When Facebook announced at the end of September that it had suffered a data breach that ultimately affected 30 million accounts, it seemed, perhaps, like the work of sophisticated nation state hackers. But a new report from The Wall Street Journal suggests spammers as the culprit instead. That shouldn't make you feel that much better, though, given just how much damage criminals can do with the kind of information stolen from Facebook. It was, after all, a lot.

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