National Public Data: 2.9B SSN Records for the Price of a Breach
In August 2024, national background-check broker National Public Data confirmed a breach that leaked roughly 2.9 billion rows of personal records — names, addresses, relatives, SSNs — covering plausibly every US adult and parts of the UK and Canada, after a criminal actor first offered the data for sale in April and a third party then dumped 277GB free. This account traces the broker supply chain that assembled the dossier, the class-action lawsuit that forced acknowledgment, and the post-SSN security posture every organization now needs.
