Company lists · Data verified August 2026

Top 25 AI cybersecurity companies based in Australia

There are 292 AI cybersecurity companies headquartered in Australia (RevenueBase, August 2026). RevenueBase tracks 3,309 professional contacts across them, including 1,116 with verified work emails and 210 with mobile numbers. Sydney is the largest hub.

This list covers AI cybersecurity companies headquartered in Australia, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

292Companies
3,309Contacts tracked
1,116Verified emails
210Mobile numbers
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The 25 largest AI cybersecurity companies based in Australia

Ranked by team size
Top 25 of 292 AI cybersecurity companies based in Australia, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#CompanyHQEmployeesContactsVerified emails
1PT Itsec Asia TBKMelbourne201-50038767
2WebrootChatswood501-1,00019975
3Triskele LabsMelbourne51-20012389
4RED SiftSurry Hills51-20010955
5SecutecSydney51-20010237
6Entersoft SecurityBrisbane51-2006320
7SkillfieldMelbourne51-2006142
8RED PiranhaMelbourne51-2005841
9Ipsec PTY LTDCremorne11-505735
10Wipro SheldeMelbourne51-2005015
11Dimiya TechMelbourne51-200502
12Emerging ITMulgrave51-2004527
13Sekuro AsiaBrisbane51-2004311
14Firstwave ASX FCTNorth Sydney51-2004226
15Seccom GlobalSydney11-504130
16IonizeCanberra51-2003426
17OP InnovateCanberra11-503421
18TerraeagleStrathfield11-50343
19NUEVASydney51-2003015
20CSO GroupSydney11-502920
21Borderless CSSydney11-50255
22ThreatdefenceSydney11-502417
23NCC Group ApacSydney1,001-5,000188
24Sinevisn/a11-50176
25Insicon CyberNorth Sydney11-50168

Showing 25 of 292 AI cybersecurity companies based in Australia

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AI cybersecurity companies based in Australia at a glance

As of Aug 28, 2026
1-10Median size (employees)
SydneyLargest hub · 69 HQs
210Contacts with mobile numbers
21Emails re-verified in last 30 days

Companies by employee count

1-10
156
11-50
99
51-200
26
201-500
5
501-1,000
3
1,001-5,000
2

AI cybersecurity companies by metro

MetroCompanies
AI cybersecurity companies in Sydney69
AI cybersecurity companies in Melbourne51
AI cybersecurity companies in Brisbane25
AI cybersecurity companies in Canberra16
AI cybersecurity companies in Perth13
AI cybersecurity companies in Brisbane City10
AI cybersecurity companies in Adelaide10

How this list was built

Source
The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion
Companies whose own business descriptions match “AI cybersecurity companies”, with match quality audited by blind human judging, and headquartered in Australia.
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
Contact records re-verify on a rolling cadence; 21 contacts on this list were re-verified in the last 30 days.
Refresh
Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many AI cybersecurity companies are there based in Australia?

There are 292 AI cybersecurity companies headquartered in Australia as of August 2026 (RevenueBase).

What is the largest company on this list?

PT Itsec Asia TBK, headquartered in Melbourne, tops this list with the largest team on record.

Which city has the most AI cybersecurity companies?

Sydney leads with 69 headquartered companies, followed by Melbourne (51) and Brisbane (25).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,116 verified decision-maker contacts tracked across these 292 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.