Source register · Jul 22, 2026
UnitedHealth Group (Change Healthcare) media coverage
16 qualifying articles recovered in the first 14 days after disclosure across 5 of seven publisher families.
This site shows how share prices moved after an incident became public. It does not prove that the incident caused the move. Company news, sector moves and the wider market can affect every result. Educational only — not investment advice.
Article-level evidence
What was counted
Every row passed the explicit-company-name, publisher-family and 14-day-window rules. Recorded titles may be normalized from a durable URL or research ledger when the publisher page is blocked or no longer exposes its original metadata.
| # | Publisher family | Window | Date evidence | Framing | Recorded article title | Source |
|---|---|---|---|---|---|---|
| 1 | Bloomberg | First 48 hours | Feb 22, 2024 | Adverse event | Unitedhealth cyberattack disrupts medical data exchange network | Publisher page: Unitedhealth cyberattack disrupts medical data exchange network |
| 2 | Reuters | First 48 hours | Feb 22, 2024 | Adverse event | Change Healthcare network hit by cybersecurity attack | Publisher page: Change Healthcare network hit by cybersecurity attack |
| 3 | CNBC | Days 4–7 | Feb 27, 2024 | Adverse event | Outages from cyberattack at UnitedHealth's Change Healthcare extend to seventh day as pharmacies deploy workarounds | Publisher page: Outages from cyberattack at UnitedHealth's Change Healthcare extend to seventh day as pharmacies deploy workarounds |
| 4 | CNBC | Days 4–7 | Feb 24, 2024 | Adverse event | UnitedHealth subsidiary Change Healthcare down for a fourth day following cyberattack | Publisher page: UnitedHealth subsidiary Change Healthcare down for a fourth day following cyberattack |
| 5 | Reuters | Days 4–7 | Feb 26, 2024 | Adverse event | U.S. pharmacy outage triggered by 'Blackcat' ransomware at UnitedHealth unit, sources say | Archive copy: U.S. pharmacy outage triggered by 'Blackcat' ransomware at UnitedHealth unit, sources say |
| 6 | Bloomberg | Days 8–14 | Feb 28, 2024 | Adverse event | Fallout from change healthcare hack still roiling health care | Publisher page: Fallout from change healthcare hack still roiling health care |
| 7 | Bloomberg | Days 8–14 | Mar 1, 2024 | Adverse event | Unitedhealth hack putting the squeeze on smaller pharmacies | Publisher page: Unitedhealth hack putting the squeeze on smaller pharmacies |
| 8 | Bloomberg | Days 8–14 | Mar 5, 2024 | Adverse event | Unitedhealth unit hack muddies humana s view of care expenses | Publisher page: Unitedhealth unit hack muddies humana s view of care expenses |
| 9 | CNBC | Days 8–14 | Mar 1, 2024 | Mitigation or action | Change Healthcare sets up new electronic prescription service, funding program as cyberattack drags | Publisher page: Change Healthcare sets up new electronic prescription service, funding program as cyberattack drags |
| 10 | CNBC | Days 8–14 | Feb 29, 2024 | Adverse event | Outages from Change Healthcare cyberattack causing financial 'mess' for doctors | Publisher page: Outages from Change Healthcare cyberattack causing financial 'mess' for doctors |
| 11 | Fox | Days 8–14 | Feb 29, 2024 | Mitigation or action | Hackers behind UnitedHealth Group cyberattack reportedly identified | Publisher page: Hackers behind UnitedHealth Group cyberattack reportedly identified |
| 12 | Reuters | Days 8–14 | Mar 5, 2024 | Adverse event | ‘Exit scam’: hackers that hit UnitedHealth pull disappearing act | Archive copy: ‘Exit scam’: hackers that hit UnitedHealth pull disappearing act |
| 13 | Reuters | Days 8–14 | Mar 5, 2024 | Mitigation or action | Hacker forum post claims UnitedHealth paid $22 million ransom in bid to recover data | Publisher page: Hacker forum post claims UnitedHealth paid $22 million ransom in bid to recover data |
| 14 | Reuters | Days 8–14 | Feb 28, 2024 | Adverse event | UnitedHealth hackers say they stole 'millions' of records, then delete statement | Publisher page: UnitedHealth hackers say they stole 'millions' of records, then delete statement |
| 15 | Reuters | Days 8–14 | Feb 29, 2024 | Descriptive | UnitedHealth says 'Blackcat' ransomware group behind hack at tech unit | Publisher page: UnitedHealth says 'Blackcat' ransomware group behind hack at tech unit |
| 16 | The Washington Post | Days 8–14 | Mar 5, 2024 | Mitigation or action | Officials rush to help hospitals, doctors affected by Change Healthcare hack | Publisher page: Officials rush to help hospitals, doctors affected by Change Healthcare hack |
Framing is local to the headline. Descriptive, adverse-event, mitigation/action and favorable labels do not measure reader sentiment, publisher stance, blame or reputational impact.