With all the breaches that have occurred like Adobe, Target, Home Depot, Linkedin, and Dropbox for example as of late how do you know if your information has been part of them? There is a site called Have I Been Pwned that looks at the leaked data and helps you to identify if your info may have been included. You just enter your email address and it will tell you if it was and in what breach. As always if you shop or deal with a company that you find out was breached change your password and not via an email that tells you to do so. Stay safe on the web.