Alleged NSA Hacking Group Releases Files, Shuts Down

A hacking group that claims to have obtained cyberweapons from the U.S. National Security Agency said it is ceasing operations but also released a fresh batch of files linked to online attacks. The moves by the group, which calls itself the Shadow Brokers, are the latest chapter in a bizarre story that has played out largely in the background of a battle between the U.S. and Russia over claims that state-sponsored Russian hackers attempted to influence the 2016 presidential election.