DrobBox the cloud-based hard drive service with unlimited storage (for a price) offering convenient synchronization between all your devices. You get started with few free gigabytes to get you going and few extra gigabytes when you sign up a friend. It has quickly become the nightmare of IT departments around the world. The zero-barriers entry, ease of use, and ease of sharing files with colleagues, customers and friends makes DropBox the new Trojan horse of IT. Once again, IT managers…