Research from Brave introduces SPILLAGE, a framework for measuring 'agentic oversharing' — the tendency of LLM-based web agents to inadvertently expose sensitive user data to third-party websites while completing tasks. Testing across Amazon and eBay with 1,080 runs using Browser-Use and AutoGen (backed by GPT-4o, O3, O4-mini)
•7m read time• From brave.com
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The case for Web agentsPrivacy stakes and user expectations in Web agentsPrivacy as disclosure: what and how agents share on the WebOversharing is pervasive and prompt-level mitigation is not enoughPrivacy and utility are not at odds in Web agentsSort: