Information security used to be siege warfare, with companies able to lock their data, applications and infrastructure inside the fortress-like security of their own networks. But today, the war against malicious hackers, data thieves andother security threats is more like guerrilla combat against an increasingly sophisticated and agile enemy.

Over the past three years, the increasing mobility of the workforce and the growing adoption of cloud services have changed the ways companies work. Today, the endpoint is no longer necessarily a PC on a desk inside the corporate network – it could just as easily be a smartphone or tablet owned and managed by the user.