What We Know. EquiFax is a credit bureau company that gets it's data from banks, credit card companies, lenders and even retailers. EquiFax discovered the breach on July 29th and says 143 million Americans could be affected.
What Was Leaked. Personal information such as names, social security numbers, birth dates, addresses, and some driver's license numbers was compromised. Also, about 209,000 people's credit card numbers as well as credit report dispute personal information of about 182,000 people was leaked.
What To Do Now. EquiFax is mailing out letters to affected individuals. Additionally there is a link on the EquiFax website where you may enter your last name and the last 6 digits of your social security number to find out if your personal information may have been exposed. Check to see if you've been impacted here. It is also recommended to check your bank and credit card statements regularly. It is also advisable to change any financial account passwords and be on the look out for any suspicious emails.
For more helpful tips, check out this Forbes article.