Exposed in this breach? Do this now
Change the password
On the breached site and everywhere else you reused it. Make every password unique.
Enable 2FA
A second factor keeps a leaked password from becoming a hijacked account.
Set up monitoring
and get notified the moment your data appears in a new leak.
National Public Data breach: questions and answers
When did the National Public Data data breach happen?
The National Public Data breach dates to April 2024.
How many records were leaked in the National Public Data breach?
LeakCheck has indexed 708,882,970 records from the National Public Data breach.
What data was exposed in the National Public Data breach?
The leaked records include email addresses, names, phone numbers, physical addresses, geographic locations and social security numbers.
Were passwords exposed in the National Public Data breach?
No. The records indexed from National Public Data do not include passwords — but the other details they hold can still be used for phishing.
Is the National Public Data breach verified?
Not fully. The origin of this dataset has not been confirmed, so LeakCheck lists it with an “unverified” flag.
How do I check if my data was in the National Public Data breach?
Enter your email address, username or phone number in the search form on this page. The free check shows whether your data appears in the National Public Data breach — and in any of the other 1,468 sources LeakCheck indexes.
What should I do if my data was in the National Public Data breach?
Change the password you used on National Public Data and everywhere you reused it, turn on two-factor authentication, and watch for phishing that quotes details from the leak. To hear about the next breach first, set up breach monitoring.