Tag: Prompt Injection Technique
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Simon Willison’s Weblog: Model Context Protocol has prompt injection security problems
Source URL: https://simonwillison.net/2025/Apr/9/mcp-prompt-injection/#atom-everything Source: Simon Willison’s Weblog Title: Model Context Protocol has prompt injection security problems Feedly Summary: As more people start hacking around with implementations of MCP (the Model Context Protocol, a new standard for making tools available to LLM-powered systems) the security implications of tools built on that protocol are starting to come…
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Simon Willison’s Weblog: ChatGPT Operator: Prompt Injection Exploits & Defenses
Source URL: https://simonwillison.net/2025/Feb/17/chatgpt-operator-prompt-injection/ Source: Simon Willison’s Weblog Title: ChatGPT Operator: Prompt Injection Exploits & Defenses Feedly Summary: ChatGPT Operator: Prompt Injection Exploits & Defenses As expected, Johann Rehberger found some effective indirect prompt injection strategies against OpenAI’s new Operator browser automation agent. Operator tends to ask for confirmation before submitting any information in a form.…