Smartimage uses Amazon Web Services Simple Storage Service (Amazon S3) for cloud storage, which provides the same highly scalable, reliable, fast data storage infrastructure that Amazon uses to run its own global network of websites. The service was designed for 99.99% availability and 99.9999999999% durability.

Learn more about Amazon S3 at http://aws.amazon.com/s3/faqs/ and security at http://aws.amazon.com/security/.