Encryption
Encryption is potentially on of the best security mechanisms to protect data in the cloud. It is also particularly appealing for handling distributed data and providing the user with a direct degree of control. However, encryption makes a number of steps in the information (data) life-cycle more difficult particularly pre-processing and archival. This thread includes any aspect of encrypting/decripting data for the DfR.
Issues
What level of encryption is needed? In situ? In transit? Internal process to process?