{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-23-024904","form_type":"8-K","ticker":"MKSI","cik":"0001049502","company_name":"MKS INC","filed_at":"2023-02-06T23:59:59+00:00","discovered_at":"2026-05-14T18:03:43.665264+00:00","generated_at":"2026-06-19T23:44:02.371337+00:00","sec_items":["8.01"],"event_type":"cyber","sentiment":"negative","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"MKS Instruments discloses ransomware incident; temporarily suspends operations at certain facilities","bullets":["On Feb 3, 2023, MKS identified a ransomware event and activated incident response and business continuity protocols.","Incident has affected certain business systems, including production-related systems; company temporarily suspended operations at certain facilities.","Company has engaged incident response professionals and notified law enforcement; investigation and assessment are ongoing.","Full scope of costs and related impacts, including potential cybersecurity insurance offset, has not been determined."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-23-024904","json":"https://secwatch.observer/filing/0001193125-23-024904.json","markdown":"https://secwatch.observer/filing/0001193125-23-024904.md","text":"https://secwatch.observer/filing/0001193125-23-024904.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1049502/000119312523024904/0001193125-23-024904-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1049502/000119312523024904/d420671d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-19T23:44:02.371337+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"}