Joe Tidy is the BBC’s first ever cyber correspondent and the foremost voice in the corporation on cybercrime and hacking. Previously he worked for Sky News, where he regularly reported on technology and began his decade-long obsession with cybercrime after reporting on the infamous 2014 Christmas Day Lizard Squad attack.He has travelled to the USA, Russia, Saudi Arabia, Argentina, Germany and Ukraine to track down stories and cyber criminals. His most-watched BBC news documentaries, including The Teenage Millionaire Hacker and The Russian Hackers, have garnered more than seven million views. Ctrl+Alt+Chaos is his first book.