Kai Greshake
Senior AI ML Security Architect at NVIDIA
Saarbrücken, Saarland, Germany
Summary
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RockstarKai Greshake is a Senior AI/ML Security Architect with a decade of experience, currently focused on product security and offensive AI/ML research at NVIDIA. Based in Saarbrücken, Germany, he blends hands-on security engineering with research-driven exploit development to identify real-world risks in app-integrated LLMs. His open-source work includes the llm-security project, which demonstrates prompt-injection and data-exfiltration attacks and builds “poisoned” tool demos to show how LLMs can be manipulated. He also contributes to systems-level Rust projects like i3status-rust, applying functional idioms and low-level optimizations to resource-friendly tooling. Known for turning sophisticated attack techniques into reproducible research and defensive guidance, he writes and shares insights on his technical blog. Colleagues value his mix of offensive creativity and practical engineering that helps harden AI products before they ship.
9 years of coding experience
Github Skills (16)
it-security10
security-testing10
vulnerabilities10
exploit10
rust10
api10
python10
api-design10
langchain10
vulnerability10
security10
develop9
system-design8
command-line-interface7
dockers5
Programming languages (9)
Github contributions (5)
greshake/llm-security
Feb 2023 - Feb 2023
New ways of breaking app-integrated LLMs
Role in this project:
Security Engineer
Security EngineerContributions:57 commits, 2 PRs, 34 pushes in 9 days
Contributions summary:Kai primarily worked on enhancing the security of LLMs integrated into applications. Their contributions involved developing tools and implementing various attack scenarios, notably focusing on prompt injection and data exfiltration techniques within a "bong chat" application. They designed and implemented "poisoned" tools such as search, website viewing, and URL retrieval, incorporating features to detect and respond to specific triggers and payloads. Furthermore, the user created and refined demonstrations showcasing how vulnerabilities can be exploited to gain control of an LLM and extract sensitive user information.
greshake/i3status-rust
Apr 2017 - Oct 2020
Very resourcefriendly and feature-rich replacement for i3status, written in pure Rust
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:1 release, 169 commits, 72 PRs in 3 years 7 months
Contributions summary:Kai's contributions primarily involve modifying the Rust code for the i3status-rust project. They have worked on updating the main file and adding comments and TODOs. Moreover, the user is modifying blocks (e.g., battery, music, cpu, memory) and implementing features like a toggle block, and adding sound and temperature functionalities. These changes include incorporating functional programming styles and using Rust's conventions.
rustfeature-richpure-rusti3statusreplacement
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