Consumer website Comparis faces ransomware attack

Swiss online consumer outlet Comparis has filed a criminal complaint over a ransomware attack on Wednesday that blocked some of its information technology systems.
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“As far as we know, most databases do not seem to be affected by the incident. Unfortunately, first detailed analyses suggest that the perpetrators had access to certain customer-relevant data of sister company Credaris, whose systems are partly operated in the same server environment,” Comparis said.

Credaris is a financial brokerage.

Comparis said its website – which lets consumers compare prices for goods and services – was working normally again, but access via e-mail and customer hotline may be limited as it works with cybersecurity specialists on a complete recovery.

Comparis did not comment on whether the incident was linked to a ransomware attack centred on the Florida information technology firm Kaseya that scrambled the data of hundreds of small businesses worldwide. REvil, a prolific, Russia-linked cybercrime syndicate, took credit for the breach.

Comparis did not pay a ransom to regain functionality, a spokesperson said.