Seth Hall
Founder at Ohio State Early Investor Network
Columbus, Ohio, United States
Summary
🤩
Rockstar🎓
Top SchoolSeth Hall is a network visibility and monitoring expert with 15 years of experience turning research into production-ready security tooling. As co-founder and former Chief Evangelist of Corelight and a long-time contributor to Zeek (formerly Bro), he has worked across deep packet-processing projects—contributing to netmap optimizations like 4-tuple hashing and load balancing—and to intelligence integrations such as the Collective Intelligence Framework and SMB2/NTLM analyzers. He bridges the research and operational worlds as an affiliated researcher at Lawrence Berkeley National Lab and a former research engineer at ICSI, translating prototype ideas into scalable monitoring systems. Based in Columbus, Ohio, he now advises Corelight and invests in early-stage tech, and his unusual GIS background gives him a spatial mindset for spotting systemic patterns in network data others might miss.
15 years of coding experience
21 years of employment as a software developer
Bachelor of Science - BS, Geography (Geographic Information Systems), Bachelor of Science - BS, Geography (Geographic Information Systems) at The Ohio State University
Stackoverflow
367reputation
6kreached
9answers
0questions
Github Skills (28)
network-protocols10
system-programming10
python10
network-analysis10
load-balancing10
c1110
networking10
c1710
network-protocol10
hashing-algorithm10
data-structure9
application-framework9
web-frameworks9
app-framework9
performance-optimization9
Programming languages (13)
Github contributions (5)
zeek/zeek
Oct 2010 - Jun 2021
Zeek is a powerful network analysis framework that is much different from the typical IDS you may know.
Role in this project:
Backend Developer
Backend DeveloperContributions:1 release, 24 reviews, 1456 commits in 10 years 10 months
Contributions summary:Seth contributed to Bro's network analysis framework, specifically the Zeek package. Their work focused on enhancing the intelligence framework and supporting the integration of the Collective Intelligence Framework. They implemented initial support for Bro's Intel framework with the Collective Intelligence Framework by adding new fields to records and creating events. The user also worked on improving the overall codebase, including documentation, and introducing features for the SMB2 and NTLM analyzers.
dfirnsmsecurityanalysisnetworking
luigirizzo/netmap
Feb 2016 - Mar 2017
Automatically exported from code.google.com/p/netmap
Role in this project:Back-end Developer
Back-end DeveloperContributions:11 commits, 2 PRs, 1 comment in 1 year 1 month
Contributions summary:Seth primarily worked on implementing and improving features related to load balancing, packet hashing, and performance. Their contributions include the implementation of a 4-tuple hashing function, enhancements to the logging and statistical outputs, and adjustments to the timing of metrics collection. The user also fixed issues related to link wait times and added a busy-wait option, and made a change to a project name to match the project's new name.
pythonospfnfvbgpdpdk
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