It was probably in a linked article, but here is their official website to find out if you were one of the compromised humans.
https://www.equifaxsecurity2017.com/
At the top of the page, click the link to enroll in complimentary protection. It will then take you to a page where you enter some data and will get this message:
Based on the information provided, we believe that your personal information may have been impacted by this incident.
Click the button below to continue your enrollment in TrustedID Premier.
ALTHOUGH - before you click ENROLL, you may want to be aware that people who enroll in their "complimentary" service are possibly waiving their right to sue individually or participate in a class action suit. See "terms of service"
https://trustedidpremier.com/static/terms