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A cyberattack has caused significant disruptions to pharmacy operations at military bases worldwide, affecting the commercial prescription processing system used by the military health system.
The Defense Health Agency announced that military hospitals and clinics would continue pharmacy operations to the best of their abilities, urging patience as prescriptions may take longer to fill. Change Healthcare, a major US prescription processor and victim of the cyberattack, has been working on resolving the issue since its network disruption was first reported.

The attack, believed to have been orchestrated by a nation-state, has led to an outage affecting military pharmacies and retail pharmacies across the US. As a result, military pharmacies have been forced to manually fill prescriptions, prioritizing urgent needs. The Defense Health Agency has communicated through various platforms, including social media, about the challenges faced by facilities in Alaska, Kansas, Oklahoma, and overseas bases like Yokota Air Base in Japan, indicating efforts to maintain service while managing delays.
The impact of the cyberattack extends beyond immediate prescription services, with facilities like the 374th Medical Group at Yokota Air Base noting that there is no estimated timeline for system restoration. Other clinics, including those in Okinawa and Illinois, have also warned of longer service wait times.