Notes from Underground: Adversarial Prompt Injection
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Key Takeaways Indirect Prompt Injection (IDPI) is increasingly being discussed by malicious actors on closed, underground forums. Tools and services designed to leverage IDPI within attack chains are actively being developed, refined, and advertised for sale within these spaces.
Summary from Proofpoint Threat Insight.
Explained
The technology and terms in this story. Learn more
- AttackPrompt injectionHiding instructions in content an AI reads, so it follows the attacker instead of its user.
- TechnologyAI agentAn AI model that acts on its own: it plans steps, uses tools and takes actions, not just answers.
- TechnologyLLM · Large language modelAn AI model trained on huge amounts of text to understand and generate language, such as ChatGPT or Claude.