Stiv Kupchik

Questioner
DISC Type : c

Security Researcher at Lumia Security

Tel Aviv District, Israel

Overview

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.

Personality Overview

Cautious & Analytical

Systematic

Price-Sensitive

They prefer to analyze every situation thoroughly.
  While they don't hesitate to ask questions, they are generally risk-averse and tend to be late adopters. They generally do not appreciate an overfriendly approach and prefer to stay to-the-point.

Topics They Care 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.
Windows Internals
He has presented in-depth research on Microsoft's RPC protocol, demonstrating expertise in the inner workings of the Windows OS.

Media Appearances

Stiv has no verified media appearances

Work History

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

Education

1-2015 - 9-2024
Bachelor's degree from The Open University of Israel

More Information

Social Presence :

Prographics :

Exp : 10 Location : Tel Aviv District, Israel Job Level : N/A Designation : Security Researcher at Lumia Security
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Insights For Selling To Stiv

During A Call Or A Meeting

DO's

  • Tell them that you will come back if you don’t have a good answer for a question
  • Emphasise more on facts and measurable benefits
  • Share as much information as possible regarding your product

DONT's

  • Don’t overhype the product/pitch, keep it measured
  • Avoid rushing them, be polite and patient
  • Don’t try to be too friendly or informal with them

When Cold Calling

When Writing An Email

While Negotiating & Closing

    The secret to closing fast with Stiv is

  • Confidence that the product provides ROI, effective pricing and process adherence matter the most to them.

  • Will you ever get a clear answer from Stiv

  • It doesn’t come naturally to them but they can say no if they are not convinced.

Insights For Deal Planning

    How fast (or slow) will Stiv move?

  • They can move at a reasonable pace while making their decisions if they have the necessary information.

  • Can Stiv take some risk or not?

  • They can take risk if they are convinced that they have analyzed the circumstances well.


You And Stiv

Personality Compatibility


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