Company lists · Data refreshed September 2026

Top 25 Infrastructure security audit companies based in Australia

RevenueBase identified 78 company matches for infrastructure security audit companies associated with Australia as of September 2026 and tracks 624 professional contacts across them, including 219 with verified work emails. Melbourne is the largest hub.

This list covers company matches for infrastructure security audit companies 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 28, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 28, 2026 How this list was built
78Companies
624Contacts tracked
219Verified emails
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The 25 largest infrastructure security audit companies based in Australia

Ranked by team size
Top 25 of 78 company matches for infrastructure security audit companies based in Australia, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchMelbourne, AustraliaHQ recorded Sep 28, 202651-200123 contacts →

Exact match

“Triskele Labs is one of Australia’s fastest growing cybersecurity companies.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2Exact matchAdelaide, AustraliaHQ recorded Sep 28, 202651-20042 contacts →

Exact match

“Vectra, an Ensign company, is Australia’s trusted partner for security consulting, risk management, compliance, and managed services.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3Exact matchMelbourne, AustraliaHQ recorded Sep 28, 202611-5018 contacts →

Exact match

“CyberSecOn is an Information security company with a presence in Australia, USA and India.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4Exact matchMelbourne, AustraliaHQ recorded Sep 28, 202651-20015 contacts →

Exact match

“Morfit Group Consulting is a pure IT Consulting and Professional Services organisation.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5Exact matchMelbourne, AustraliaHQ recorded Sep 28, 202611-5014 contacts →

Exact match

“Sentaris (a certified B Corporation) is an Australian security services provider specialising in cyber assurance and incident response services.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6Exact matchCremorne, AustraliaHQ recorded Sep 28, 202611-5014 contacts →

Exact match

“Facing the Complexities of Cybersecurity?”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7Exact matchMelbourne, AustraliaHQ recorded Sep 28, 202611-5011 contacts →

Exact match

“Information security and technology risk management consulting - at CyberRisk we design, implement and operate information security programs to allow you to reduce and manage your…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8Exact matchSouthbank, AustraliaHQ recorded Sep 28, 202611-507 contacts →

Exact match

“Crysp Consulting (Crysp) was founded by two professionals with collective experience of more than 35 years in the industry.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9Exact matchSydney, AustraliaHQ recorded Sep 28, 202611-506 contacts →

Exact match

“CyberPulse partners with organisations to operationalise security across the full threat lifecycle, from governance and compliance through to detection, response, and continuous…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchCanberra, AustraliaHQ recorded Sep 28, 202651-2006 contacts →

Exact match

“The Pearson Corporation is a locally owned Canberra IT Consulting firm that has proven experience and a track record for delivering ICT and Cyber Security services to both the…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchMelbourne Cbd, AustraliaHQ recorded Sep 28, 20261-106 contacts →

Exact match

“At GMAN IT our mission is to help all businesses become cyber resilient.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12Exact matchMelbourne, AustraliaHQ recorded Sep 28, 202611-505 contacts →

Exact match

“Secure computing and digital security transformation.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchNaremburn, AustraliaHQ recorded Sep 28, 20261-105 contacts →

Exact match

“Intact Security provides services around; security and vulnerability testing, security breaches and investigations, security awareness and compliance.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchMelbourne, AustraliaHQ recorded Sep 28, 202611-505 contacts →

Exact match

“Secure Alley is an IT and cybersecurity company built for the realities of today’s AI-driven digital landscape.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact matchMelbourne, AustraliaHQ recorded Sep 28, 202611-505 contacts →

Exact match

“Cyber Forte is an Australian owned Cyber Security company with headquarters in Melbourne.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16Exact matchSydney, AustraliaHQ recorded Sep 28, 20261-105 contacts →

Exact match

“Who are NSAA Security NSAA Security team have years of experience working within highly demanding information security environments.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17Exact matchBrisbane, AustraliaHQ recorded Sep 28, 20261-104 contacts →

Exact match

“Acumenis is an independent Australian cyber security consultancy delivering senior-led testing, assurance, and advisory to organisations across Australia and internationally.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchPort Melbourne, AustraliaHQ recorded Sep 28, 202611-504 contacts →

Exact match

“eSecure was founded in 1993 and is a specialist provider of the full range of Information Security and Risk Management services.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact matchPerth, AustraliaHQ recorded Sep 28, 20261-103 contacts →

Exact match

“Outplat Security is a Perth-based compliance practice delivering Compliance Management as a Service (CMaaS) to WA organisations that face real compliance obligations and no…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchBox Hill, AustraliaHQ recorded Sep 28, 20261-103 contacts →

Exact match

“Security organisation with access to light year of security experience and ‘secure it’ attitude.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21Exact matchNewcastle West, AustraliaHQ recorded Sep 28, 20261-102 contacts →

Exact match

“After years working in IT management and cybersecurity, we kept seeing the same pattern: businesses investing in technology but leaving security as a second thought.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22Exact matchSydney, AustraliaHQ recorded Sep 28, 20261-102 contacts →

Exact match

“GRC4 specialises in a range of services designed to fortify your business and streamline your operations.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23Exact matchSydney, AustraliaHQ recorded Sep 28, 20261-102 contacts →

Exact match

“Aurian is a leading provider of information security services in Australia.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24Exact matchBrisbane City, AustraliaHQ recorded Sep 28, 20261-102 contacts →

Exact match

“Radiant Security is an Australian based firm focused on modern security practices primarily within the application security, cloud and infrastructure space.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25Exact matchSydney, AustraliaHQ recorded Sep 28, 20261-102 contacts →

Exact match

“XIGSAW IS SOLVING THE IT SECURITY PUZZLE Businesses buy on advise and desire the best outcome.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

Showing 25 of 78 infrastructure security audit companies based in Australia

See the full list, filter by size, metro and specialty, and access 219 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Infrastructure security audit companies based in Australia at a glance

As of Sep 28, 2026
35.1%Verified-email coverage
8.0Average contacts per company
1-10Median size (employees)
30.8%Largest-city concentration · Melbourne
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
47
11-50
21
51-200
8
201-500
1

Email recency for this list is measured worldwide rather than for Australia, so it is reported there. Company counts and contact totals on this page are exact for Australia, over 78 companies.

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 “infrastructure security audit 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 219 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 28, 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.

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 “infrastructure security audit companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many infrastructure security audit companies are there based in Australia?

RevenueBase identified 78 company matches for infrastructure security audit companies 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?

Triskele Labs tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most infrastructure security audit companies?

Melbourne leads with 24 company records, followed by Sydney (13) and Brisbane (4).

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 219 professional contacts with verified work emails tracked across these 78 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 28, 2026.

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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.