Nerval's Lobster writes: Developer and editor Jeff Cogswell decided to poke around the security of Amazon Web Services, and found a potential loophole that could theoretically allow anyone — a developer, an unscrupulous Amazon employee, the NSA — to access and copy data volumes stored on the system, using a slightly modified version of the popular "chntwp" password tool. In this article, he breaks down how he did it, and suggests some ways for those who use cloud-hosting services to keep their data a little more secure in the future. "The key here, of course, is that an unscrupulous employee might be able to make a copy of any existing Windows volume, and go to work on it without the customer ever knowing that it happened," he writes. "Now let’s be clear: I’m not accusing anyone of having done this; in fact, I doubt anybody has, considering I was unable to find a working copy of chntpw until I modified it." It's a security concern, and one that's particularly insidious to patch.
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