Itamar Sher
Chief Executive Officer at Seal Security
Tel Aviv-Yafo, Tel Aviv District, Israel
Summary
🤩
Rockstar🎓
Top SchoolItamar Sher is a cybersecurity entrepreneur and vulnerability researcher with nine years of experience building and leading technical teams from Israel’s tech hub in Tel Aviv-Yafo. As co-founder and CEO of Seal Security and former Head of Research at Cymmetria, he blends hands-on vulnerability discovery with product and company leadership. His background includes leading research teams, freelance offensive-security projects, and early-career technical development—rooted in practical R&D honed during five years as a technological researcher in IDF Unit 8200, where he received a special intelligence corps award. Comfortable switching between deep technical work and strategic execution, he’s known for turning research findings into market-facing security solutions.
10 years of coding experience
10 years of employment as a software developer
High School Physics and Computer Science, High School Physics and Computer Science at IASA - Israeli Arts and Science Academy
English, Hebrew
Github Skills (34)
honeypot8
objective-c8
csharp8
pathofexile7
telnet7
sandbox7
security7
php7
poe7
python7
grpc7
emscripten7
cpp7
webassembly7
security-vulnerability6
Programming languages (8)
Github contributions (5)
itamarsher/react-bootstrap
Dec 2023 - Feb 2026
Bootstrap components built with React
Contributions:24 PRs, 25 pushes, 23 branches in 2 years 2 months
Cymmetria/MTPot
Nov 2016 - Jul 2017
Open Source Telnet Honeypot
Contributions:5 PRs, 7 pushes, 2 branches in 8 months
honeypottelnet
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