The LaCie Cloudbox and Seagate Central drives, for instance, act like regular NAS drives but provide remote access through Web-based dashboards. There are no public servers involved at all. ![]() That's not the case with network-attached storage (NAS) servers these external hard drives connect to your home Wi-Fi network and act as servers, storing files locally and transmitting them when you connect remotely. When you upload a file from one computer to Dropbox and then access it from a mobile phone, the file comes to you from Dropbox's cloud, not directly from your computer. Others are simply encrypted public-cloud services that promise better security than, say, Microsoft's Skydrive or Apple's iCloud. Some services provide physical servers that you keep at home to build "personal clouds" of data that bypass the giant servers, such as those run by Dropbox and Google. More of these are popping up, offering remote file access without the fear of pesky snooping. That's a boon for secure file-storage services. ![]() The public cloud, where people collectively store more than one exabyte of data, is more public than we thought. But thanks to the news about PRISM, that situation has been turned inside out: Instead of worrying that some data are compromised sometimes, we know for certain that vast amounts of private data are vulnerable all the time. Editor's Note: This story was originally published on August 13, 2013.īefore Edward Snowden came along, it was easier to upload files to the cloud with abandon, ignoring the security risks.
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