It wasn’t that long ago that a device was a piece of equipment developed to do one thing – cameras took photographs, telephones made calls, word processors were for writing. But technology became cheaper and smaller, and we’re now watching the unprecedented integration of photographic, telephony, ecommerce, and other data driven technology and content into single devices. It’s hard to imagine today’s devices completing only a single function.
Security software is not immune to technological progress and has been evolving in much the same way. Old software cannot keep up with rapidly changing online attacks and exploits.