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Securing your software.

Expert application security strategy, testing & execution






Software Assurance

Get peace of mind for your software security with secure code reviews, design reviews and threat modelling activities

Penetration Testing

Simulate realistic threats against your software and technology assets through source code assisted penetration testing

SDLC Strategy & Advice

Assess your Agile & DevOps development processes, and guide your teams to bake security into the SDLC via automation and efficient manual activities

End-to-end application security services

We are a full-stack application security consultancy providing services at every step of the software development and acquisition lifecycle, whether you build or buy-first

Your trusted partner

Zerosource is a cyber security consultancy founded and staffed by Australian citizens with extensive experience servicing state and federal government, non-profit and private sector organisations. 

Proven software security expertise

All of our consultants and engineers have extensive software experience working as, or side by side with, developers

Experienced, motivated professionals

We enjoy delving into the intricacies of your source code repositories to find vulnerabilities other testers may have missed

Local resources, global thinking

We take pride in our status as an Australian-owned, Australian-staffed, privately-held consultancy

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Years Combined Experience
Why Choose us

Protecting your assets and your brand.

Clients expect your software and infrastructure to protect their data against cyber threats. We believe that security should be an integral part of your development team’s mindset and practices.

Free Consultation

Access a free initial consultation to discuss your security posture and what you can focus on in the short term for immediate improvement. No sales, no obligations.

Relevant Industry Certifications

Supplement your team with consultants holding industry leading certifications in areas such as appsec, penetration testing, cloud and software assurance.

Paid & Open Source Toolkits

Receive advice, tools & assessment results based on a selection of paid and open-source tooling collected over years of testing.

Ongoing Partnership

Engage a company that prioritises long term relationships over standard, once-off assessments that leave you with a checklist of incomplete actions.

Application security is no longer an afterthought

Get advice from professionals with extensive software development experience, who understand the mindset and competing pressures you face