Dmitriy Tretyakov
Senior Information Security Specialist
Saint Petersburg, Saint Petersburg, Russia
Summary
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Senior🎓
Top SchoolDmitriy Tretyakov is a Senior Information Security Specialist with 11 years of hands-on experience securing networks, endpoints, and cloud-adjacent services from Saint Petersburg. He has progressed from help-desk and junior sysadmin roles into leading OSINT-driven risk assessments, phishing campaigns, incident investigations, and access/audit programs at scale. Dmitriy combines practical malware forensics, vulnerability scanning and SIEM rule development (QRadar) with operational controls like MDM, corporate antivirus, and PCI DSS–aligned documentation. Colleagues rely on him for clear playbooks and technical specs that bridge security and engineering teams, and he’s comfortable translating black‑hat techniques into pragmatic defenses. Outside the obvious SOC work, he routinely embeds OSINT into procurement and contractor vetting to reduce supply-chain risk.
11 years of coding experience
3 years of employment as a software developer
Unfinished Bachelor's Degree, Informatics and Computer Science, Unfinished Bachelor's Degree, Informatics and Computer Science at Международный Университет Природы, Общества и Человека «Дубна»
Github Skills (27)
hexagons9
scrollable9
zooming8
crypto7
cryptocurrency7
blockchain7
wallet7
polkadot6
image6
swift5
sunset5
substrate5
ios4
grids4
grid4
Programming languages (1)
Github contributions (5)
denizztret/ObjectiveHexagon
Feb 2015 - Mar 2015
Create and manage hexagonal shapes and grid. Based on the materials from http://www.redblobgames.com/grids/hexagons.
Contributions:32 commits, 26 pushes, 10 tags in 21 days
hexagonsgridsredblobgamesgridhexagonal
denizztret/BountyKit
Feb 2015 - Mar 2015
Contributions:11 pushes, 13 tags in 29 days
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