Microsoft reveals how hackers stole its email signing key… kind of

A series of unfortunate and cascading mistakes allowed a China-backed hacking group to steal one of the keys to Microsoft’s email kingdom that granted near unfettered access to U.S. government inboxes. Microsoft explained in a long-awaited blog post this week how the hackers pulled off the heist. But while one mystery was solved, several important […] Originally published at techcrunch.com