Prompt Injection: What’s the Worst That Can Happen?
This blog post dives into the security vulnerabilities associated with prompt injection in large language models (LLMs) like GPT-3 and GPT-4. Simon Willison explores various aspects of these vulnerabilities:
Key Features:
- Understanding Prompt Injection: Explanation of prompt injection vulnerabilities and how they can affect applications built on LLMs.
- Real-World Examples: Demonstrates classic prompt injection examples, highlighting how attackers could exploit these vulnerabilities.
- Discussion on Risks: Discusses why some cases may not seem harmful while others could lead to significant security breaches, especially when LLMs are integrated with external tools.
- Proposed Mitigations: Suggests ways to mitigate risks, such as making prompts visible to users and involving them in decision-making.
Benefits:
- Awareness: Raises awareness among developers about the potential risks of using LLMs without understanding prompt injection.
- Encouragement for Best Practices: Promotes best practices in developing applications that utilize LLMs to minimize exposure to vulnerabilities.
Highlights:
- The challenges in protecting against prompt injection.
- Insights into indirect prompt injection and its implications.
- Recommendations for developers to ask critical questions regarding prompt injection safety when building LLM applications.

