Christopher Cerne

Security Engineer, Agent Data Optimization (ADO), Meta

Experience

MetaNov 2025 – Present
Security Engineer, Agent Data Optimization (ADO), Jun 2026 – Present; Red Team X, Nov 2025 – Jun 2026

Security Engineer in Meta's Applied AI (AAI) / Agent Data Optimization (ADO) organization, focused on generating high-quality cybersecurity training data for LLMs. Previously on Red Team X, Meta's former offensive security research team.

Stratum SecurityAug 2023 – Oct 2025
Senior Security Consultant

At Stratum Security, I provided staff augmentation for a major company, conducting security reviews of high-traffic, externally facing applications. Through manual code reviews, dynamic testing, and threat modeling, my work played a critical role in safeguarding the privacy and security of millions of users worldwide.

Bishop FoxJan 2022 – Aug 2023
Security Consultant III

I helped Fortune 500 companies secure their networks by performing penetration tests and security reviews of internal and external applications.

Independent Security WorkJan 2019 – Present
Security Researcher

I independently identified and gained recognition for finding vulnerabilities in web applications and embedded devices. I wrote comprehensive bug reports and notified vendors under a 120-day disclosure policy. I am credited with finding CVE-2020-8797, CVE-2020-8798, CVE-2020-12123, CVE-2020-12124, CVE-2020-12125, CVE-2020-12126, and CVE-2020-12127. I engaged as a member of the prestigious Synack Red Team (SRT) and contributed to the Google Vulnerability Reward Program (VRP), successfully identifying and responsibly disclosing high-risk vulnerabilities.

RedLatticeMay 2019 – Aug 2020
Vulnerability Research Intern

In the first summer, I researched and found security vulnerabilities in various commonplace embedded devices and developed tooling to exploit those vulnerabilities. In the second summer, I gained experience with JavaScriptCore and V8 vulnerability research and worked with a team to find high-impact bugs.

Virginia Tech IT Security OfficeSep 2019 – Dec 2020
Red Team Researcher

I evaluated the security of devices on the Virginia Tech network. I developed tooling to facilitate embedded device research. I found numerous high-impact vulnerabilities, notified impacted departments, and worked with them to mitigate the issue.

CS @ Virginia TechAug 2020 – May 2021
Undergraduate Teaching Assistant, CS 3214 (Computer Systems)

I worked under the Virginia Tech Computer Science Department, fulfilling 10 hours a week as an undergraduate TA, and helped students in one of the most challenging courses in the CS curriculum, Computer Systems. I learned how to isolate bugs in student code and effectively teach systems-level concepts. I became an expert in debugging in GDB and programming in low-level C.

Focal Point TechnologiesJun 2017 – Aug 2018
IT Intern

In the first summer, I worked on a team to develop a mobile application from scratch. In the second summer, I led a team creating embedded systems to collect data.

Technical Skills

C, C++, Rust
Python 3
Java
x86, ARM, MIPS assembly
Git
Linux kernel
Vulnerability research
Web development
Docker

Education

Virginia Tech2017 – 2021
B.S. Computer Science, 3.75 GPA (graduated May 2021)

Vice President of the Cyber Security Club (2020–2021). Webmaster of the VPI Cave Club (2019–2021). Brother of the Theta Tau professional fraternity.

Leadership, Awards & Certifications

eJPT: Junior Penetration TesterNov 2021

eLearnSecurity. I passed the eJPT certification exam with a score of 95%.

Cyber Security Club at Virginia TechSep 2020 – May 2021
Vice President

I organized events for the Cyber Security Club at Virginia Tech. I gave technical presentations, including a presentation on attacking embedded devices. I helped the club fundraise by acquiring sponsorships.

Andor Assembly Competition: Second PlaceAug 2019

I singlehandedly represented Virginia Tech in the University of Nebraska's Andor Assembly Programming Competition. The competition focused on x86, ARM, and RISC assembly.

"The Smartphone of the Future": First PlaceApr 2017

I won $500 from the Institute of Electrical and Electronics Engineers (IEEE) for developing a prototype of a smartphone with interchangeable parts. I gained experience in embedded device programming and hardware interfaces such as I2C or SPI.

Publications

"Security for College Freshmen"Aug 2017

United States Cybersecurity Magazine.