John Seymour
Principal Engineer, Threat Management
Kirkland, Washington, United States
Summary
👤
Senior🎓
Top SchoolJohn Seymour is a Principal Engineer in Threat Management with 11 years of experience applying data science to real-world security problems across cloud and infrastructure environments. He builds production-grade detection systems—from pipelines to models to operational monitoring—that have caught red teams, contractor pentests, and novel exfiltration techniques at scale. Skilled in Python, Bash, Docker, GCP and AWS, he combines hands-on engineering with long-range strategy, holding patents and owning multi-year vision for abuse and MITRE ATT&CK–aligned models. He has a strong research background (PhD-level work) and a public-facing presence, co-founding the AI Village at DEF CON and regularly speaking at top InfoSec conferences. Known for turning analyst pain points into reusable datasets and tools, he drives cross-team trust and measurable uplift in security operations. Colleagues describe him as a pragmatic mentor who accelerates delivery through rapid prototypes and careful operational controls.
10 years of coding experience
12 years of employment as a software developer
UMBC
Github Skills (31)
corpus10
malware9
api9
security8
libgit27
git-addons7
classifier7
git-lfs7
large-files7
version-control7
versioning7
threat-intelligence6
cybersecurity6
threat-hunting6
lime5
Programming languages (9)
Github contributions (5)
DavidJBianco/label-virusshare
Oct 2015 - Dec 2015
Contributions:55 commits in 1 month
apivirustotalcorpusmalwarepublic-api
seymour1/label-virusshare
Oct 2015 - Jan 2022
A project to label the VirusShare malware corpus using VirusTotal's public API.
Contributions:74 commits, 30 PRs, 69 pushes in 6 years 3 months
apivirustotalcorpusmalwarepublic-api
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