Cyber security is vital in our modern digital world, but it's not ruled entirely by traditional computing techniques. In fact, it's learning from the natural world -- and something called The Danger Theory could help keep our computers safe.
In fact, The Danger Theory is really quite new itself -- a piece of cutting edge immunology which explains how the human body identifies true infection risk -- but now its being used computationally to help networks identify threats too. Here, Dr Julie Greensmith explains how it works. Brace yourself! [Computerphile]