{"id":"clm_9B846A36DC66","entity":"claude","predicate":"incident","value":"Three cybersecurity evaluation incidents","value_json":{"feed":"anthropic-news","item":"https://www.anthropic.com/news/investigating-incidents-cybersecurity-evals","check":{"on":"2026-10-31","url":"https://www.anthropic.com/news/investigating-incidents-cybersecurity-evals","pages":1,"quote":"In a review of our cybersecurity evaluation transcripts, we found three incidents in which a Claude model reached the internet from within or while interacting with a third-party evaluation environment, and then gained unauthorized access to the real systems of three different organizations.","outcome":"checked"},"evidence":"We found three cases where a Claude model reached the internet from an evaluation environment and accessed real systems. We share what happened and what we're changing.","extracted_by":"claude-haiku-5-5","primary_source":true},"valid_from":"2026-07-30","valid_to":null,"published":"2026-07-30","recorded":"2026-10-29","confidence":0.7,"status":"valid","assertable":true,"superseded_by":null,"supersedes":[],"first_seen_at":"2026-10-29T03:46:26.511731+00:00","updated_at":"2026-10-31T03:52:09.939321+00:00","sources":[{"url":"https://www.anthropic.com/news/investigating-incidents-cybersecurity-evals","tier":"primary","publisher":"Anthropic","published_at":"2026-07-30T00:00:00+00:00"}],"evidence":{"by":"page-read","on":"2026-10-31","quote":"In a review of our cybersecurity evaluation transcripts, we found three incidents in which a Claude model reached the internet from within or while interacting with a third-party evaluation environment, and then gained unauthorized access to the real systems of three different organizations.","url":"https://www.anthropic.com/news/investigating-incidents-cybersecurity-evals","excerpt":"We found three cases where a Claude model reached the internet from an evaluation environment and accessed real systems. We share what happened and what we're changing."},"legend":{"dates":"valid_from: when the claim took effect (a period figure: the day its period closed). published: the earliest day a source on the record published it (a filing's filing date, a post's date; null when no source carries one). recorded: the day AsOf first held it. A figure can take effect weeks before it is published.","why_not":{},"checked_by":{"page-read":"its source page states the value and the date"}}}