It is Friday morning, February 17. Our systems are down, email is unavailable and a number of locations can no longer be reached by phone. Pretty soon, we discover on our systems the report that we are the victim of a cyber attack by a ransomware group. By Wiko Vlasblom and Leendert Douma We immediately report it to the police, the Personal Data Authority (AP) and the IGJ, because at that moment we cannot oversee whether the safety of our clients will be at risk. Soon we receive via healthcare cybersecurity expertise center Z-CERT...