chatMED has all main functionalities of well-known messengers and is unique in terms of security: chatMED is 100% encoded and all data are recorded in an auditing-proof way according to GDPR (data protection law in the European Union). chatMED is optimized for usage in clinics. As a communication tool, chatMED enables a safe exchange of preoperative plans and sensible patient data. chatMED is a service of mediCAD GmbH and not a medical device.