Arni Hardarson

Arni Hardarson is Co-Founder and Offensive Security Lead at Neonix Security. He has more than 20 years of experience delivering offensive security work across Australia and internationally, including red teaming, adversary emulation, vulnerability research, and macOS security research.

He has led large-scale assurance programs and built offensive security capabilities in enterprise environments. His work focuses on practical security testing, offensive research, and understanding how modern platforms enforce trust, with a particular interest in macOS internals and security controls. He helps organisations improve resilience against real-world threats through hands-on testing and research-led security advice.