Sergey Polzunov
Founder at BlackStork.io
Amsterdam, North Holland, Netherlands
Summary
🤩
Rockstar🎓
Top SchoolSergey Polzunov is a founder and senior software engineer with 15 years of experience building security-focused engineering teams and products from Amsterdam. He combines deep hands-on development (Java and modern security data engineering) with entrepreneurial drive, founding BlackStork.io to automate security reporting and free teams to focus on high-impact work. At Elastic he advances threat research and detection engineering, after leading XDR hunting and R&D efforts at EclecticIQ and contributing to security engineering at Fox-IT and RIPE NCC. Sergey’s background spans startups and established vendors, giving him a practical sense for shipping reliable, production-grade cyber security tooling and data services. He holds an MEng in Computer Software Engineering and quietly pairs product-minded leadership with an emphasis on improving communication and collaboration to accelerate threat response.
15 years of coding experience
15 years of employment as a software developer
Igor Sikorsky Kyiv Polytechnic Institute
English, Russian, Ukrainian
Stackoverflow
339reputation
23kreached
9answers
0questions
Github Skills (200)
python10
http10
security10
cyber-threat-intelligence10
ohm10
oasis10
threat-hunting10
graph10
elasticsearch-queries10
python-requests10
elastic10
phishing9
pentesting9
scanner9
javascript9
Programming languages (13)
Github contributions (5)
eclecticiq/OpenTAXII
Nov 2014 - Jun 2020
TAXII server implementation in Python from EclecticIQ
Contributions:2 releases, 402 commits, 56 PRs in 5 years 8 months
stixpythoncyber-threat-intelligencetaxiicti
traut/jupyter-widget-stixview
Jan 2020 - Jun 2021
STIX2 graph widget for Jupyter notebooks, powered by stixview library
Contributions:31 commits, 1 PR, 28 pushes in 1 year 4 months
widgetcyber-threat-intelligencejupyterlab-extensionjupyter-notebookcti
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