More than 300,000 pieces of private info were posted to Pastebin in 2013.
The hacktivists known as NullCrew first gained notoriety for its high-profile attack on Cambridge University.
The movement shifts from its bluffing phase to open assault.
An unverified document matches claims Hammond himself has made in the past.
The SEA was set to deliver an anti-war message on the New York Times, but its servers couldn't handle the load.
An essay on Pastebin seeks to do what a decade of articles has failed trying.