You use your computer daily, although I bet you rarely, if ever, consider that someone could be spying on you through your built-in camera on a laptop or a standalone camera that connects via USB.

A man in a black hoodie wearing a Guy Fawkes mask sits in a dark room, face lit up forebodingly by his laptop screen. He types furiously, laying down dozens of lines of code. After a few moments go by ...

Hacking — at least the kind where you’re breaking into stuff — is very much a learn-by-doing skill. There’s simply no substitute for getting your hands dirty and just trying something. But that ...