Because that http://www.cbsnews.com/news/56-million-accounts-at-risk-in-home-depot-hack/ a few weeks ago of 56 million wasn't bad enough and it's been a while since we've seen a major financial institution get hacked.
http://www.reuters.com/article/2014/10/03/us-jpmorgan-cybersecurity-idUSKCN0HR23T20141003?irpc=932
Thankfully looks like no important information was taken, but it'll be interesting to see how this unfolds as to how the information was obtained. Expect influx of spam to your email and make sure to check your credit reports for nothing odd.