{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-23-233855","form_type":"8-K","ticker":"MGM","cik":"0000789570","company_name":"MGM Resorts International","filed_at":"2023-09-13T23:59:59+00:00","discovered_at":"2026-05-14T18:03:36.656064+00:00","generated_at":"2026-06-10T19:38:37.978287+00:00","sec_items":["7.01","9.01"],"event_type":"cyber","sentiment":"negative","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"medium","headline":"MGM Resorts reports cybersecurity issue; systems shut down, investigation ongoing","bullets":["Cybersecurity issue affecting certain MGM Resorts systems identified on September 12, 2023.","Investigation underway with leading external cybersecurity experts; law enforcement notified.","Company shut down certain systems to protect data and operations.","Investigation ongoing; no disclosure yet on scope or customer data impact.","MGM Resorts implementing measures to secure business operations."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-23-233855","json":"https://secwatch.observer/filing/0001193125-23-233855.json","markdown":"https://secwatch.observer/filing/0001193125-23-233855.md","text":"https://secwatch.observer/filing/0001193125-23-233855.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/789570/000119312523233855/0001193125-23-233855-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/789570/000119312523233855/d502352d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-10T19:38:37.978287+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"}