Att Data Breach 2024 Social Security Number Of Employees. At the end of march, at&t disclosed a massive data breach in which a data set of social security numbers, birth dates, at&t account numbers and passcodes, email. Last week’s staggering data breach at national public data put personal data, including the social security numbers, of billions of americans in the hands of cybercriminals.

The data breach affected roughly 7.6 million current at&t accounts and 65.4 million former at&t. In a saturday announcement addressing the data breach, at&t said that a dataset found on the “dark web” contains information including some social security numbers.