According to a friend who works at Chase, this article (or another one like it) was retracted.
At the end of the article. Not really a retraction, just saying it is not a new breach
“Correction: October 2, 2014
An earlier version of the headline with this article misstated the extent of the cybersecurity issues at JPMorgan Chase. While the bank found evidence of previously unknown hacking, it says the latest discovery does not constitute a breach separate from an earlier one.”