Parser-Differential

When Documents Are the Attack Surface

23 May 2026 · 16 mins

Prompt-Injection Cybersecurity Adversarial-AI Discovery RAG-Poisoning Privilege

The attack surface isn't AI — it's the documents AI processes. Prompt injection in discovery, adversarial inputs delivered through Rule 34 productions, and the cybersecurity gaps firms create by piping untrusted content through LLM pipelines.

Lying Spreadsheets

2 June 2026 · 15 mins

Parser-Differential XLSX Excel Document-Fidelity LLM-Security Due-Diligence

Excel custom number formats let a cell store one value and display another. Every extraction library reads the stored value. Every LLM platform I tested shifted from 'do not pursue' to qualified interest on the same file.

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