Company lists · Data verified August 2026

Top 14 Application security companies based in Australia

Name: Application security companies based in Australia
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 38 companies tracked

There are 38 application security companies headquartered in Australia (RevenueBase, August 2026). RevenueBase tracks 268 professional contacts across them, including 77 with verified work emails and 10 with mobile numbers. Sydney is the largest hub.

This list covers application security 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.

38Companies

268Contacts tracked

77Verified emails

10Mobile numbers

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The 14 largest application security companies based in Australia

Ranked by team size

Top 14 of 38 application security companies based in Australia, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Entersoft Security	Brisbane	51-200	63	20
2	3columns	n/a	51-200	58	32
3	Threat Intelligence	Sydney	11-50	19	1
4	Cybersecon	Melbourne	11-50	18	6
5	Krash Consulting	Adelaide	11-50	15	7
6	Cyber Citadel	Sydney	1-10	5	2
7	AGIX	Parkside	11-50	4	2
8	Duasynt	Sydney	11-50	4	1
9	Cyberdna	Melbourne	1-10	4	1
10	Core Sentinel	Sydney	1-10	2	1
11	Radiant Security	Adelaide	1-10	2	1
12	Vulnetix	Canberra	1-10	1	1
13	Bugxhunter	Sydney	1-10	1	1
14	Cyberwhip PTY LTD	Canberra	1-10	1	1

Showing 14 of 38 application security companies based in Australia

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 77 reachable decision-makers.

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Application security companies based in Australia at a glance

As of Aug 28, 2026

1-10Median size (employees)

SydneyLargest hub · 9 HQs

10Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

Application security companies by metro

Metro	Companies
Application security companies in Sydney	9
Application security companies in Melbourne	8
Application security companies in Canberra	5
Application security companies in Brisbane	4
Application security companies in Adelaide	2
Application security companies in South Melbourne	1
Application security companies in Gold Coast	1

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 “application security 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; 0 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 application security companies are there based in Australia?

There are 38 application security companies headquartered in Australia as of August 2026 (RevenueBase).

What is the largest company on this list?

Entersoft Security, headquartered in Brisbane, tops this list with the largest team on record.

Which city has the most application security companies?

Sydney leads with 9 headquartered companies, followed by Melbourne (8) and Canberra (5).

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 77 verified decision-maker contacts tracked across these 38 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.