is a globally CREST-certified cybersecurity firm specialising in advanced penetration testing, adversary simulation, attacker-led threat hunting, and…” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 13 | 6 contacts → | ||||
Exact match “Cyberlinx is a premier cyber security solutions and services provider, we offer a comprehensive range of cyber security solutions, including, infrastructure and network security…” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 14 | 5 contacts → | ||||
Exact match “Fort1: Comprehensive Cybersecurity Services based in Australia.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 15 | 5 contacts → | ||||
Exact match “At D2UNet, we take a multi-faceted approach to cybersecurity.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 16 | 3 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 17 | 2 contacts → | ||||
Exact match “Advena is an emerging leader in software-driven intelligence and cybersecurity.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 18 | 2 contacts → | ||||
Exact match “At CAP, we understand that in today's digital landscape, cybersecurity isn't just about defence; it's also about readiness.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 19 | 1 contacts → | ||||
Exact match “With over 20 years in the security industry and over 30 years of providing electronic solutions to technology sectors within construction, banking, defence, education, IT &…” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 20 | 1 contacts → | ||||
Exact match “We are a well established IT company specialising in small business IT and Cyber Security needs.” 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 and defense software companies”. 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 20 of 42 cybersecurity and defense software companies based in Sydney, Australia
See the full list, filter by size, metro and specialty, and access 156 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Cybersecurity and defense software companies based in Sydney, Australia 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 12.0dCompany record updated
Median 73.0dHow 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 Sydney, Australia whose business descriptions match “cybersecurity and defense software companies” 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 156 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 and defense software companies by metro in Australia
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 and defense software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many cybersecurity and defense software companies are there based in Sydney, Australia?
RevenueBase identified 42 company matches for cybersecurity and defense software companies associated with Sydney, 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?
Northbridge Systems tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in Australia has the most cybersecurity and defense software companies?
Melbourne leads Australia with 39 company records, followed by Sydney (34) and Brisbane (20).
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 156 professional contacts with verified work emails tracked across these 42 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 42 cybersecurity and defense software companies based in Sydney, Australia. Start with a free account, no credit card.
Download this list →Related lists
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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.
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Company intelligence · public preview
Top 20 cybersecurity and defense software companies based in Sydney, Australia
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 42 matching company records for cybersecurity and defense software companies based in Sydney, Australia, with 393 tracked contacts and 156 verified work emails.
This public preview shows 20 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 20 cybersecurity and defense software companies based in Sydney, 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 |  Northbridge Systemsnorth-bridge.com.auHQ: Sydney, AustraliaReported employees: 51-200 | Sydney, 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 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  NSB Cybernsbcyber.comHQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 33 contacts → |
“NSB Cyber is an Australian-founded, privately owned cyber security company based in Sydney.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  NUEVAnuevasolutions.comHQ: Sydney, AustraliaReported employees: 51-200 | Sydney, Australia | 51-200 | Exact match | 30 contacts → |
“At Nueva, we aim to create a safer digital environment by providing innovative and customised cybersecurity solutions for our clients.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Datcom Clouddatcom.com.auHQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 26 contacts → |
“Minimise the risk of a cybersecurity incident.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Threatdefencethreatdefence.comHQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 24 contacts → |
“ThreatDefence provides innovative Security Operations and cyber defence solutions to MSPs and Enterprises.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Threat Intelligencecalendly.comHQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 19 contacts → |
“Threat Intelligence is different.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  NCC Group Apacnccgroup.comHQ: Sydney, AustraliaReported employees: 1,001-5,000 | Sydney, Australia | 1,001-5,000 | Exact match | 18 contacts → |
“NCC Group exists to make the world safer and more secure.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Morrisecmorrisec.com.auHQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 14 contacts → |
