Juliette D. Moss is a senior member of K2 Integrity/Leviathan Security Group’s technical services team, where she specializes in complex application security penetration testing, secure code review, threat modeling, and attack surface analysis. She brings more than two decades of hands-on experience in system IT maintenance, programming, and virtual machine configuration, combining deep technical knowledge with a methodical, research-driven approach to protecting clients’ digital environments.
At K2 Integrity/Leviathan Security Group, Juliette develops custom methodologies to support threat modeling, attack surface analysis, and system service privilege auditing—frameworks that strengthen clients’ ability to understand, evaluate, and mitigate security risks within diverse architectures. Her technical background spans a wide array of programming languages, including C, C++, C#, Java, Python, Ruby, and Rust, as well as experience with multiple SAST tools and DAST platforms such as OWASP ZAP, Burp Suite, Nikto, Wapiti, and more.
Juliette’s penetration testing portfolio encompasses web applications, network architecture, mobile applications, thick applications across Windows and Linux, and hybrid applications such as those built on Electron frameworks. Her extensive threat modeling experience includes nearly a decade working with leading methodologies such as STRIDE, PASTA, CIA, and MITRE ATT&CK.
A committed contributor to the cybersecurity community, Juliette serves on the board of the Cleveland BSides conference and is an active member of OWASP.
Juliette holds an associate’s degree in applied business in networking systems.