Ransomware hunters: the self-taught tech geniuses fighting cybercrime

Hackers are increasingly taking users’ data hostage and demanding huge sums for its release. They have targeted individuals, businesses, vital infrastructure and even hospitals. Authorities have been slow to respond – but there is help out there. By Renee Dudley. Help support our independent journalism at <a href="https://www.theguardian.com/longreadpod">theguardian.com/longreadpod</a>