Among the complications: traditional security tools work poorly or not at all in the cloud, and if a company screws up, the whole Internet will know.

Some people dread moving. Understandable. Others, however, get a real charge from the opportunity to purge, scale down, and take only what they need.

As the digital landscape changes, organizations are doing some purging of their own as they move to the cloud. But that transition isn't as easy as packing up dishes and linens, putting boxes on a truck, and heading off to a new destination.

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