Tag: Johann Rehberger
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Slashdot: New Hack Uses Prompt Injection To Corrupt Gemini’s Long-Term Memory
Source URL: https://it.slashdot.org/story/25/02/12/0011205/new-hack-uses-prompt-injection-to-corrupt-geminis-long-term-memory?utm_source=rss1.0mainlinkanon&utm_medium=feed Source: Slashdot Title: New Hack Uses Prompt Injection To Corrupt Gemini’s Long-Term Memory Feedly Summary: AI Summary and Description: Yes Summary: The text discusses a newly demonstrated attack by researcher Johann Rehberger that compromises Google’s Gemini chatbot by manipulating its long-term memory functionality through untrusted document summarization. The attack bypasses existing prompt…
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Simon Willison’s Weblog: ChatGPT Operator system prompt
Source URL: https://simonwillison.net/2025/Jan/26/chatgpt-operator-system-prompt/#atom-everything Source: Simon Willison’s Weblog Title: ChatGPT Operator system prompt Feedly Summary: ChatGPT Operator system prompt Johann Rehberger snagged a copy of the ChatGPT Operator system prompt. As usual, the system prompt doubles as better written documentation than any of the official sources. It asks users for confirmation a lot: ## Confirmations Ask…
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Simon Willison’s Weblog: Quoting Johann Rehberger
Source URL: https://simonwillison.net/2024/Dec/17/johann-rehberger/ Source: Simon Willison’s Weblog Title: Quoting Johann Rehberger Feedly Summary: Happy to share that Anthropic fixed a data leakage issue in the iOS app of Claude that I responsibly disclosed. 🙌 👉 Image URL rendering as avenue to leak data in LLM apps often exists in mobile apps as well — typically…
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Simon Willison’s Weblog: Security ProbLLMs in xAI’s Grok: A Deep Dive
Source URL: https://simonwillison.net/2024/Dec/16/security-probllms-in-xais-grok/#atom-everything Source: Simon Willison’s Weblog Title: Security ProbLLMs in xAI’s Grok: A Deep Dive Feedly Summary: Security ProbLLMs in xAI’s Grok: A Deep Dive Adding xAI to the growing list of AI labs that shipped feature vulnerable to data exfiltration prompt injection attacks, but with the unfortunate addendum that they don’t seem to…