Italy's cyber-security agency has warned organisations to take action to protect their systems in the face of a large-scale ransomware attack. 

The hacking attack sought to exploit a software vulnerability in VMware ESXi servers, ACN director-general Roberto Baldoni told Reuters. 

Italy's ANSA news agency, citing the ACN, reported that servers had been compromised in other European countries such as France and Finland, as well as in the US and Canada.

In Italy, dozens of organisations were said to be affected, with millions of users being left without internet access and disruptions observed in ATMs. Corriere della Sera, an Italian national newspaper, reported that the attackers demanded 2 Bitcoin - roughly €42,000 (£37,500).

In response to the news, a spokesperson for VMware said the software firm is aware of the report and that it issued patches in February 2021 when it discovered the vulnerability that is now being exploited. The company urged...