Dedicated Instances are Amazon EC2 instances launched within your Amazon Virtual Private Cloud (Amazon VPC) that run hardware dedicated to a single customer.

Of course, the humor here is that Amazon didn’t explain which hardware it was referring to. If you compare it to an enterprise server in a private data center, it’s clearly less secure (unless you applied cloud specific security and encryption tools perhaps). But if you compare it to existing hosting offering, it’s no less secure than enterprise grade hosting has been for a decade.