“Morrisec provides tailored security strategies and services that align with each company’s specific threat landscape, risk profile, and strategic goals.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Ziriliozirilio.comHQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 10 contacts → |
“With ZIRILIO on your side, the digital world just became safer.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Cyberhub Groupcyberhub.aiHQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 9 contacts → |
“CyberHub was established with the aim of making Cyber Security more available to companies of all sizes.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Iqbox PTY LTDiqbox.com.auHQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 7 contacts → |
“IQBOX helps you pinpoint your organization’s most pressing vulnerabilities, eliminate critical threats, and implement a security program that leaves you free to focus on…” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  DVULNdvuln.comHQ: Sydney, AustraliaReported employees: 1-10 | Sydney, Australia | 1-10 | Exact match | 6 contacts → |
“Founded in 2016, Dvuln is a globally CREST-certified cybersecurity firm specialising in advanced penetration testing, adversary simulation, attacker-led threat hunting, and…” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Cyberlinxcyberlinx.com.auHQ: Sydney, AustraliaReported employees: 1-10 | Sydney, Australia | 1-10 | Exact match | 6 contacts → |
“Cyberlinx is a premier cyber security solutions and services provider, we offer a comprehensive range of cyber security solutions, including, infrastructure and network security…” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Fort1 PTY LTDfort1.com.auHQ: Sydney, AustraliaReported employees: 1-10 | Sydney, Australia | 1-10 | Exact match | 5 contacts → |
“Fort1: Comprehensive Cybersecurity Services based in Australia.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  D2unet PTY LTDd2unet.com.auHQ: Sydney, AustraliaReported employees: 1-10 | Sydney, Australia | 1-10 | Exact match | 5 contacts → |
“At D2UNet, we take a multi-faceted approach to cybersecurity.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Sense Of Securitycybercx.com.auHQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 |  Advenaadvena.com.auHQ: Sydney, AustraliaReported employees: 1-10 | Sydney, Australia | 1-10 | Exact match | 2 contacts → |
“Advena is an emerging leader in software-driven intelligence and cybersecurity.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Cyber Advisory Practicecap.incHQ: Sydney, AustraliaReported employees: 1-10 | Sydney, Australia | 1-10 | Exact match | 2 contacts → |
“At CAP, we understand that in today's digital landscape, cybersecurity isn't just about defence; it's also about readiness.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Time & Focustimeandfocus.com.auHQ: Sydney, AustraliaReported employees: 1-10 | Sydney, Australia | 1-10 | Exact match | 1 contacts → |
“With over 20 years in the security industry and over 30 years of providing electronic solutions to technology sectors within construction, banking, defence, education, IT &…” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Cyberpointcyberpoint.com.auHQ: Sydney, AustraliaReported employees: 1-10 | Sydney, Australia | 1-10 | Exact match | 1 contacts → |
“We are a well established IT company specialising in small business IT and Cyber Security needs.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 20 of 42 company matches
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Cybersecurity and defense software companies: 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
42 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 12.0dCompany record updated
Median 73.0dHow 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 and defense software companies by metro in Australia
Questions about this company list
What does Exact match mean for cybersecurity and defense software companies?
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 and defense software companies did RevenueBase find based in Sydney, Australia?
The saved snapshot records 42 matching company records, 393 tracked contacts and 156 verified emails. The public preview displays 20 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 and defense software companies by geography
- Cybersecurity and defense software companies based in the United States
- Cybersecurity and defense software companies based in the United Kingdom
- Cybersecurity and defense software companies based in Brazil
- Cybersecurity and defense software companies based in Canada
- Cybersecurity and defense software companies based in France
- Cybersecurity and defense software companies based in Australia
- Cybersecurity and defense software companies based in Germany
- Cybersecurity and defense software companies based in Spain
- Cybersecurity and defense software companies based in Israel
- Cybersecurity and defense software companies based in Italy
- Cybersecurity and defense software companies based in Mexico
- Cybersecurity and defense software companies based in the Netherlands
Cite this list
RevenueBase Data Team. Top 20 cybersecurity and defense software companies based in Sydney, Australia. Snapshot: September 10, 2026. https://revenuebase.ai/companies/cybersecurity-and-defense-software-companies/australia/sydney.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Cybersecurity and defense software companies based in the United States
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Company intelligence · public preview
Top 20 cybersecurity and defense software companies based in Sydney, Australia
RevenueBase records 42 matching company records for cybersecurity and defense software companies based in Sydney, Australia, with 393 tracked contacts and 156 verified work emails.
