Umut Tosun
Co-Founder at LetsDefend
Kocaeli, Türkiye Turkey
Summary
🤩
Rockstar🎓
Top SchoolUmut Tosun is a cybersecurity entrepreneur and practitioner with nine years of experience spanning incident response, threat hunting, log and malware analysis, and penetration testing. As Co-Founder of LetsDefend since 2020, he blends hands-on technical ops with product-minded security tooling and use-case development. His background includes incident response and EDR/product management roles at Akbank and Intertech, plus web and mobile pen-testing experience from earlier work at Lostar. Based in Kocaeli, Türkiye, he brings deep operational knowledge of real-time monitoring and threat intelligence to startups and enterprise environments alike. Colleagues benefit from his mix of practical hunting skills and a founder’s instinct for turning detection playbooks into scalable security products.
9 years of coding experience
Computer Engineering, Computer Engineering at Sakarya Üniversitesi
English, Turkish
Github Skills (20)
soc10
incident-response9
threat-hunting8
threat-intelligence8
cybersecurity8
poc8
infosec8
hacking7
security-testing7
mitre-attack6
rce6
dll-injection5
emulation5
security-automation5
api4
Programming languages (4)
Github contributions (5)
umuttosun/Reversing
Nov 2016 - Oct 2019
Contributions:3 pushes, 1 branch in 2 years 10 months
umuttosun/umuttosun.github.io
Oct 2017 - Oct 2018
Contributions:78 pushes in 1 year
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