"The news organizations were much more similar in the focus of their Twitter activity. The vast majority of the postings promoted the organizations' own work and sent users back to their websites. On the main news feeds studied, fully 93% of the postings over the course of the week offered a link to a news story on the organization's own website."
""This attack was not the work of amateurs, and we do not believe it was an isolated incident. The attackers were extremely sophisticated, and we believe other companies and organizations have also been recently similarly attacked," he wrote."