{"event":{"id":"evt-hist-20260924-google-pagebreak-publication","dedupe_key":"security_research_publication:2026-09-24:google-publishes-pagebreak-agentic-security-validation-research","event_type":"security_research_publication","title":"Google publishes PageBreak agentic security validation research","summary":"Google reported the PageBreak internal vulnerability-testing agent in its September 24 publication; pilot started November 2025 and matured January 2026. Google's claims of more than 500 XSS findings are not an independent audit. September 24 is publication, not product inception.","occurred_at":"2026-09-24T00:00:00.000Z","published_at":"2026-09-24T00:00:00.000Z","observed_at":"2026-10-18T05:09:00.000Z","reconstructed_at":"2026-10-18T05:09:00.000Z","ingest_type":"historical_backfill","locations":null,"status":"verified","confidence":0.92,"metadata":{"date_precision":"day","external_postcutoff_id":"2026-09-24-google-pagebreak-ai-xss-hunter","canonical_search_exhaustive":0,"independent_outcomes_unproven":1,"no_production_writes":1,"publication_milestone_only":1},"created_at":"2026-10-18T05:49:15.114Z","updated_at":"2026-10-18T05:49:15.114Z"},"artifacts":[{"id":"art-hist-20260924-google-pagebreak-publication","dedupe_key":"3b3bfbda91332afd0507c6b790a9ad3f4270d72f0b7f27d51ddc092b87f83fa6","canonical_url":"https://blog.google/security/agentic-hacks-real-proofs-inside-googles-pagebreak-project/","evidence_locator":"","artifact_type":"original_primary_publication","title":"Google publishes PageBreak agentic security validation research","summary":"","creator_entities":[],"released_at":"2026-09-24T00:00:00.000Z","content_hash":null,"metadata":[],"created_at":"2026-10-18T05:49:15.114Z","updated_at":"2026-10-18T05:49:15.114Z","relation":"documented_by"}],"signals":[]}