Anthropic reports prompt injection defense results (Claude for Chrome)
Prompt injection defense results (Claude for Chrome)
Why it matters
About 1% attack success rate against adaptive attacks. Stated explicitly that no browser agent is immune and that it does not claim the problem is solved
Source — Primary sources first; secondary reports are labelled “Press”
Officialanthropic.comhttps://www.anthropic.com/research/prompt-injection-defensesAdded in Week 35, 2026 · See that week