Electronics retail giant MediaMarkt was a victim of a ransomware attack that forced the company to shut down its IT infrastructure to contain the threat and disrupted store operations in the Netherlands and Germany.
Media Markt is a German multinational chain of stores selling consumer electronics with over 1000 stores in Europe.
The attack took place over the weekend, the personnel at the stores was not able to accept credit card payments or print receipts. The sales online were not affected by the security incident.
The company told employees that computers in the stores can no longer be used and asked them to disconnect cash registers from the network and do not restart systems.
Bleeping Computer, citing screenshots posted on Twitter, reported that 3,100 servers were infected with the ransomware.
The company launched an investigation into the incident, at the time of this writing it is not clear which is the ransomware family that hit the company.