Microsoft's 'Crazy Huge Hack,' Explained

Filed to:anton ivanov Photo: David Ramos, Getty Images To sign up for our daily newsletter covering the latest news, features and reviews, head HERE. For a running feed of all our stories, follow us on Twitter HERE. Or you can bookmark the Gizmodo Australia homepage to visit whenever you need a news fix. Last week, Microsoft announced that the on-premises version of its widely used email and calendaring product Exchange had several previously undisclosed security flaws. These flaws, the company said, were being used by foreign threat actors to hack into the networks of U.S. businesses and governments, primarily to steal large troves of email data. Since then, the primary question on everybody’s mind has been: Just how bad is this?