Roger Bell
Staff Detection & Response Engineer @AI Security Institute (AISI)
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WORK HISTORY
Staff Detection & Response Engineer @AI Security Institute (AISI)
London, GB
EDUCATION
The London School of Economics and Political Science (LSE)
Bachelor of Science - BS, Political Science and Government
University of Warwick
Master of Science - MS, Cyber Security Engineering
University of St Andrews
Master of Science - MS, Computing & Information Technology
ABOUT ROGER BELL
Detection Engineering leader specialising in Microsoft Sentinel, Defender XDR, and MDR-scale analytic development. Built the Detection Engineering function at Kroll, delivering thousands of high-fidelity detections across platforms, driving measurable reductions in false positives and strengthening threat visibility for hundreds of organisations. Deep expertise in KQL, advanced hunting, detection-as-code, parsing, tuning, ATT & CK mapping, and cross-team collaboration with SOC, DFIR and CTI. GIAC Certified Forensic Analyst with strong engineering, analytical and leadership experience.
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