Stiv Kupchik in

Stiv Kupchik

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Security Researcher at Lumia Security
📍 Tel Aviv District, Israel

Stiv Kupchik is a security researcher at Lumia, focusing on the security of AI and LLM products. His expertise is built on a strong foundation of vulnerability research and OS internals, including deep work on Windows protocols like MS-RPC during his time at Akamai. He is also a student of physics at The Open University of Israel.

Outside of his professional work, Stiv is a physics student who enjoys reading and PC gaming in his spare time. He also appears to enjoy travel, having recently taken a road trip in California before a major industry conference.

He is a frequent speaker at major cybersecurity conferences, presenting his research at events like RSAC and 44CON.

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Experience
10 Years
Current Role
Security Researcher
Location
Tel Aviv District, Israel
Personality Overview

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Communication Style
Decision Approach
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Priorities

Topics Stiv cares about

AI Application Security
His current role at Lumia involves analyzing LLM products, and his recent RSAC talk focuses on attacking AI desktop applications.
Vulnerability Research
A core theme in his career, from finding CVEs in Windows services at Akamai to weekend projects discovering exposed ports.
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Career

Work history

1-2025
Security Researcher
Lumia Security
4-2024 - 12-2024
Security Research Team Lead
Akamai Technologies
11-2021 - 4-2024
Security Researcher
Akamai Technologies
5-2020 - 4-2024
Cyber Security Researcher
Guardicore
10-2015 - 5-2020
Cyber Security Specialist
Israel Ministry of Defense
In the press

Media appearances

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Education
1-2015 - 9-2024
Bachelor's degree
The Open University of Israel
Social presence
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Behavioral profile

DISC profile (public)

DISC behavioral profile

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