Pro Medicus Limited (ASX:PME) shares are currently down around 1% after responding to reports of a data breach.Pro Medicus provides medical imaging and communication systems software and services to hospitals, imaging centres and healthcare groups globally. In 2009 it acquired Visage Imaging and transformed it into a global provider of medical imaging solutions.Response to data breach speculationToday, Pro Medicus responded to speculation overnight about a data breach. This breach impacted its subsidiary Vi ...