Hackers Behind Tumblr Worm Say They Warned Tumblr of Vulnerability Weeks Ago Tumblr has been flooded by a worm that's spamming thousands of user's feeds with an anti-Tumblr rant. In an interview, a spokesman for the group that's apparently behind the hack claims they warned Tumblr weeks ago about the potential exploit but they were ignored. Oh, and they're also waging a "War on Blogs." Today's hac