I'm sure alot of people have heard, but here goes:

Heart Bleed Bug has been found, putting alot of websites at risk, including personal information (such as credit card info etc). I would suggest to change your passwords ASAP, but beyond that, there's not much you can do right now.

If you need any more info:

http://www.theepochtimes.com/n3/611676-heart-bleed-bug-what-you-need-to-know-including-for-yahoo-gmail-facebook/