Starknex

KNOWING THE OFFENSE
MAKES A BETTER DEFENCE.

Starknex specialises in Offensive Security capabilities and services.
We're independent and are based in Adelaide, South Australia.

Let's talk!

Our Services

Independent, offensive-led cyber security capabilities that help you understand, test, and strengthen your security posture.

Offensive Security ›

Adversary-focused security services that find and exploit weaknesses before real attackers do, strengthening your overall security posture.

Red-Teaming ›

Full-scope, real-world attack simulations that test your people, processes, and technology against a determined adversary.

Penetration Testing ›

Comprehensive network, application, and system testing to identify vulnerabilities and validate the effectiveness of your security controls.

Vulnerability & Security Research ›

Deep technical research to discover unknown vulnerabilities in software & hardware, threat research, and develop bespoke offensive capability and tooling.

Cyber Security Consulting ›

Expert, independent guidance on risk, compliance, and remediation, tailored to your organisation's threat landscape and objectives.

Cyber Security Strategy ›

Building security policies, risk frameworks, and long-term roadmaps that align your security investment with business goals.

AI Security ›

Securing AI and machine-learning systems, from model and data pipelines to prompt injection, adversarial inputs, and misuse.

Specialised Training ›

Hands-on, practitioner-led training that upskills your teams in offensive and defensive techniques against modern threats.

Who We Work With

We proudly support clients across Australia and internationally, key industries in both the public and private sectors.

Government ›

We work with State and Federal Government agencies on offensive security and consultancy, with cleared specialists, DISP membership, and appointments to government procurement panels Australia-wide.

Key Industry Sectors ›

We work with organisations across healthcare, transport, finance, tech, critical infrastructure and the defence industry, strengthening their resilience against real-world threats.

Private Sector ›

From startups to enterprises, we go far beyond the tick-box exercise. As offensive security specialists, we find the vulnerabilities others overlook, thinking like a real adversary to expose the risks that genuinely matter to your business.
See who we work with »

Who we are

Independent offensive security specialists

Starknex is an independent cyber security firm based in Adelaide, South Australia. We specialise in offensive security, we think like the adversary to help private sector, critical infrastructure and government entities to find, understand, and fix the vulnerabilities that matter most.

Our team brings deep, hands-on experience across red teaming, penetration testing, and security research to deliver work that is rigorous, practical, and independent.

Learn more about us

20+

Years of combined offensive security experience

100%

Independent and Australian-owned

Adelaide

Based in South Australia with specialists around Australia

8

Specialised security service offerings

How can we help?

Book free consultation with our cyber security experts.

Contact us!