Company lists · Data refreshed September 2026

Top 25 Security research firms based in Sydney, Australia

RevenueBase identified 107 company matches for security research firms associated with Sydney, Australia as of September 2026 and tracks 569 professional contacts across them, including 235 with verified work emails and 25 with mobile numbers. Across Australia, Melbourne is the largest hub for this category (49 companies); Sydney follows with 38.

This list covers company matches for security research firms associated with Sydney, 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 September 13, 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 Sep 13, 2026 How this list was built
107Companies
569Contacts tracked
235Verified emails
25Mobile numbers
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The 25 largest security research firms based in Sydney, Australia

Ranked by team size
Top 25 of 107 company matches for security research firms based in Sydney, Australia, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 13, 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 matchSydney, AustraliaHQ recorded Sep 13, 202651-20070 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 · Sep 13, 2026 · View company records in RevenueBase
2Exact matchSydney, AustraliaHQ recorded Sep 13, 202611-5041 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 · Sep 13, 2026 · View company records in RevenueBase
3Exact matchSydney, AustraliaHQ recorded Sep 13, 202611-5033 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
4Exact matchSydney, AustraliaHQ recorded Sep 13, 202611-5025 contacts →

Exact match

“For most organisations in Australia, a data breach can be more than a PR disaster, it could be the final chapter.”

Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
5Exact matchSydney, AustraliaHQ recorded Sep 13, 202611-5023 contacts →

Exact match

“SilentGrid is an offensive security consultancy with a focus on adversary simulation and penetration testing.”

Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
6Exact matchSydney, AustraliaHQ recorded Sep 13, 20261-1019 contacts →

Exact match

“Razilio is a Sydney, Australia-based boutique cybersecurity consultancy that simplifies the management of cyber risk for businesses of all sizes.”

Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
7Exact matchSydney, AustraliaHQ recorded Sep 13, 202611-5019 contacts →

Exact match

“Threat Intelligence is different.”

Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
8Exact matchSydney, AustraliaHQ recorded Sep 13, 20261,001-5,00018 contacts →

Exact match

“NCC Group exists to make the world safer and more secure.”

Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
9Exact matchSydney, AustraliaHQ recorded Sep 13, 202611-5016 contacts →

Exact match

“Intrix Cyber Security protect businesses with our Information Security Services.”

Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
10Exact matchSydney, AustraliaHQ recorded Sep 13, 202611-5015 contacts →

Exact match

“Skylight is a boutique cyber security practice providing high-end services to the modern enterprise.”

Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
11Exact matchSydney, AustraliaHQ recorded Sep 13, 202611-5014 contacts →

Exact match

“Morrisec provides tailored security strategies and services that align with each company’s specific threat landscape, risk profile, and strategic goals.”

Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
12Exact matchSydney, AustraliaHQ recorded Sep 13, 202611-5013 contacts →

Exact match

“At Parabellum, we help organisations see clearly and act confidently in a complex digital world.”

Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
13Exact matchSydney, AustraliaHQ recorded Sep 13, 202611-5010 contacts →

Exact match

“Volkis is a dedicated information security consultancy that provides penetration testing, security assessment, red team, GRC, and training services at its core.”

Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
14Exact matchSydney, AustraliaHQ recorded Sep 13, 202611-509 contacts →

Exact match

“CyberHub was established with the aim of making Cyber Security more available to companies of all sizes.”

Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
15Exact matchSydney, AustraliaHQ recorded Sep 13, 20261-108 contacts →

Exact match

“We want to be the next generation of cyber security consultancy firms.”

Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
16Exact matchSydney, AustraliaHQ recorded Sep 13, 202611-508 contacts →

Exact match

“At Cliffside, we believe the cybersecurity industry has a truth problem: vendors oversell, consultants overcomplicate, and products are pushed over real solutions.”

Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
17Exact matchSydney, AustraliaHQ recorded Sep 13, 202611-507 contacts →

Exact match

“IQBOX helps you pinpoint your organization’s most pressing vulnerabilities, eliminate critical threats, and implement a security program that leaves you free to focus on…”

Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
18Exact matchSydney, AustraliaHQ recorded Sep 13, 202611-506 contacts →

Exact match

“CyberPulse partners with organisations to operationalise security across the full threat lifecycle, from governance and compliance through to detection, response, and continuous…”

Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
19Exact matchSydney, AustraliaHQ recorded Sep 13, 20261-106 contacts →

Exact match

“Founded in 2016, Dvuln is a globally CREST-certified cybersecurity firm specialising in advanced penetration testing, adversary simulation, attacker-led threat hunting, and…”

Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
20Exact matchSydney, AustraliaHQ recorded Sep 13, 20261-106 contacts →

Exact match

“Cyberlinx is a premier cyber security solutions and services provider, we offer a comprehensive range of cyber security solutions, including, infrastructure and network security…”

Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
21Exact matchSydney, AustraliaHQ recorded Sep 13, 202611-506 contacts →

Exact match

“Vertex Cyber Security provides an extensive Cyber Security capability of Technology and Security Services for organisations across Sydney.”

Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
22Exact matchSydney, AustraliaHQ recorded Sep 13, 20261-105 contacts →

Exact match

“Fort1: Comprehensive Cybersecurity Services based in Australia.”

Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
23Exact matchSydney, AustraliaHQ recorded Sep 13, 20261-105 contacts →

Exact match

“Who are NSAA Security NSAA Security team have years of experience working within highly demanding information security environments.”

Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
24Exact matchSydney, AustraliaHQ recorded Sep 13, 20261-104 contacts →

Exact match

“The term Centropy is a scientific reference to the reversal of chaos or entropy.”

Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
25Exact matchSydney, AustraliaHQ recorded Sep 13, 202611-504 contacts →

Exact match

“Ditno helps organisations understand and reduce their Threat Exposure by focusing on the security risks that actually matter.”

Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase

Showing 25 of 107 security research firms based in Sydney, Australia

See the full list, filter by size, metro and specialty, and access 235 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Security research firms based in Sydney, Australia at a glance

As of Sep 13, 2026
41.3%Verified-email coverage
4.4%Mobile-number coverage
5.3Average contacts per company
1-10Median size (employees)
Sep 13, 2026Page data refreshed

Companies by employee count

1-10
72
11-50
33
51-200
1
1,001-5,000
1

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 15.0d

Company record updated

Median 64.0d

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 Sydney, Australia whose business descriptions match “security research firms” 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 235 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 September 13, 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.

Security research firms by metro in Australia

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 “security research firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many security research firms are there based in Sydney, Australia?

RevenueBase identified 107 company matches for security research firms associated with Sydney, Australia as of September 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?

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

Which city in Australia has the most security research firms?

Melbourne leads Australia with 49 company records, followed by Sydney (38) and Brisbane (18).

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 235 professional contacts with verified work emails tracked across these 107 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 September 13, 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.