Robert Ryan Jennings

Web logs of a software development engineer, musician, artist and hockey player.

Content expressed is my own and does not reflect the opinions of any entity.

Recent Posts

Legacy System Insights

Why legacy systems persist, why rewrites fail, and what actually makes modernization possible inside real organizations.

software engineering

legacy-systems modernization software-architecture engineering-management observability technical-debt

Modern Mobile Hardening

Securing untrusted clients across the lifecycle

security mobile software engineering

mobile security hardening attestation tls authentication architecture

Threat Modeling AI as an Engineering Coprocessor

A practical threat model for AI-assisted and agentic software development across requirements, architecture, implementation, testing, and operations.

security software development

ai agentic-systems sdlc software-supply-chain security governance engineering