Mentalfloss:

Regularly changing your online passwords should be as routine as spring cleaning or a dentist appointment (and just as fun), but many people usually don’t get around to it until it’s too late. You won’t want to make that same mistake this time: According to internet security researchers, more than 560 million passwords have been compromised and posted to an online database. The leaks involve email passwords and login credentials for a number of different online services, all of which have been hacked in the past few years.

The leak was first discovered by Kromtech Security Center earlier in the month, and according to Gizmodo, the claim was backed up by Troy Hunt, creator of the site Have I Been Pwned, which helps people find out whether or not any of their online accounts could have been breached. This leak database is hosted on a cloud-based IP from an unknown user that has been nicknamed “Eddie.”

Using the Have I Been Pwned site, I found a number of places where my main email address has been compromised in a data breach.