Company lists · Data refreshed September 2026
Top 25 Network security staffing companies based in Sydney, Australia
RevenueBase identified 67 network security staffing companies headquartered in Sydney, Australia as of September 2026 and tracks 314 professional contacts across them, including 142 with verified work emails. Across Australia, Melbourne is the largest hub for this category (79 companies); Sydney follows with 67.
This list covers network security staffing companies headquartered in Sydney, Australia, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 29, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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.
The 25 largest network security staffing companies based in Sydney, Australia
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 41 contacts → | ||||
Partial evidence “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…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 33 contacts → | ||||
Partial evidence “NSB Cyber is an Australian-founded, privately owned cyber security company based in Sydney.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 26 contacts → | ||||
Indirect evidence “Minimise the risk of a cybersecurity incident.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 15 contacts → | ||||
Partial evidence “Skylight is a boutique cyber security practice providing high-end services to the modern enterprise.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 14 contacts → | ||||
Partial evidence “Morrisec provides tailored security strategies and services that align with each company’s specific threat landscape, risk profile, and strategic goals.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 10 contacts → | ||||
Indirect evidence “With ZIRILIO on your side, the digital world just became safer.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 9 contacts → | ||||
Partial evidence “CyberHub was established with the aim of making Cyber Security more available to companies of all sizes.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 8 contacts → | ||||
Indirect evidence “CompPower has grown significantly into a mid-sized professional services consultancy providing IT and Telecommunications services for some of the global largest companies…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 7 contacts → | ||||
Partial evidence “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…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 6 contacts → | ||||
Partial evidence “CyberPulse partners with organisations to operationalise security across the full threat lifecycle, from governance and compliance through to detection, response, and continuous…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 6 contacts → | ||||
Indirect evidence “You’ll know us as Lindsey Palmer, Lisa Pavey, Sumeet Kaur, Davina Marshall, Sally Draper, Skye Dunbar and Shameem Shaikh.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 6 contacts → | ||||
Strong evidence “Cyberlinx is a premier cyber security solutions and services provider, we offer a comprehensive range of cyber security solutions, including, infrastructure and network security…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 5 contacts → | ||||
Indirect evidence “Fort1: Comprehensive Cybersecurity Services based in Australia.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 5 contacts → | ||||
Indirect evidence “Established in 2020, Hyber has quickly earned a reputation as a trusted partner for businesses across the Asia Pacific region.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 5 contacts → | ||||
Partial evidence “Who are NSAA Security NSAA Security team have years of experience working within highly demanding information security environments.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 4 contacts → | ||||
Indirect evidence “WE’RE HERE TO DO THINGS DIFFERENTLY | TO PICK A FIGHT WITH THE STATUS QUO At Firesoft, we believe traditional IT recruitment and consulting wasn’t good enough, so we built…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 4 contacts → | ||||
Partial evidence “At Patterned Security, we focus on building modern approaches to security strategy, architecture and design.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 4 contacts → | ||||
Partial evidence “Cybercuity is an independent boutique cyber security delivery provider with a proven track record of delivering transformational cyber outcomes for clients that reduce their cyber…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 4 contacts → | ||||
Partial evidence “At Renaissance IT, we provide cyber security consulting and training.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 3 contacts → | ||||
Partial evidence “Enterprise-grade security awareness training that transforms your employees from your biggest target into your strongest defence.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 3 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 3 contacts → | ||||
Partial evidence “Australian Security Recruitment Pty Ltd The Specialist Security Recruitment Company for Australia & NZ.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 3 contacts → | ||||
Indirect evidence “At Jobanz, we are more than just a recruitment agency-we are strategic hiring partners for businesses seeking top talent in Data Science and Cybersecurity.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 2 contacts → | ||||
Indirect evidence “Undark Solutions, a boutique cybersecurity consultancy founded in 2009, empowers enterprises with robust offensive & defensive solutions, including preventative strategies &…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 2 contacts → | ||||
Indirect evidence “Imagine knowing your business, staff, and customers could be under threat.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: network security staffing companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names network security staffing companies.
- Partial evidence
- Its own public description names part of network security staffing companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name network security staffing companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 67 network security staffing companies based in Sydney, Australia
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Network security staffing companies based in Sydney, Australia at a glance
As of Sep 29, 2026Companies by employee count
Email recency for this list is measured across the whole Australia list rather than for Sydney, so it is reported there. Company counts and contact totals on this page are exact for Sydney, over 67 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among network security staffing companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Sydney, Australia whose own description of what they do matches “network security staffing companies”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names network security staffing companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among network security staffing companies, and records with no verified work email. Companies headquartered outside Sydney are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 142 across the full list. 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 29, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Network security staffing companies by metro in Australia
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names network security staffing companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many network security staffing companies are there based in Sydney, Australia?
RevenueBase identified 67 network security staffing companies headquartered in Sydney, Australia as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Seccom Global, headquartered in Sydney, tops this list with the largest team on record.
Which city in Australia has the most network security staffing companies?
Melbourne leads Australia with 79 headquartered companies, followed by Sydney (67) and Brisbane (23).
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 142 verified decision-maker contacts tracked across these 67 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 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 Smart Search, 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.
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