We Spent Months Building an AI Harness. Then the Model Started Ignoring It.
How model upgrades force a rethink of what an effective AI control mechanism even is.
Read on Substack →Blog
Notes on AI security, agentic systems, and applied AI engineering. I publish on Substack.
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vandnasharma1.substack.com
What Claude Remembers About You Between Sessions
The structured memory layer that persists across conversations.
Read on Substack →AI Security Series (Part 3): AI Gateways, DLP and What Comes After WAF
Security approaches focused on behavioral intent rather than syntax-based rules.
Read on Substack →AI Security Series (Part 2): How AI Applications Are Being Attacked Today
Prompt injection, jailbreaks, and internal threats to AI systems.
Read on Substack →AI Security Series (Part 1): How WAFs, CRS Rules and Virtual Patching Protected the Web
Why traditional deterministic security models need to evolve for AI contexts.
Read on Substack →What it actually takes to know if your AI agent is working.
Evaluation metrics and their limitations for assessing AI agent performance.
Read on Substack →What your coding assistant really does when you ask about your codebase
How different questions follow distinct processing paths within coding assistants.
Read on Substack →What actually happens inside the model when it 'reasons' through your document
Tracing token processing and attention mechanisms from question to answer.
Read on Substack →The AI read every page. It still answered from the wrong one.
Comparing vector-based and vectorless RAG retrieval approaches.
Read on Substack →Building AI Became Easy. The Hard Parts Didn't.
Production challenges beyond prototype development for enterprise AI systems.
Read on Substack →AI wrote the code. AI reviewed the code. Nobody caught the bug.
Five critical patterns to watch for with AI-assisted coding tools.
Read on Substack →How AI Agents Actually Work
The underlying workflows powering tools like Cursor, Claude Code, and Devin.
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vandnasharma1.substack.com