Ryan O'Leary
Senior Consultant - Cyber Incident Response at Deloitte
Southampton, England, United Kingdom
Summary
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Senior🎓
Top SchoolRyan O'Leary is a Senior Consultant in Cyber Incident Response with eight years of hands-on experience across incident response, threat hunting, malware analysis and automation. He progressed from L1/L2 SOC roles to leading IR engagements at NormCyber and now Deloitte, delivering forensic root-cause analysis, ransomware and BEC remediation, board-level stakeholder communication and mentoring for SOC-to-IR career pathways. A first-class graduate in Cyber Security and Forensic Computing who won his cohort’s best final-year project, he also built practical tooling—Velociraptor use cases, ServiceNow–Qualys scan automation and internal apps—to reduce manual toil and accelerate investigations. He combines technical depth in reverse engineering and artefact collection with a knack for turning repeatable processes into automated capabilities. Based in Southampton, he brings a pragmatic, exercise-driven approach to strengthening organisational resilience through simulations and playbook-driven response.
8 years of coding experience
Bachelor of Science - BSc, Cyber Security and Computer Forensics, First Class with Honours, Bachelor of Science - BSc, Cyber Security and Computer Forensics, First Class with Honours at University of PortsmouthComputer Science, Mathematics and Physical Education, Computer Science, Mathematics and Physical Education at Havant & South Downs College
Stackoverflow
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Github Skills (21)
carbon-design-system10
browser-extension9
chrome-extension9
threat-hunting8
threat-intelligence8
honeypot8
cybersecurity8
telnet7
security7
ssh7
sftp6
scp6
deception6
mapper4
python3
Programming languages (3)
Github contributions (5)
ryanoleary26/VirusTotal-Payload-Scanner
May 2020 - Oct 2022
Contributions:29 commits, 26 pushes, 1 branch in 2 years 6 months
ryanoleary26/SOC-Multitool
Feb 2023 - Feb 2025
A powerful and user-friendly browser extension that streamlines investigations for security professionals.
Contributions:4 releases, 13 pushes, 4 branches in 1 year 11 months
browser-extensionsecurity
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