Analysis · curated 27 Jun 2026
A Catalog of Prompt Injection Techniques | Blog
First reported archestra.ai
Coverage timeline
Single-source research — first reported, latest, and curated coincide.
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.