In 2001, Swordfish arrived in the cinemas, where the unit called "Black Cell" led by Gabriel Shear (John Travolta) used hacking to raise funding against terrorism.
Yesterday, probably a lone hacker has attacked the Etherum network and he was able to pull a decent package from here. Whether he acted alone or is a group, we can only speculate. Or we can leave it to Hollywood screenwriters who will serve us a story with a great deal of drama.
The yesterday's events are excellently described in this article.