Company lists · Data refreshed September 2026

Top 25 Data security assessment services based in Australia

RevenueBase identified 183 company matches for data security assessment services associated with Australia as of September 2026 and tracks 1,421 professional contacts across them, including 472 with verified work emails. Melbourne is the largest hub.

This list covers company matches for data security assessment services 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
183Companies
1,421Contacts tracked
472Verified emails
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The 25 largest data security assessment services based in Australia

Ranked by team size
Top 25 of 183 company matches for data security assessment services 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 matchBella Vista, AustraliaHQ recorded Sep 28, 202651-200170 contacts →

Exact match

“Ensuring your business is handling cyber security risks effectively has never been more important.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2Exact 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
3Exact matchCremorne, AustraliaHQ recorded Sep 28, 202611-5057 contacts →

Exact match

“IPSec are specialists in information asset and cyber protection; security experts who know how to mitigate cyber risk by assisting in the protection of valuable intelligence…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4Exact 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
5Exact matchCanberra, AustraliaHQ recorded Sep 28, 202651-20035 contacts →

Exact match

“When it comes to security there's no shortage of companies ready to tell you about your vulnerabilities.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6Exact matchMelbourne, AustraliaHQ recorded Sep 28, 202611-5025 contacts →

Exact match

“Fortian is a leading Australian company specialising in cyber security, privacy, and technology risk management.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7Exact 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
8Exact matchSydney Cbd, AustraliaHQ recorded Sep 28, 202611-5017 contacts →

Exact match

“Security Centric is a boutique specialist information security consulting and services organisation.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9Exact matchTullamarine, AustraliaHQ recorded Sep 28, 202611-5017 contacts →

Exact match

“Zynet is an Australian cyber security and IT services provider with more than 25 years of experience protecting organisations and keeping critical systems running.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchMelbourne, AustraliaHQ recorded Sep 28, 202611-5017 contacts →

Exact match

“GRC360 Pvt.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchSydney, AustraliaHQ recorded Sep 28, 20261-1014 contacts →

Exact match

“Our mission is to provide organisations with a comprehensive, world class range of customised information security services and advice which will enable them to secure and protect…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12Exact 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
13Exact 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
14Exact matchSydney, AustraliaHQ recorded Sep 28, 202611-5014 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 28, 2026 · View company records in RevenueBase
15Exact matchMelbourne, AustraliaHQ recorded Sep 28, 202611-5012 contacts →

Exact match

“Expert-led penetration testing, supported by AI-assisted analysis, to uncover real weaknesses and strengthen systems against real-world threats.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16Exact 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
17Exact matchSurry Hills, AustraliaHQ recorded Sep 28, 202611-5010 contacts →

Exact match

“Sententia knows IT, designs IT and innovates IT.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchSydney, AustraliaHQ recorded Sep 28, 202611-5010 contacts →

Exact match

“Volkis is a dedicated information security consultancy that provides penetration testing, security assessment, red team, GRC, and training services at its core.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact matchSouth East Queensland, AustraliaHQ recorded Sep 28, 202611-509 contacts →

Exact match

“Cyber Audit Team is a leading multi-disciplinary Australian cyber security company offering holistic 'end-to-end' solutions, ensuring that our clients' businesses are operating in…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchCentral Queensland, AustraliaHQ recorded Sep 28, 20261-109 contacts →

Exact match

“Overview: Cyber Ethos is a leading cybersecurity business based in Queensland, Australia, equipping businesses with unrivalled cybersecurity solutions.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21Exact matchMelbourne, AustraliaHQ recorded Sep 28, 20261-109 contacts →

Exact match

“Our mission is simple, make cyber security accessible to all Australian businesses.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22Exact matchAustraliaHQ recorded Sep 28, 202651-2009 contacts →

Exact match

“north is about helping clients tailor their cyber security to the challenges that are specific to their business.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23Exact matchSunshine Coast, AustraliaHQ recorded Sep 28, 20261-108 contacts →

Exact match

“Haksec is a small cybersecurity firm based in Queensland, Australia founded by Luke Stephens (hakluke).”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24Exact matchGeelong, AustraliaHQ recorded Sep 28, 20261-108 contacts →

Exact match

“ARGOS Cloud Security helps MSPs, MSSPs and consulting teams deliver deeper cloud security assessments with less manual work.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25Exact matchBrisbane, AustraliaHQ recorded Sep 28, 202611-507 contacts →

Exact match

“dotSec is a professional cyber security organisation that was founded in on a single premise: A business that treats security as a strategic asset should be able to operate with…”

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

Showing 25 of 183 data security assessment services based in Australia

See the full list, filter by size, metro and specialty, and access 472 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Data security assessment services based in Australia at a glance

As of Sep 28, 2026
33.2%Verified-email coverage
7.8Average contacts per company
1-10Median size (employees)
23.0%Largest-city concentration · Melbourne
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
111
11-50
55
51-200
13
201-500
2

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 183 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 “data security assessment services” 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 472 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 “data security assessment services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many data security assessment services are there based in Australia?

RevenueBase identified 183 company matches for data security assessment services 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?

Risk Associates - Emea & Asia tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most data security assessment services?

Melbourne leads with 42 company records, followed by Sydney (38) and Canberra (15).

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 472 professional contacts with verified work emails tracked across these 183 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.