{"schema_version":"secwatch.filing_event.v1","accession":"0000927653-26-000247","form_type":"8-K","ticker":"MCK","cik":"0000927653","company_name":"MCKESSON CORP","filed_at":"2026-08-28T20:05:30+00:00","discovered_at":"2026-08-28T20:08:03.231135+00:00","generated_at":"2026-08-28T20:08:32.638974+00:00","sec_items":["7.01","9.01"],"event_type":"cyber","sentiment":"negative","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"McKesson discloses cybersecurity incident on Aug 25, 2026; investigation early","bullets":["Cybersecurity incident discovered Aug 25, 2026 affecting information systems; investigation in early stages.","Company has not determined incident is material or likely to have material impact on financials or operations.","Updates to be posted on company website at www.mckesson.com/cybersecurity as investigation proceeds."],"urls":{"canonical":"https://secwatch.observer/filing/0000927653-26-000247","json":"https://secwatch.observer/filing/0000927653-26-000247.json","markdown":"https://secwatch.observer/filing/0000927653-26-000247.md","text":"https://secwatch.observer/filing/0000927653-26-000247.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/927653/000092765326000247/0000927653-26-000247-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/927653/000092765326000247/mck-20260825.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-08-28T20:08:32.638974+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}