by Mark Sample, Chronicle of Higher Ed Wired Campus
Like Dropbox, SpiderOak automatically backs up files to the cloud, and those files can be accessed from many other devices. Like Dropbox, SpiderOak works on multiple platforms—Windows, Mac, and Linux, as well as Android and iOS. Like Dropbox, SpiderOak offers a free 2GB version, from which you can upgrade all the way up to 100GB for $100/year ($100/year only gets you 50GB at Dropbox). Despite these similarities, there are several significant differences between Dropbox and SpiderOak. Most relevant here, SpiderOak encrypts the files on your computer before uploading them to the server. That means it’s all but impossible for anybody other than yourself to access readable versions of your data by hacking into SpiderOak. Even SpiderOak itself has no access to your unencrypted files, something SpiderOak calls its “zero knowledge” policy.
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