secwatch.observer — SEC 8-K summary ====================================== Issuer: UNITEDHEALTH GROUP INC (UNH) CIK: 0000731766 Form: 8-K Filed at: 2024-02-22T23:59:59+00:00 Accession: 0000731766-24-000045 Event type: cyber Sentiment: negative Materiality: 0.70 Item codes: 1.05 LLM model: deepseek-v4-flash:cloud@v2 UnitedHealth reports cyber breach at Change Healthcare by suspected nation-state actor -------------------------------------------------------------------------------- - Suspected nation-state threat actor gained access to Change Healthcare IT systems on Feb 21, 2024. - Company isolated impacted systems; working with law enforcement and leading security experts. - Network interruption specific to Change Healthcare; all other company systems operational. - Cannot estimate duration or extent of disruption; updates at status.changehealthcare.com. - As of filing, company has not determined incident is reasonably likely to materially impact financials. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/731766/000073176624000045/0000731766-24-000045-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/731766/000073176624000045/unh-20240221.htm HTML page: https://secwatch.observer/filing/0000731766-24-000045 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer