If you spend any time on the internet, you’ve likely created accounts with all kinds of businesses – financial institutions, social media sites, online retailers, travel booking sites, loyalty programs and a host of other web services. That means it’s extremely likely that your login credentials have been swept up in at least one major breach.

There’s a fast and easy way to find out for sure, says Caleb Barlow, president and CEO of CynergisTek, a cybersecurity consulting firm.