Jonah Cathcart

Lead Cryptography Engineer

Jonah Cathcart leads TrustThink’s cryptography work supporting U.S. Navy programs and has been a key contributor to the company for more than five years.

His work spans cryptographic implementation, secure software development, and the design of high-assurance systems that operate in complex, mission-critical environments.

Jonah brings a practical, engineering-first mindset to problems where correctness, trust, and long-term maintainability matter.

Areas of Focus
  • Cryptographic algorithm implementation and evaluation 
  • Encryption and key management for high-assurance systems 
  • Secure software development 
  • Operational management systems for high-assurance devices 
  • Penetration testing and security assessment of automated vehicle systems 
Work Highlights
  • Leading cryptography-focused engineering work in support of Navy programs 
  • Contributing to automated vehicle penetration testing, helping identify and assess real-world security risks 
  • Implementing and evaluating cryptographic algorithms for secure communications and data protection 
  • Leading the design of an operational management system for high-assurance devices, focused on secure discovery, monitoring, and control