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
Evaluation and SecurityGuardrails as Policy Enforcement, Not Keyword Blocking
Building layered input, action, and output controls that remain testable when language and threats change.
Evaluation and SecurityThreat Modeling an AI Application End to End
Assets, trust boundaries, model-specific attacks, tool abuse, data leakage, and concrete mitigations for deployed AI systems.
Evaluation and SecurityPrompt Injection Defense in Depth
Why delimiters are not a sandbox, how indirect injection reaches agents, and which architectural controls actually reduce impact.
RetrievalEmbedding Systems: Models, Indexes, and Semantic Drift
Selecting representations, constructing embedding inputs, migrating indexes, and detecting when semantic neighborhoods stop serving the product.