Harrison Mitchell
Senior Security Researcher AI & Emerging Technology at Commonwealth Bank
Sydney, New South Wales, Australia
Summary
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Senior🎓
Top SchoolHarrison Mitchell is a Senior Security Researcher specializing in AI and emerging technology with a decade of hands-on experience breaking and hardening systems across ASX50 firms and critical infrastructure. He combines deep offensive skills—red/purple team leadership, bespoke tooling like the internationally used PurpleOps, and novel attack techniques—with pragmatic delivery, routinely automating mundane work and driving measurable uplift in security posture. Comfortable briefing audit and risk committees, he translates complex technical risk into clear business narratives and steps in to lead or coach teams at short notice. His background ranges from low-level protocol exploits and MFA bypasses to assessing and stress-testing AI solutions, often finding creative failure modes before they reach production. Based in Sydney, he’s equally likely to ship a research talk at BlackHat/BSides as he is to build internal capability and mentor graduates. Ask him about frogs and you’ll get a half-smile—he’s as human and irreverent as his hoodie suggests.
10 years of coding experience
6 years of employment as a software developer
Bachelor of Information Technology (CyberSecurity), Bachelor of Information Technology (CyberSecurity) at Macquarie University
Github Skills (103)
passwords10
javascript9
markdown9
methodology9
owasp9
dsa-algorithm9
vala9
windows-xp9
pentesting9
instrumentation8
frida8
security8
penetration-testing8
bitly8
security-testing8
Programming languages (9)
Github contributions (5)
Harrison-Mitchell/Sydney-At-A-Glance
Dec 2017 - Oct 2020
See every public vehicle in Sydney moving live around a map with real time information
Contributions:1 PR, 7 pushes, 1 branch in 2 years 11 months
vehiclemapsydneyreal-time
Harrison-Mitchell/Framed-Movies
Dec 2017 - Feb 2019
Contributions:16 commits, 13 pushes, 1 branch in 1 year 2 months
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