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The Noorain NexusIndependent analysis of AI, robotics and the engineering behind them

Noorain Fathima10 Sept 2026 · 13 min read

Prompt Injection: Why It Cannot Be Filtered, and What Works Instead

Prompt injection tops the OWASP LLM risk list because instructions and data share one channel. Why filtering fails, which architectural defences hold, and what the research actually reports.

Prompt Injection: A single text channel carrying both system instructions and untrusted document content into a language model

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A token price list overlaid on an electricity transmission tower, linking inference pricing to power infrastructure

LLM Token Pricing Is a Facilities Question

Emerging Technology

Output costs five times input because decode is memory-bound. Batch costs half because utilisation is the provider's central problem. Beneath both sits a floor made of power contracts and grid queues.

10 Sept 2026 · 12 min read

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The Brief

Recent reporting from across the industry, selected and summarised automatically.

Written by

Noorain Fathima

Editor · Founder and CEO, MJ Smart Solutions

AI engineer specialising in agentic systems and founder of MJ Smart Solutions in Bengaluru, building intelligent document processing, voice assistants and multi-agent platforms. Writes the Nexus on compute economics, model governance and agent security. Writing since March 2026.

A published researcher and a product and UI/UX designer as well as an engineer, and studied at REVA University. That mix is the standard the Nexus holds itself to: sources opened and read rather than summarised second-hand, figures checked against the footnotes they come from, and every outbound link verified before a piece publishes.