Link encryption is good, and it's helpful to ensure the only attack vector is the service provider itself, not sub-contractors or someone being stupid and throw

Link encryption is good, and it's helpful to ensure the only attack vector is the service provider itself, not sub-contractors or someone being stupid and throwing away drives. That said, Dropbox has done a pretty good job of lying about how much security they offered users in the past. But someone providing a service like this with a reasonable security policy which is openly communicated to the users is still better than no security policy.