If you're worried about the security of your data, use a secure backup service.
If your backup service provider can read your files and you don't trust him to not do that after you're no longer a customer, why did you trust him to not do that while you were a customer?
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If you're worried about the security of your data, use a secure backup service.
If your backup service provider can read your files and you don't trust him to not do that after you're no longer a customer, why did you trust him to not do that while you were a customer?