Dropbox is being hacked by the NSA. How is that possible? The information you post on the Dropbox servers is not really encrypted. They could change that but so far they didn’t.
I just cancelled my subscription and told the I’d go back as soon as the keep my information safe.
Meanwhile I subsribed to Wuala (by the hard disk manufacturer LaCie). They offer the same service, but from Swizzerland and… ENCRYPTED!
They don’t even know your password (so if you loose it you loose your files). And here is the link to their download page: