Matt Breuillac

Matt Breuillac is the founder of Cyber Node, a Perth-based cybersecurity firm specializing in penetration testing, operational technology (OT) security, and strategic cyber risk management. Matt holds the AWS Certified Security – Specialty certification, enhancing his ability to secure cloud-based systems.

Matt’s career began in industrial risk and crisis management, where he developed a deep understanding of operational systems and their vulnerabilities. This foundation led him to focus on cybersecurity, particularly in critical infrastructure sectors such as energy, mining, and manufacturing. His expertise includes ethical hacking, red teaming, and securing OT environments, especially those integrating legacy systems with modern digital technologies.

At Cyber Node, Matt emphasizes practical, sector-specific cybersecurity solutions over generic approaches. His firm is known for its hands-on penetration testing and for helping organizations move beyond compliance checklists to achieve real-world security readiness. He has been a vocal advocate for proactive attack surface management and Zero Trust architecture, stressing the importance of continuous validation through testing.

Based in Western Australia, Matt is an active contributor to Australia’s cybersecurity community and a member of Quorum, a professional network for cyber leaders. Through Cyber Node, Matt empowers businesses to proactively address vulnerabilities via penetration testing, reducing the $97,200 average cost of cyber incidents.