If your email address or phone number has been found in one of MANY large data breaches, you can discover all of the ways that your data may have been compromised by going to haveibeenpwned.com. Along with the information about your specific email address being included you can find out if other personal information was a part of each breach. If you find out you were part of a breach, be sure to change your password on those sites to something stronger and/or enable multi-factor authentication!