who are the Russian criminals thought to be behind cyberattack on NHS?

A Russian cybercriminal group named Qilin is believed to have been responsible for a recent attack on pathology services at various major London hospitals. Hospitals involved include King’s College Hospital and Guy’s and St Thomas’. Qilin, also known as Agenda, is a ransomware gang that has been active since October 2022, and is known for its ‘ransomware as a service’ approach.