Jonny Gill
Penetration Tester @Bramfitt Technology Labs
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WORK HISTORY
Penetration Tester @Bramfitt Technology Labs
Penetration testing web applications, mobile applications and networks/domains. Numerous red team engagements and continuous purple team since November 2023. Team Lead since March 2025, including peer review of penetration testing reports, overseeing colleague progression and providing a technical point of escalation.
EDUCATION
ILEX
City & Guilds Level 3 Certificate (Distance Learning), Legal Secretarial Skills
York College
National Diploma, IT Practitioners Software Development
Sheffield Hallam University
Bachelor of Science (BSc), Applied Computing (E-topup)
University of Hertfordshire
Master of Science (MSc) Distributed Systems and Networks, Computer Science
York College
Foundation Degree (FdSc), Applied Computing
ABOUT JONNY GILL
I am a penetration tester and the red half of a purple team. I thoroughly enjoy working my way through a domain and ensuring that the security posture is increased by my presence. My favourite tools are the ones that have led to the most domain admin escalations; Certify and Rubeus.Really enjoy making custom tools to emulate an adversary when the opportunity presents itself.The most important thing about me is that I can run 100 miles.
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