Was Tumblr hacked in order to do drive-by malware installs? (tumblr.com)
Now everyone who clicks is potentially at risk.TNW Article: http://thenextweb.com/insider/2012/12/03/a-worm-is-hijacking...
https://dl.dropbox.com/u/58607934/Screen%20Shot%202012-12-03...
It has nailed a number of major accounts, including The Verge, USA Today, Reuters and The Daily Dot.
Buzzfeed has tips on how to keep safe: http://www.buzzfeed.com/ryanhatesthis/hacker-group-exploits-...
Update: The GNAA says that the hack was part of an anti-blogging campaign.
> This was just another part of our "anti-blogging" campaign. GNAA's stance on blogging in general has always been a negative one: in short, blogging is lowering journalistic standards to the point where the number of friends a murderer has on Facebook has become news.
http://www.guardian.co.uk/technology/2012/dec/03/tumblr-cybe...
tl;dr: if you have a Tumblr account (and an active session), delete your cookies before opening any *.tumblr.com site.
Tumblr engineers have resolved the issue of the viral post attack that affected a few thousand Tumblr blogs. Thanks for your patience.
Script kiddies found a small crack and went for it.
Also, whether or not it cost the business money has nothing to do with the quality of the break-in.