Company lists · Data verified August 2026

Top 25 Cybersecurity training companies based in Australia

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 355 companies tracked

There are 355 cybersecurity training companies headquartered in Australia (RevenueBase, August 2026). RevenueBase tracks 2,879 professional contacts across them, including 941 with verified work emails and 208 with mobile numbers. Sydney is the largest hub.

This list covers cybersecurity training 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.

355Companies

2,879Contacts tracked

941Verified emails

208Mobile numbers

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The 25 largest cybersecurity training companies based in Australia

Ranked by team size

Top 25 of 355 cybersecurity training 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	PT Itsec Asia TBK	Melbourne	201-500	387	67
2	Webroot	Chatswood	501-1,000	199	75
3	Triskele Labs	Melbourne	51-200	123	89
4	DDLS	Canberra	51-200	58	8
5	Ipsec PTY LTD	Cremorne	11-50	57	35
6	Wipro Shelde	Melbourne	51-200	50	15
7	Emerging IT	Mulgrave	51-200	45	27
8	Sekuro Asia	Brisbane	51-200	43	11
9	Slipstream Cyber	St Leonards	11-50	42	28
10	Phriendly Phishing	Melbourne	11-50	40	29
11	Ionize	Canberra	51-200	34	26
12	OP Innovate	Canberra	11-50	34	21
13	Cybernara	Adelaide	11-50	29	5
14	Cyber Revolution	Sydney	11-50	18	7
15	Phronesis Security	Melbourne	11-50	17	12
16	Retrospect Labs	Melbourne	11-50	17	10
17	Sinevis	n/a	11-50	17	6
18	Intrix Cyber Security	Sydney	11-50	16	6
19	Diesec	Sydney	51-200	15	9
20	Krash Consulting	Adelaide	11-50	15	7
21	Tekspace	Melbourne	11-50	14	9
22	Spartans Security	Cremorne	11-50	14	8
23	Parabellum	Melbourne	11-50	14	4
24	Cybermate	Sydney	11-50	13	2
25	Cleared	Canberra	11-50	11	9

Showing 25 of 355 cybersecurity training companies based in Australia

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Cybersecurity training companies based in Australia at a glance

As of Aug 28, 2026

1-10Median size (employees)

SydneyLargest hub · 83 HQs

208Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

220

11-50

115

51-200

201-500

501-1,000

Cybersecurity training companies by metro

Metro	Companies
Cybersecurity training companies in Sydney	83
Cybersecurity training companies in Melbourne	81
Cybersecurity training companies in Brisbane	34
Cybersecurity training companies in Canberra	22
Cybersecurity training companies in Perth	20
Cybersecurity training companies in Brisbane City	7
Cybersecurity training companies in Adelaide	6

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 training 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; 1 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 training companies are there based in Australia?

There are 355 cybersecurity training 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 cybersecurity training companies?

Sydney leads with 83 headquartered companies, followed by Melbourne (81) and Brisbane (34).

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 941 verified decision-maker contacts tracked across these 355 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.