Top Cyber Security Companies in Australia (2026 Update)

Browse Cyber Security companies in Australia with up-to-date profiles — funding rounds, investors, hiring, and expansion signals. Find recently funded and growing companies. Updated 2026.

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Showing 307 Companies

Company	Location	Founded	Industry	Services	Target Customers	Business Model	Revenue Model	Founders	Employees	Funding Stage
Appsec360 Bringing Secure-by-Design up to speed with AI-driven so…	Melbourne, Australia	2020	Cyber Security	—	—	—	—	—	3	Pre Seed
Cydarm Technologies Cyber Response Management for Security Operations	Melbourne, Australia	2017	Cyber Security Information Technology +2	—	—	—	—	—	16	Seed
Borderless CS An ISO 27001:2022 certified leading Cybersecurity Compa…	Melbourne, Australia	2023	Cyber Security	—	—	—	—	—	11	Seed
ResponSight Data science focused on cyber and enterprise risk profi…	Melbourne, Australia	2015	Analytics Cyber Security +1	—	—	—	—	—	2	Series Unknown
Cynch Security Cyber fitness for every business	Melbourne, Australia	2017	Cyber Security Information Technology	—	—	—	—	—	8	Seed
Archimigo Archimigo is SaaS application incorporating Security Ar…	Melbourne, Australia	2019	Cloud Infrastructure Cyber Security +4	—	—	—	—	—	1	Pre Seed
SecureStack Assess your DevSecOps maturity & accelerate your DevSec…	Southport, Australia	2017	Cloud Infrastructure Cyber Security +2	—	—	—	—	—	1	Seed
Plerion Simplify Cloud Security	Australia	2021	Cloud Infrastructure Cyber Security +1	—	—	—	—	—	38	Seed
FirstWave ASX: FCT Australian global cybersecurity technology company demo…	Australia	2001	Cyber Security IT +1	—	—	—	—	—	45	Post Ipo Debt
Apollo Secure Cyber for humans	Australia	2022	Cyber Security Privacy and Security	—	—	—	—	—	14	Pre Seed
CipherStash Protect data. Not just systems.	Australia	2020	Big Data Cyber Security +1	—	—	—	—	—	18	Seed
Tide Foundation Locking down systems with keys no one will ever hold	Australia	2018	API Cyber Security +1	—	—	—	—	—	13	Non Equity Assistance
Retrospect Labs Specialists in Cyber Security Exercises	Australia	2019	Cyber Security Information Technology +1	—	—	—	—	—	15	Pre Seed
AssuranceLab Your cloud-native audit partner. SOC 2 \| ISO 27001 \| HI…	Australia	2017	Cyber Security Information Technology	—	—	—	—	—	48	Seed
Optus Challenge yourself. Change the game. It starts with yes…	Australia	1992	Cyber Security Messaging +2	—	—	—	—	—	10,557	Debt Financing
TokenOne Highest Security At Scale	Australia	2012	Cyber Security Enterprise Software +1	—	—	—	—	—	2	Series Unknown
Internet 2.0 Military-Grade Cyber Protection	Australia	2019	Cloud Infrastructure Cyber Security +2	—	—	—	—	—	9	Seed
Secure Code Warrior Secure Code Warrior's agile learning solutions empower…	Australia	2015	Applications Cyber Security +3	—	—	—	—	—	213	Series C
QuintessenceLabs Securing your world through quantum innovation	Australia	2008	Cyber Security IT +1	Quantum-Enhanced Cybersecurity Trusted Security Foundation Key & Policy Management Platform +5	Chief Information Security Officers (CISOs) Enterprises Focused On Secure Communications +3	B2B SaaS +1	Subscription Licensing +1	—	46	Unknown
Trudexia Automate and scale third party risk management (TPRM),…	Australia	2019	Cyber Security Mobile	—	—	—	—	—	1	Seed