Seán Duggan
Senior Security Engineer - Red Team at LexisNexis Risk Solutions
Dublin, Ireland
Summary
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Rockstar🎓
Top SchoolSeán Duggan is a Senior Security Engineer specializing in red team operations with 12 years' experience delivering pragmatic offensive and defensive security across enterprise and startup environments from Dublin. Currently at LexisNexis Risk Solutions, he blends hands-on penetration testing, incident response and security awareness with a strong background in GRC and infrastructure assessments developed at Ward Solutions and Emailage. He holds a first-class MSc in Information Security and Digital Forensics and contributes to OWASP Security Shepherd, reflecting a commitment to practical, community-driven secure development. Known for translating complex technical findings into actionable risk mitigations and training, Seán pairs deep technical curiosity with real-world impact on people, processes and tooling.
12 years of coding experience
5 years of employment as a software developer
Honours Bachelor of Science (B.Sc.), Computing, Honours Bachelor of Science (B.Sc.), Computing at Dublin Institute of TechnologyMSc, Information Security and Digital Forensics, 1:1, First Class Honours, MSc, Information Security and Digital Forensics, 1:1, First Class Honours at Institute of Technology BlanchardstownHigh School, High School at St. Mark's CS Tallaght
Github Skills (12)
mobile-application10
application-security10
gadget10
deep-reinforcement-learning10
bettercap10
penetration-testing10
wifi10
security10
reinforcement-learning9
ai9
deep-learning9
python6
Programming languages (3)
Github contributions (5)
OWASP/SecurityShepherd
Feb 2014 - Jan 2019
Web and mobile application security training platform
Contributions:147 commits, 9 PRs, 71 pushes in 4 years 11 months
application-securitymobile-applicationsecuritypenetration-testingtraining
SeanDuggan/tryhackme-RedTeamPath
Aug 2024 - Mar 2025
Contributions:16 pushes, 1 branch in 6 months
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