If the future is heading toward "cloud computing," where most of your data lives on someone else's server, can you trust the cloud to keep a secret? Researchers say they've found a way to guarantee that your information will be secure in the cloud, using quantum entanglement.
The technique is called blind quantum computing, and it adds one more piece to a puzzle that could eventually be assembled into an entirely new infrastructure for data processing. Theoretically, quantum computers could outdo classical computers when it comes to making weather predictions, simulating biological processes, analyzing chemical reactions and, not incidentally, deciphering secret codes. Data security could become an even bigger issue than it is today.
Today, most of your computing power probably resides on the device you're using, whether it's a desktop or a smartphone. If you send secure data someplace else, those bits are probably encrypted using classical mathematical techniques. They're tough codes to break, but they're not unbreakable. In fact, computer scientists say quantum computers might be well-suited for cracking today's classical codes.
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