Wired Magazine reports that, for several hours last Thursday night, a bad code update erroneously allowed Facebook users to see exactly which accounts were posting to Facebook pages.
For example, celebrities, politicians, businesses, and blogs often open a Facebook page that “isn’t tied to an individual profile. The accounts behind those pages are anonymous unless a Page owner opts to make the admins public. But a bug that was live from Thursday evening until Friday morning allowed anyone to easily reveal the accounts running a Page, essentially doxing anyone who posted to one.”-- More...