One of the world's most prolific cyber crime gangs has been taken down by law enforcement agencies including the FBI, Europol and the UK's National Crime Agency.Lockbit is an extortion website that held its victims' data for ransom - some of the biggest UK bodies affected were the Royal Mail and the NHS.Five Russians have been charged by US authorities and dozens of crypto accounts frozen.On the Sky News Daily, Niall Paterson is joined by science and technology editor Tom Clarke and crime correspondent Martin Brunt to discuss what Lockbit is, Operation Cronos and what this means for other cyber gangs.Senior podcast producer: Annie JoycePromotions Producer: Jada-Kai Meosa JohnEditor: Wendy Parker