In today's far-reaching environments, where the numbers and varieties of servers, desktops, laptops, mobile devices and specialized equipment such as point-of-sale (POS) devices, ATMs and self-service kiosks - known collectively as "endpoints" - are growing at unprecedented rates, traditional protection schemes such as firewalls and anti-virus agents are no longer sufficient on their own. With rapidly increasing numbers of remote workers and mobile devices, there is no well-defined perimeter. The perimeter, by necessity, must be the endpoint itself.