Spotlighting on Nitin Kumar Singh

Spotlighting on Nitin Kumar Singhhttps://nitinksingh.com/tags/spotlighting/Recent content in Spotlighting on Nitin Kumar SinghHugo -- gohugo.ioen© 2026 Nitin Kumar Singh. All rights reserved.Tue, 04 Aug 2026 08:00:00 +0530Defense-in-Depth for AI Agents on Azure: Prompt Shields, Spotlighting, and the Coverage Gaphttps://nitinksingh.com/posts/prompt-shields-spotlighting-defense-in-depth/Tue, 04 Aug 2026 08:00:00 +0530https://nitinksingh.com/posts/prompt-shields-spotlighting-defense-in-depth/Prompt Shields is a real input classifier, but it’s probabilistic — and Spotlighting and Groundedness are model-only, so an agent’s tool calls can pass completely unscanned. Here’s what each defense blocks, where the agent coverage gap is, and how to layer probabilistic filters with deterministic controls.