Company lists · Data refreshed November 2026

Top 24 Telecom security companies based in Australia

RevenueBase identified 290 company matches for telecom security companies associated with Australia as of November 2026 and tracks 3,393 professional contacts across them, including 1,190 with verified work emails. Melbourne is the largest hub.

This list covers company matches for telecom security companies 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 November 5, 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 Nov 5, 2026 How this list was built
290Companies
3,393Contacts tracked
1,190Verified emails
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The 24 largest telecom security companies based in Australia

Ranked by team size
Top 24 of 290 company matches for telecom security companies based in Australia, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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 matchCoburg, AustraliaHQ recorded Nov 5, 2026501-1,000383 contacts →

Exact match

“We are an Australian-owned, full-service managed ICT solutions and cyber security provider with a sovereign team of 500+ across Australia & New Zealand.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchSydney, AustraliaHQ recorded Nov 5, 2026201-500138 contacts →

Exact match

“Infotrust (ITS) is Australia’s leading cyber security and managed technology services provider listed on the ASX.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchMelbourne, AustraliaHQ recorded Nov 5, 202651-200121 contacts →

Exact match

“Triskele Labs is one of Australia’s fastest growing cybersecurity companies.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchSydney, AustraliaHQ recorded Nov 5, 202651-20075 contacts →

Exact match

“Northbridge is an Australian-owned cybersecurity services provider with more than 25 years’ experience delivering engineered, integrated and fully managed security services to…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchMelbourne, AustraliaHQ recorded Nov 5, 202651-20055 contacts →

Exact match

“DIMIYA Tech is a Melbourne, Australia based- global Cybersecurity and IT services provider supporting organizations that require secure, scalable, and high-performance technology…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchCentral Business District, AustraliaHQ recorded Nov 5, 202651-20050 contacts →

Exact match

“Sekuro is a leading global cybersecurity provider that helps clients and partners strategically mitigate cyber risks and build resilient businesses.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchMelbourne, AustraliaHQ recorded Nov 5, 202611-5044 contacts →

Exact match

“With over 20 years in the security market for IT and Telecommunications networks, Softel has naturally migrated these skills into the Cybersecurity challenges of today.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchMulgrave, AustraliaHQ recorded Nov 5, 202651-20044 contacts →

Exact match

“Clarity in a complex world.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchSydney, AustraliaHQ recorded Nov 5, 202611-5043 contacts →

Exact match

“Seccom Global - The Cyber Security Company Providing excellence in service to educate, connect and protect your business Founded in 2003, Seccom Global is recognised as a leader…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchMelbourne, AustraliaHQ recorded Nov 5, 202651-20041 contacts →

Exact match

“Our mission is to help our clients protect their assets, reputation, and customers from cyber threats, while also enabling them to embrace digital transformation and innovation…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchCoopers Plains, AustraliaHQ recorded Nov 5, 202651-20041 contacts →

Exact match

“Welcome to Sunstate Security - your trusted partner in security solutions based in Brisbane, Queensland.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchCanberra, AustraliaHQ recorded Nov 5, 202651-20039 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 · Nov 5, 2026 · View company records in RevenueBase
13Exact matchBrisbane, AustraliaHQ recorded Nov 5, 2026n/a35 contacts →

Exact match

“Founded by Sohail Ershadi, a distinguished cybersecurity expert with over a decade of experience in the IT industry, CyberXcel has rapidly emerged as a leader in cybersecurity…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchSydney, AustraliaHQ recorded Nov 5, 202611-5034 contacts →

Exact match

“NSB Cyber is an Australian-founded, privately owned cyber security company based in Sydney.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchMelbourne, AustraliaHQ recorded Nov 5, 202611-5030 contacts →

Exact match

“Borderless CS is Australia's leading Cybersecurity specialist, 100% Cyberseuirty focused, 100% Australian-based.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchSydney, AustraliaHQ recorded Nov 5, 202611-5027 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchHallam, AustraliaHQ recorded Nov 5, 202611-5026 contacts →

Exact match

“Eclipse Security Systems has been providing Business and Commercial Security Solutions throughout Melboune since Over the years Eclipse Security Systems has led with the changes…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchMascot, AustraliaHQ recorded Nov 5, 202611-5021 contacts →

Exact match

“MobileCorp is an enterprise communications technology MSP with a mission to deliver our customers a competitive edge through the digital transformation of their connectivity…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchWollongong, AustraliaHQ recorded Nov 5, 202611-5021 contacts →

Exact match

“IT & T Pty Ltd is the Illawarra’s leading provider of innovative IT and telecommunications solutions.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchSydney, AustraliaHQ recorded Nov 5, 202611-5021 contacts →

Exact match

“At the heart of securing what matters most to you.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchBurleigh Heads, AustraliaHQ recorded Nov 5, 202611-5020 contacts →

Exact match

“Based on the Gold Coast, GCIT provides IT security and managed services across Australia.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchSydney, AustraliaHQ recorded Nov 5, 202611-5018 contacts →

Exact match

“Minimise the risk of a cybersecurity incident.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchGold Coast, AustraliaHQ recorded Nov 5, 202651-20017 contacts →

Exact match

“Link Enterprise Solutions is a brand with enormous strength and commitment to setting new standards in electronic security, technology and managed services.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchMelbourne, AustraliaHQ recorded Nov 5, 202611-5017 contacts →

Exact match

“CyberSecOn is an Information security company with a presence in Australia, USA and India.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 24 of 290 telecom security companies based in Australia

See the full list, filter by size, metro and specialty, and access 1,190 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Telecom security companies based in Australia at a glance

As of Nov 5, 2026
35.1%Verified-email coverage
11.7Average contacts per company
1-10Median size (employees)
16.9%Largest-city concentration · Melbourne
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
157
11-50
92
51-200
26
201-500
6
501-1,000
1
1,001-5,000
1

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 290 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 “telecom security companies” 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 1,190 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 November 5, 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 “telecom security companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many telecom security companies are there based in Australia?

RevenueBase identified 290 company matches for telecom security companies associated with Australia as of November 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?

Centorrino Technologies tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most telecom security companies?

Melbourne leads with 49 company records, followed by Sydney (43) and Brisbane (17).

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 1,190 professional contacts with verified work emails tracked across these 290 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 November 5, 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.