The company says it is working to restore Change healthcare systems by mid March

UnitedHealth working to restore Change Healthcare systems by mid-March, company says. UnitedHealth says systems will be back in service by March 15. Change Healthcare will be restored to the U.S. system by March 17, company said. UnitedHN says it's working to work with the company to restore systems by March 14.

UnitedHealth working to restore Change Healthcare systems by mid March, company says. UnitedHealth says systems will be back in service by mid-March. Company hopes to restore systems by end of March. Company says system will be fully operational by April 15. Company: Change Healthcare will be restored by March 15, 2018.

UnitedHealth subsidiary Change Healthcare down for fourth day following cyberattack. Change Healthcare's systems are down for the fourth day in a row. Parent company UnitedHealth disclosed suspected cyberattack on Change Healthcare. UnitedHealth's systems down for a fourth day after parent company disclosed suspected attack.