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by grg994 377 days ago
A reasonable cloud storage provider stores your data encrypted on disk. Certain standards like HIPPA mandates this.

Deletion of data is achieved by permanently discarding the encryption key which is stored and managed elsewhere where secure erasure can be guaranteed.

If implemented honestly, this procedure WORKS and cloud storage is secure. Yes the emphasis is on the "implemented honestly" part but do not generalize cloud storage as inherently insecure.