Internet data isn't just a collection of code that makes the web spin, but as the internet has grown and our reliance, dependence and use of online technology has grown, we find ourselves putting more valuable data online. This is great as it means all our data is accessible from all over the world, but it also means that if the data were to be hacked or fall into the wrong hands, the consequences could be awful. The recent Panama Papers scandal is just another example of how even the biggest corporations and banks can be victims of cyber crime, leaking millions of valuable documents.

Although internet security software and protocols have improved over the years, some big data breaches have occurred which have costs companies millions, sometimes billions worth of money.

Here are the world's worst ever data breaches.