Lifehacker: “Breaches are an unfortunate reality of the digital era. Chances are, some of the companies you trust your data to are going to get hacked, and sensitive information stored on those servers is going to leak. If you’ve been online for a long time, that means quite a bit of your data is floating around various corners of the internet. While there isn’t one centralized database for all the stolen credentials on the web, one researcher has compiled quite a large database, that you can check to see if your email address is affected…”