A sports producer in Baltimore, Maryland, got a friend request on Facebook from a stranger pretending to be him. The attack quickly spread through the newsroom to Dachilles colleagues, with their own doppelganger Facebook accounts popping up and using their assumed identities to request money. It took weeks for Facebook to take down the cloned accounts before the clones were taken down, but verification is a tricky thing to do, says Ars Technica’s Sean Gallagher. Facebook’s systems are designed to check whether the recipient already has a friend with the same name, along with other factors.”]