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Prompt Injection
Discussion about prompt injection, obfuscation techniques and how to inspect most common file formats.
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Files carry more than what appears on screen. In DOCX, PDF, spreadsheets, images and slide decks, invisible or low-visibility content can shape how an AI system interprets instructions, extracts data or decides what to do next. Understanding where prompt injection hides is the first step to reducing the risk.
A file can look harmless to a person and still contain text or metadata designed to steer an AI model. In practice, prompt injection is not limited to chat boxes. It can ride inside documents, PDFs, spreadsheets, slide decks, images with OCR-visible text, and embedded metadata. Understanding where those instructions live is the first step to safer file handling.