Analysis
A Catalog of Prompt Injection Techniques | Blog
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Why it matters
Defenders benefit from a clear taxonomy of common prompt injection and jailbreak patterns, especially the agent-targeting indirect injection and markdown-image exfiltration vectors.
A vendor blog catalogs ten basic prompt injection techniques including context ignoring, fake completion, payload splitting, token smuggling via Base64, few-shot poisoning, defined dictionary attacks, virtualization (grandma trick), DAN jailbreak personas, indirect injection through fetched content, and markdown-image data exfiltration. Each uses a harmless 'I am a sandwich' test string to demonstrate success.