https://www.theguardian.com/technology/2023/nov/24/rhysida-the-new-ransomware-gang-behind-british-library-cyber-attack

Gang thought to be from Russia or CIS has attacked companies and institutions in several countries

A new name was added to the cyber-rogues’ gallery of ransomware gangs this week after a criminal group called Rhysida claimed responsibility for an attack on the British Library.