Over the holidays Sony threatened Twitter with legal action if they allow users to publish the leaked e-mails Sony calls “stolen”.
A DMCA notice was sent to Twitter demanding that the tweets be taken down because the e-mails were copyrighted. Twitter so far has not done anything about the tweets.
Online media outlets and blogs such as Buzzfeed and Torrentfreak have been publishing leaked information too, and it is possible that Sony is testing the legal waters of stopping the spread of embarrassing information by going after a soft target.
Of course, that has not worked and Twitter has kept the accounts of its users up and running.
It is a moot point if Sony will stop any more embarrassing details from the hack coming to light. After all the US Government could not stop embarrassing information being leaked online via Wikileaks and other news sites.