Box, Dropbox for Teams, Google Drive for Business, and Microsoft SharePoint or SkyDrive Pro are examples of services that provide similar cloud storage, data syncing and file sharing capabilities, while also giving IT the tools necessary to manage access, enforce policies, and protect the data.
Ultimately, the single biggest factor in choosing a cloud storage and file syncing service is which ecosystem you rely on. Google Drive, Microsoft SkyDrive and Apple iCloud all make perfect sense for users invested in the platforms and tools related to those respective ecosystems.
Amazon Cloud is a solid competitor for all of the above, and the no-brainer choice for users of Kindle Fire tablets, or for avid Amazon customers. However, Amazon Cloud Drive is a consumer-centric service that lacks the oversight IT admins need to control and protect business data.
Amazon provides guidance for businesses that wish to block access to Cloud Drive. It recommends that businesses block DNS resolution for zcd-00.s3.amazonaws.com to prevent access to Cloud Drive, and zcd-01.s3.amazonaws.com to block access to Amazon Cloud Player from corporate networks.
You might not want to count on that solution, though. At least check frequently to ensure that it's still working. That solution will only work as long as those specific URLs are required to access Cloud Drive or Cloud Player, and Amazon notes that the specifications are subject to change at any time.
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