01
Yeshua
MVP · Ongoing R&DAutonomous pentesting platform
A working MVP for scoped agent execution, checklist-based coverage, evidence review, and report generation. Ongoing work focuses on controllability, traceability, and reliable findings.
PERSONAL WEBSITE / ALWAYS IN PROGRESS
Hello, I’m
Kejun Cheng程可钧
Founder · Prophet Technology Pte. Ltd.
A place for security research, AI engineering, and learning in public. Breaking down complex problems. Building things that help.
SingaporeCybersecurityAgentic AIResearch & Engineering
01 / A LITTLE CONTEXT
Understand risk through evidence.
Make progress through engineering.
I’m a cybersecurity consultant and AI practitioner with 3+ years of Big Four experience. My work spans application security, AI agent security, and the engineering that turns ideas into useful tools.
Experience, projects & research ↗02 / SELECTED WORK
Things I’m building
02
MosheSDK
Developer previewAgent runtime security SDK
Python and TypeScript controls for tool-execution policies, human approval, session risk tracking, and telemetry, with OpenAI tool-call adapters and reusable integrations.
03 / THE NOTEBOOK
Making sense of things,
one note at a time.
Security, AI, engineering, and the questions along the way. Notes are being organized.
Open the notebook →