[Bastion-RAG 1 – Sentinel] – Metadata Filtering
When I started designing “Metadata Filtering,” I honestly struggled to pin down where its boundaries...
May 2026
[Bastion-RAG 1 – Sentinel] Prompt Injection Defense
This is the build post for Sentinel, the first module. The architecture design from [Bastion-RAG...
[Bastion-RAG 0] Get help from AI (Architecture Design)
This is the first real build post in the series, so it starts with the...
10 Technical Reports for Token Consumption and Cost Optimization in Claude Code and Gemini CLI Environments
Terminal-based AI agents like Claude Code and Gemini Cli drastically boost our productivity by analyzing...
The Evolution of Vulnerabilities from DevOps to MLOps and LLMOps
Moving from DevOps to MLOps, and then to LLMOps, brings a new layer of infrastructure...
[Bastion-RAG] Project Security RAG
This is a Proof-of-Concept project — basically my attempt to turn my previous “theory only”...
[The AI Shield 10] Honey-token Injection – Advanced Defense
If you spend time in security, you eventually run into all kinds of “honey” variants....
[The AI Shield 9] Embedding Model Bias Verification – Advanced Defense
While the concept of “Embedding Model Bias Verification,” the topic of this post, is theoretically...
[The AI Shield 8] Logical Partitioning – Advanced Defense
To be honest, the moment I truly began to think seriously about security was when...
[The AI Shield 7] Embedding Noise Injection – Mathematical Optimization
When I first encountered the concept of embedding noise injection, my immediate reaction was, “How...