Busy daily practice and clinic schedules, more than 145,000 eye surgeries a year and hardly any time for system updates raised concerns in the Ober Scharrer Group‘s administration about the gro- wing threat of cyberattacks. This was compounded by the Emotet wave of attacks in 2019, which gradually targe- ted healthcare facilities. To mitigate the risk of also becoming the target of a hacking attack, the OSG IT team decided in December 2019 to generally reject all incoming email messages from external sources that contained executable files (Word, Excel) in their attachments. The management agreed that this could not be a long-term approach as it would inhibit legitimate communications and therefore searched for a suitable and qualitative solution. Markus Zimmer - Deputy He

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