Researchers are trying quantum cryptography and other exotic ways to keep your missives safe, but here’s a new one: junk mail. A team of computer scientists from MIT’s CSAIL have devised a system called “Vuvuzela” that adds noise to messages, making them virtually untraceable to the recipient or sender. While it uses nodes like the Tor”dark internet” router, it only requires a few servers and relies more on numerous fake messages to confuse hackers. If scaled up, the technique could give you nearly mathematical certainty that your messages and even metadata are secure.
via Engadget

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