{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-25-045035","form_type":"8-K","ticker":"MASI","cik":"0000937556","company_name":"MASIMO CORP","filed_at":"2025-05-06T23:59:59+00:00","discovered_at":"2026-05-14T18:02:51.889875+00:00","generated_at":"2026-05-22T15:59:00.187014+00:00","sec_items":["8.01"],"event_type":"cyber","sentiment":"negative","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"Masimo identifies unauthorized network activity on April 27; manufacturing and shipping operations impacted.","bullets":["Discovered unauthorized activity on on-premise network on April 27, 2025; activated incident response and containment protocols.","Certain manufacturing facilities operating at reduced levels; order processing and shipping temporarily disrupted.","Company believes incident not affecting cloud-based systems; investigation ongoing with third-party experts and law enforcement.","Full scope, nature, and impact not yet known; forward-looking statements cite potential legal, reputational, and financial risks."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-25-045035","json":"https://secwatch.observer/filing/0001104659-25-045035.json","markdown":"https://secwatch.observer/filing/0001104659-25-045035.md","text":"https://secwatch.observer/filing/0001104659-25-045035.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/937556/000110465925045035/0001104659-25-045035-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/937556/000110465925045035/tm2514064d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-22T15:59:00.187014+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"}