The website LastPass.com is now offering a service to tell you if a site is no longer affected by Heartbleed.
BEFORE you change your password, check that it is no longer affected on this website
Here are a list of major sites that are now clear that you should change your password on ASAP:
The following sites status’ are unknown according to the website
- Pretty much every bank
If you are curious How Heartbleed Works then you might be interested in this post. It will help you understand why this is so dangerous.