Company lists · Data verified August 2026

Top 25 Cybersecurity companies based in Melbourne, Australia

Name: Cybersecurity companies based in Melbourne, Australia
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 192 companies tracked

Our directory lists 192 cybersecurity companies based in Melbourne, Australia, with 1,771 professional contacts and 596 email addresses. The list was last updated in August 2026, and Sydney is the single most-represented city among the companies listed.

Cybersecurity companies provide products and services that protect systems, networks, applications, devices, and data from unauthorized access, disruption, or misuse. This list covers companies that provide cybersecurity products, services, consulting, assessments, monitoring, incident response, or related protection for digital systems and data. Ranked by team size, largest first. Data current as of August 28, 2026.

192Companies

1,771Contacts tracked

596Verified emails

82Mobile numbers

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The 25 largest cybersecurity companies based in Melbourne, Australia

Ranked by team size

Top 25 of 192 cybersecurity companies based in Melbourne, 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	PT Itsec Asia TBK	Melbourne	201-500	387	67
2	Triskele Labs	Melbourne	51-200	123	89
3	Skillfield	Melbourne	51-200	61	42
4	RED Piranha	Melbourne	51-200	58	41
5	Wipro Shelde	Melbourne	51-200	50	15
6	Dimiya Tech	Melbourne	51-200	50	2
7	Vectra	Melbourne	51-200	42	19
8	Phriendly Phishing	Melbourne	11-50	40	29
9	Softel Systems	Melbourne	11-50	38	26
10	Veroguard Systems PTY LTD	Melbourne	11-50	33	17
11	Infinitesol	Melbourne	11-50	27	1
12	DULL	Melbourne	11-50	20	11
13	Tesserent Cyber Solutions By Thales	Melbourne	201-500	19	9
14	Cybersecon	Melbourne	11-50	18	6
15	Phronesis Security	Melbourne	11-50	17	12
16	Retrospect Labs	Melbourne	11-50	17	10
17	David Lynas Consulting	Melbourne	11-50	15	9
18	Cosive	Melbourne	11-50	14	8
19	Digital Resilience	Melbourne	11-50	14	8
20	Eb2bcom	Melbourne	11-50	14	6
21	Parabellum	Melbourne	11-50	14	4
22	Eset Australia	Melbourne	11-50	13	9
23	Elttam	Melbourne	11-50	12	9
24	Forensic IT	Melbourne	11-50	12	8
25	Saltt Technologies	Melbourne	11-50	12	7

Showing 25 of 192 cybersecurity companies based in Melbourne, Australia

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Cybersecurity companies based in Melbourne, Australia at a glance

As of Aug 28, 2026

1-10Median size (employees)

SydneyLargest hub · 210 HQs

82Contacts with mobile numbers

3Emails re-verified in last 30 days

Companies by employee count

1-10

111

11-50

51-200

201-500

Cybersecurity companies by metro in Australia

Metro	Companies
Cybersecurity companies in Sydney	210
Cybersecurity companies in Melbourne	192
Cybersecurity companies in Brisbane	92
Cybersecurity companies in Canberra	48
Cybersecurity companies in Perth	43
Cybersecurity companies in Adelaide	36
Cybersecurity companies in Brisbane City	14

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 “cybersecurity companies”, with match quality audited by blind human judging, and headquartered in Melbourne, 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; 3 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 cybersecurity companies are in the directory?

The directory lists 192 cybersecurity companies based in Melbourne, Australia.

Which city has the most cybersecurity companies?

Sydney is the single most-represented city among the cybersecurity companies on the list.

How many contacts are available for cybersecurity companies?

The directory includes 1,771 professional contacts and 596 email addresses for the listed cybersecurity companies.

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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.