Benjamin Sebastian
Senior Application Security Engineer
Columbus, Ohio, United States
Summary
👤
Senior🎓
Top SchoolBenjamin Sebastian is a Senior Application Security Engineer based in Columbus, Ohio, with 11 years of experience bridging security, SRE, automation, and incident response. He has progressed from Linux and mainframe operations into senior security and engineering management roles at companies like CoverMyMeds, Panther, and Loop, and now focuses on application security at Loop. Benjamin contributes to open-source detection engineering—helping build and refine Panther detection rules that integrate threat intel like GreyNoise to proactively surface exploits across GSuite, AWS, and collaboration logs. He combines hands-on scripting and systems expertise with a pragmatic leadership style shown during his engineering manager tenure, enabling secure, observable production systems. Known for translating operational telemetry into actionable detections, he brings both depth in low-level system work and a knack for making threat detection practical for engineering teams.
11 years of coding experience
12 years of employment as a software developer
BAC PRO Systèmes Electroniques et Numériques, BAC PRO Systèmes Electroniques et Numériques at Lycée Professionnel CondorcetFormation du MOOC, Formation du MOOC at Lycée Maximilien SorreLicence Informatique, Non obtenu, Licence Informatique, Non obtenu at Université Paris DiderotChef de projet digital, Chef de projet digital at ECV Digital
English
Github Skills (5)
cybersecurity10
event-manager10
siema10
python10
aws-security10
Programming languages (11)
Github contributions (5)
panther-labs/panther-analysis
Aug 2021 - May 2022
Built-in Panther detection rules and policies
Role in this project:
Security Engineer
Security EngineerContributions:10 releases, 133 reviews, 76 commits in 8 months
Contributions summary:Benjamin primarily contributes to the development and maintenance of security detection rules and policies within the Panther analysis repository. They focused on porting rules, adding new rule checks, and modifying existing policies to enhance security monitoring capabilities, particularly within the context of GSuite, AWS, and potentially Zoom logs. Furthermore, they implemented and refined exploit detection mechanisms, highlighting a focus on proactive threat identification. Their work involved the integration of GreyNoise and other external threat intelligence sources and the application of the allow/block list functionality.
pythonsecuritydetection-rulespoliciespanther
bseb/dotfiles
Apr 2022 - Dec 2022
Contributions:25 commits, 4 PRs, 223 pushes in 7 months
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