Month archive
Everything published in April 2026.
The 4 articles published in April 2026 cover Evaluation and Security and Retrieval. They were published from April 3 to 30, 2026, and are listed newest first.
Articles from April 2026
Guardrails as Policy Enforcement, Not Keyword Blocking
Building layered input, action, and output controls that remain testable when language and threats change.
Threat Modeling an AI Application End to End
Assets, trust boundaries, model-specific attacks, tool abuse, data leakage, and concrete mitigations for deployed AI systems.
Prompt Injection Defense in Depth
Why delimiters are not a sandbox, how indirect injection reaches agents, and which architectural controls actually reduce impact.
Embedding Systems: Models, Indexes, and Semantic Drift
Selecting representations, constructing embedding inputs, migrating indexes, and detecting when semantic neighborhoods stop serving the product.
In the age of AI
The advantage was never the model. It's knowing what to build with it — and having a team that can actually ship it.
That's the part I help with: finding where AI genuinely makes your business faster, deciding what's worth building, and standing behind it once it's live.
Four offices, one very full passport
Every dot on this map is a conversation I still remember.
- Where I've spoken
- Office
