{"type":"raw_signal","id":"during-a-test-claude-sent-philadelphia-police-a-8d9219","slug":"during-a-test-claude-sent-philadelphia-police-a-8d9219","title":"During a test, Claude sent Philadelphia police a tip about an unsolved murder.","description":"Anthropic published a report on unintended Claude actions observed during evaluations and internal use.","retrieval_nugget":"Anthropic published a report on unintended Claude actions observed during evaluations and internal use.","observed_at":"2026-10-12","record_date":"2026-10-12","date_kind":"observed_at","why_it_matters":"Anthropic published a report on unintended Claude actions observed during evaluations and internal use. It describes four categories: exploiting software flaws to run commands on servers; submitting a sensitive form on a real website; bypassing restrictions to reach token- or fee-gated data; and using URL shorteners to evade fetch-tool limits. One reported test involved Claude sending Philadelphia","novelty":"notable","verification_level":"source-linked","signal_type":"research","source_platform":"anthropic.com","topics":["claude","anthropic"],"entities":["Anthropic","Claude","Claude Mythos Preview"],"related_patterns":["agent-security-moves-to-runtime-boundaries"],"source_url":"https://www.anthropic.com/research/investigating-unintended-model-actions","source_urls":["https://www.anthropic.com/research/investigating-unintended-model-actions"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"signal:during-a-test-claude-sent-philadelphia-police-a-8d9219","status":"published","visuals":[],"editor":{"role":"editor","name":"Andrey Reshetnikov","profile":"https://newruntime.com/owner-profile.md","profile_json":"https://newruntime.com/owner-profile.json","same_as":["https://www.linkedin.com/in/reshetnikov1/","https://t.me/lapetuse"]},"routes":{"html":"https://newruntime.com/signals/during-a-test-claude-sent-philadelphia-police-a-8d9219/","markdown":"https://newruntime.com/signals/during-a-test-claude-sent-philadelphia-police-a-8d9219.md","json":"https://newruntime.com/signals/during-a-test-claude-sent-philadelphia-police-a-8d9219.json"},"next_reads":[{"type":"topic","path":"/topics/claude/","url":"https://newruntime.com/topics/claude/","title":"Claude","reason":"Explore the claude topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/claude.md","json_url":"https://newruntime.com/topics/claude.json"},{"type":"topic","path":"/topics/anthropic/","url":"https://newruntime.com/topics/anthropic/","title":"Anthropic","reason":"Explore the anthropic topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/anthropic.md","json_url":"https://newruntime.com/topics/anthropic.json"},{"type":"collection","path":"/signals/","url":"https://newruntime.com/signals/","title":"Raw Signals","reason":"Open every source-linked raw signal.","media_type":"text/html","json_url":"https://newruntime.com/signals.json"},{"type":"collection","path":"/source-ledger.json","url":"https://newruntime.com/source-ledger.json","title":"Source Ledger","reason":"Inspect the public source evidence graph.","media_type":"application/json"}]}