Guide
Use Claude in Chrome safely
Claude Help Center · support.claude.com
Practical advice such as a separate browser profile for agent work, plus which sites Claude will not open.
The question it answers
Read with it
- The clearest explanation of when an agent can be tricked into leaking your data, and the one combination to avoid. simonwillison.net Article The lethal trifecta for AI agents: private data, untrusted content, and external communication Simon Willison
- A worked demonstration of a hidden Reddit comment steering an AI browser into a signed-in email account. brave.com Article Agentic Browser Security: Indirect Prompt Injection in Perplexity Comet Brave (Artem Chaikin and Shivan Kaul Sahib)
- What Claude in Chrome can do on a page, why it now acts without approving every step, and how its checks are tested. claude.com Article Claude in Chrome is generally available Anthropic
- OpenAI's plain-language explainer of prompt injection, likened to phishing, and the layers it uses against it. openai.com Article Understanding prompt injections OpenAI
- Anthropic's research note on how it trains and screens a browsing agent against hidden instructions. anthropic.com Article Mitigating the risk of prompt injections in browser use Anthropic
- Lists what a dot may do alone, what needs your approval each time, and what it must hand back to you, such as moving money. openai.com Article How we build safety, security, and privacy into dots OpenAI
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