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

A group of Russian cybercriminals named Qilin is thought to be behind a major cyberattack on several London hospitals, according to former National Cyber Security Centre CEO, Ciaran Martin. The attack resulted in the cancellation of procedures and operations. Qilin, who take a cut from hackers using their services, has previously targeted companies globally, including Robert Bernard and Dialog. This incident is part of a rising trend in Qilin’s activity, with more than 50 hacks claimed in the last four months.