This public preview shows 20 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 20 cybersecurity and defense software companies based in Sydney, 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 | Northbridge Systemsnorth-bridge.com.au HQ: Sydney, AustraliaReported employees: 51-200 | Sydney, 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 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | NSB Cybernsbcyber.com HQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 33 contacts → |
“NSB Cyber is an Australian-founded, privately owned cyber security company based in Sydney.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | NUEVAnuevasolutions.com HQ: Sydney, AustraliaReported employees: 51-200 | Sydney, Australia | 51-200 | Exact match | 30 contacts → |
“At Nueva, we aim to create a safer digital environment by providing innovative and customised cybersecurity solutions for our clients.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Datcom Clouddatcom.com.au HQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 26 contacts → |
“Minimise the risk of a cybersecurity incident.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Threatdefencethreatdefence.com HQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 24 contacts → |
“ThreatDefence provides innovative Security Operations and cyber defence solutions to MSPs and Enterprises.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Threat Intelligencecalendly.com HQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 19 contacts → |
“Threat Intelligence is different.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | NCC Group Apacnccgroup.com HQ: Sydney, AustraliaReported employees: 1,001-5,000 | Sydney, Australia | 1,001-5,000 | Exact match | 18 contacts → |
“NCC Group exists to make the world safer and more secure.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Morrisecmorrisec.com.au HQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 14 contacts → |
“Morrisec provides tailored security strategies and services that align with each company’s specific threat landscape, risk profile, and strategic goals.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Ziriliozirilio.com HQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 10 contacts → |
“With ZIRILIO on your side, the digital world just became safer.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Cyberhub Groupcyberhub.ai HQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 9 contacts → |
“CyberHub was established with the aim of making Cyber Security more available to companies of all sizes.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Iqbox PTY LTDiqbox.com.au HQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 7 contacts → |
“IQBOX helps you pinpoint your organization’s most pressing vulnerabilities, eliminate critical threats, and implement a security program that leaves you free to focus on…” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | DVULNdvuln.com HQ: Sydney, AustraliaReported employees: 1-10 | Sydney, Australia | 1-10 | Exact match | 6 contacts → |
“Founded in 2016, Dvuln is a globally CREST-certified cybersecurity firm specialising in advanced penetration testing, adversary simulation, attacker-led threat hunting, and…” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Cyberlinxcyberlinx.com.au HQ: Sydney, AustraliaReported employees: 1-10 | Sydney, Australia | 1-10 | Exact match | 6 contacts → |
“Cyberlinx is a premier cyber security solutions and services provider, we offer a comprehensive range of cyber security solutions, including, infrastructure and network security…” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Fort1 PTY LTDfort1.com.au HQ: Sydney, AustraliaReported employees: 1-10 | Sydney, Australia | 1-10 | Exact match | 5 contacts → |
“Fort1: Comprehensive Cybersecurity Services based in Australia.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | D2unet PTY LTDd2unet.com.au HQ: Sydney, AustraliaReported employees: 1-10 | Sydney, Australia | 1-10 | Exact match | 5 contacts → |
“At D2UNet, we take a multi-faceted approach to cybersecurity.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Sense Of Securitycybercx.com.au HQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 | Advenaadvena.com.au HQ: Sydney, AustraliaReported employees: 1-10 | Sydney, Australia | 1-10 | Exact match | 2 contacts → |
“Advena is an emerging leader in software-driven intelligence and cybersecurity.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Cyber Advisory Practicecap.inc HQ: Sydney, AustraliaReported employees: 1-10 | Sydney, Australia | 1-10 | Exact match | 2 contacts → |
“At CAP, we understand that in today's digital landscape, cybersecurity isn't just about defence; it's also about readiness.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Time & Focustimeandfocus.com.au HQ: Sydney, AustraliaReported employees: 1-10 | Sydney, Australia | 1-10 | Exact match | 1 contacts → |
“With over 20 years in the security industry and over 30 years of providing electronic solutions to technology sectors within construction, banking, defence, education, IT &…” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Cyberpointcyberpoint.com.au HQ: Sydney, AustraliaReported employees: 1-10 | Sydney, Australia | 1-10 | Exact match | 1 contacts → |
“We are a well established IT company specialising in small business IT and Cyber Security needs.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 20 of 42 company matches
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Cybersecurity and defense software companies: 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
42 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 12.0dCompany record updated
Median 73.0dHow 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 and defense software companies by metro in Australia
Questions about this company list
What does Exact match mean for cybersecurity and defense software companies?
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 and defense software companies did RevenueBase find based in Sydney, Australia?
The saved snapshot records 42 matching company records, 393 tracked contacts and 156 verified emails. The public preview displays 20 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.
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Cite this list
RevenueBase Data Team. Top 20 cybersecurity and defense software companies based in Sydney, Australia. Snapshot: September 10, 2026. https://revenuebase.ai/companies/cybersecurity-and-defense-software-companies/australia/sydney.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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